Gregory W.
Gregory W. Auner, Livonia, MI US
Patent application number | Description | Published |
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20090142936 | METHOD OF FORMING GATED, SELF-ALIGNED MICRO-STRUCTURES AND NANO-STRUCTURES - Methods of forming a gated, self-aligned nano-structures for electron extraction are disclosed. One method of forming the nano-structure comprises irradiating a first surface of a thermally conductive laminate to melt an area across the first surface of the laminate. The laminate comprises a thermally conductive film and a patterned layer disposed on the first surface of the film. The patterned layer has a pattern formed therethrough, defining the area for melting. The film is insulated at a second surface thereof to provide two-dimensional heat transfer laterally in plane of the film. The liquid density of the film is greater than the solid density thereof. The method further comprises cooling the area inwardly from the periphery thereof to form the nano-structure having an apical nano-tip for electron emission centered in an electrically isolated aperture that serves as a gate electrode to control electron extraction in a gated field emitter device. | 06-04-2009 |
20090173700 | DEVICE AND METHOD OF SEPARATING AND CONCENTRATING MICROFLUIDIC PARTICLES - A flow unit for microfluidic particles separation and concentration is disclosed. The unit comprises a nozzle segment, a turn segment, and a diffuser segment. The nozzle segment is defined by a first member and a second member, and has an opening through which fluid and microfluidic particles enter. The nozzle segment has a narrowing portion at which the first and second members narrow from the opening to increase momentum of the fluid therethrough. The turn segment is defined by the first member flaring outwardly downstream from the narrowing portion to change flow direction of the fluid consistent with the first member. The diffuser segment is defined by the second member extending past the turn segment to facilitate separation of the microfluidic particles from the fluid due to the inability to follow the fluid flow. | 07-09-2009 |
20090188576 | CHECK VALVE DIAPHRAGM MICROPUMP - A micropump device including a first wafer and a second wafer attached to the first wafer. The first and second wafers are configured to define a chamber therebetween having a predetermined volume. A third wafer is attached to the second wafer to define an inlet section and an outlet section in fluid communication with the chamber. At least one of the second and third wafers are formed to define a moveable diaphragm configured to change the predetermined volume of the chamber for pumping a fluid between the inlet section and the outlet section. | 07-30-2009 |
20090283777 | MULTIFACED MICRODEVICE SYSTEM ARRAY - A multisurfaced microdevice system array is produced from a wafer formed of semiconductor substrate material. Sensing, controlling and actuating microdevices are fabricated at specific location on both sides of the wafer, and the wafer is diced. Each die thus created is then formed into a multisurfaced, multifaced structure having outer and inner faces. The multifaced structure and the microdevices form a standardized microdevice system, and cooperatively combined microdevice systems form a microdevice system array. Communication of energy and data to and between microdevices on each and other microdevice systems of the microdevice system array is provided by energy transferring devices including electric conductors for transferring electric energy, ultrasound emitters and receivers for transferring acoustic energy, and electromagnetic energy emitters and receivers for transferring electromagnetic energy. | 11-19-2009 |
20100043881 | TITANIUM DIOXIDE THIN FILM SYSTEMS AND METHOD OF MAKING SAME - A method for producing a thin film titanium dioxide is disclosed. The disclosed method for producing the thin film titanium dioxide includes performing a magnetron reactive sputtering process to vaporize at least portions of a titanium source in a sputtering chamber that is supplied with gaseous oxygen. The vaporized titanium reacts with the oxygen to form anatase titanium dioxide, which is deposited on a substrate within the sputtering chamber. | 02-25-2010 |
20130263449 | CHECK VALVE DIAPHRAGM MICROPUMP - A micropump device including a first wafer and a second wafer attached to the first wafer. The first and second wafers are configured to define a chamber therebetween having a predetermined volume. A third wafer is attached to the second wafer to define an inlet section and an outlet section in fluid communication with the chamber. At least one of the second and third wafers are formed to define a moveable diaphragm configured to change the predetermined volume of the chamber for pumping a fluid between the inlet section and the outlet section. | 10-10-2013 |
20150085284 | STATIC INTERFEROMETER WITH STEP-STYLE REFLECTIVE ELEMENT - An apparatus for performing Raman spectral analysis of a sample is described, comprising a coherent light source, an first optical chain to direct the coherent light to impinge on the sample, a second optical chain to direct the scattered light onto a diffraction grating, and a third optical chain to direct the diffracted light onto detection array. The diffraction grating is a stairstep with a metalized surface, and a plurality of metalized stripes on a flat surface is disposed in a direction orthogonal to the long dimension of the stairsteps. The region between the flat surface and the stairstep is transparent. The zeroth-order fringe is selected by a slit and directed onto camera. The resultant interferogram is Fourier transformed to produce a representation of the Raman spectrum. | 03-26-2015 |
Gregory W. Bedson, Scottsdale, AZ US
Patent application number | Description | Published |
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20100221144 | AIR FRESHENER KIT - The present invention comprises a kit for assembling a passive air freshener comprising fragranced sail crystals. In the preferred form, the kit minimally comprises: 1) a package containing a plurality of fragranced salt crystals; 2) a container with an opening for placing said crystals therein, said container defining an enclosed space having a height/width ratio of from about 0.5 to about 3; and, 3) a carton for containing both the package of crystals and the container, where the carton preferably has a viewing window that displays at least the decorative aspects of the container design to potential purchasers. The kit may also include instructional literature and optional lighting source. | 09-02-2010 |
Gregory W. Bobeczko, Geneva, IL US
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20130003272 | TOUCH SENSOR MECHANICAL INTERFACE - A mechanical interface for a touch sensor includes a housing for the sensor, a triggering member for triggering the sensor, and biasing means for biasing the triggering member away from the sensor. Application to the triggering member of a predetermined force overcoming the biasing force causes the triggering member to move toward and into an electric field generated about the sensor, thereby triggering the sensor. | 01-03-2013 |
Gregory W. Bores, Prior Lake, MN US
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20080302700 | TRANSPORT MODULE - A front-opening wafer transport module has a container portion with transparent shell and a central support structure which includes a machine interface exposed at the bottom of the module and integral wafer support columns extending upwardly in the container portion for supporting wafers. Additionally, the side walls of the shell have recessed portions with engagement members that cooperate with engagement members on removable handles. The handles utilize detents to lock into place in the recesses on the side walls of the carrier. Attachment of the handles to the side walls is accomplished without breaks between the interior and exterior of the module and without separate fastners. | 12-11-2008 |
Gregory W. Broburg, Minneapolis, MN US
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20080254345 | BATTERY AND FLUID REGULATING SYSTEM HAVING CHASSIS WITH MOLDED ELECTRONICS - A fluid consuming battery ( | 10-16-2008 |
Gregory W. Burneske, Mankato, MN US
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20090015399 | Tracking System And Methods Thereof - The present invention relates generally to tracking systems and methods for monitoring the location of an asset or group of assets. In particular, the present invention provides systems for monitoring the location of a large group of assets. Furthermore, the present invention provides systems and methods for identifying an asset within a group of assets. | 01-15-2009 |
Gregory W. Byrne, Jr., West Linn, OR US
Patent application number | Description | Published |
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20120305492 | RUNOFF COLLECTION SYSTEM WITH FIRST FLUSH CONTROL AND PRETREATMENT - A rainwater collection system is described which includes generally a rainwater routing system and a collection unit. The rainwater routing system may comprise a first flush diversion unit designed to discharge to a run-off path, an initial amount of rainwater such that initial particulate matter from rooftops, etc., are not collected. The rainwater routing system may comprise a pre-treatment unit, the pre-treatment unit designed to remove particulate matter from the rainwater. The collection unit of the rainwater collection system comprises a storage tank having an internal day tank compartment. The described rainwater collection system allows for the collection of rainwater with a substantially reduced amount of particulate matter. | 12-06-2012 |
20130240070 | HELICALLY WOUND METAL PIPE WITH SEALING ARRANGEMENT - A pipe includes a tubular pipe formed of a metal sheet that is spirally wound such that opposite edges of the metal sheet are joined by a crimped lock seam that extends helically along a length of the tubular pipe. A sealing arrangement includes a helically extending worked surface band extending along the crimped lock seam and to both sides of the crimped lock seam, the worked surface band having a surface roughness that is greater than a surface roughness of unworked surface portions outside of the worked surface band. A helically extending external coating band is applied over the crimped lock seam and bonded to the worked surface band. | 09-19-2013 |
Gregory W. Byrne, Jr., Tualatin, OR US
Patent application number | Description | Published |
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20080277326 | Pre-Assembled Flow Control Structure and Related Media Filtration System - A stormwater filtration system includes a stormwater containment structure including a concrete floor and a pre-assembled flow structure embedded in the concrete floor. The pre-assembled flow structure includes an inlet compartment housing, an outlet compartment housing and at least one filter conduit positioned between the inlet compartment housing and the outlet compartment housing and in flow communication with the interior of the outlet compartment housing. At least one bypass conduit extends from the inlet compartment housing to the outlet compartment housing for delivering water from the interior of the inlet compartment housing to the interior of the outlet compartment housing. A plurality of filter units are connected to the filter conduit so that stormwater filtered by the filter units passes into the filter conduit and then to the interior of the outlet compartment housing. | 11-13-2008 |
20080277327 | Stormwater Filter Assembly - A filter assembly for use in filtering stormwater includes a bottom including a boss that includes a rib extending laterally along an inner surface of the boss. The rib includes a locking portion that mates with a corresponding locking portion on a peripheral surface of a connection to an outlet conduit for securing the bottom to the connection thereby inhibiting rotation of the bottom relative to the outlet conduit. A center tube is secured to the bottom using a locking mechanism that inhibits relative movement between the bottom and the center tube. The center tube is in communication with an opening in the bottom and a hood is secured to the center tube. A filter medium is located between the hood and the center tube. | 11-13-2008 |
Gregory W. Dachs, Ii, San Mateo, CA US
Patent application number | Description | Published |
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20130110129 | Surgical Instrument Motor Pack Latch | 05-02-2013 |
20140128885 | SYSTEMS AND METHODS FOR MAPPING FLUX SUPPLY PATHS - A method of supplying flux may include receiving first data at a control system identifying which of a plurality of remotely-controllable kinematic flux delivery structures is operationally coupled to which of a plurality of flux supply pathways and receiving second data at the control system identifying which of the remotely-controllable kinematic flux delivery structures is operationally coupled to which of a plurality of kinematic support structures. A system for supplying flux may include a plurality of flux supply pathways, a plurality of remotely-controllable kinematic flux delivery structures, and a control system receiving first data identifying which of the remotely-controllable kinematic flux delivery structures is operationally coupled to which of the flux supply pathways and receiving second data identifying which of the remotely-controllable kinematic flux delivery structures is operationally coupled to which of a plurality of kinematic support structures. | 05-08-2014 |
20140180272 | FLUX TRANSMISSION CONNECTORS, SYSTEMS, AND METHODS - A surgical flux transmission conduit for operationally coupling a surgical flux supply pathway with a surgical flux delivery instrument may include a data signal transmission pathway, a surgical flux transmission pathway, and a connector interface. The connector interface can include a data signal transmission connector feature in communication with the data signal transmission pathway, and a surgical flux transmission connector feature in communication with the surgical flux transmission pathway. A surgical flux delivery instrument may include an electronic circuit encoded with identification data corresponding to the instrument and a connector interface configured to mate with the connector interface of the conduit. A surgical flux supply source may include a connector interface including a data signal transmission connector to receive a data signal from the instrument and a surgical flux transmission connector feature. | 06-26-2014 |
20160067002 | SEALS AND SEALING METHODS FOR A SURGICAL INSTRUMENT HAVING AN ARTICULATED END EFFECTOR ACTUATED BY A DRIVE SHAFT - Sealing assemblies and methods are disclosed for sealing a surgical instrument having an internal drive shaft subject to lateral displacement. A sealing assembly includes a rigid portion shaped to interface with an instrument shaft of the surgical instrument. A laterally oriented slot is open at a radially perimeter location and configured to receive an o-ring seal via the perimeter location. Apertures are disposed on opposing sides of the slot and open to the slot. The apertures are configured to receive the drive shaft there through and are larger than the drive shaft to accommodate lateral displacement of the drive shaft. The slot includes opposing internal sides spaced to interface with opposed axial surfaces of the o-ring seal. The seal inhibits axial transmission of an insufflated gas and/or bodily fluids while accommodating lateral displacement of the drive shaft. | 03-10-2016 |
Gregory W. Dachs, Ii, San Francisco, CA US
Patent application number | Description | Published |
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20100250000 | OPTIC FIBER CONNECTION FOR A FORCE SENSING INSTRUMENT - In one embodiment, a surgical instrument includes a housing linkable with a manipulator arm of a robotic surgical system, a shaft operably coupled to the housing, a force transducer on a distal end of the shaft, and a plurality of fiber optic strain gauges on the force transducer. In one example, the plurality of strain gauges are operably coupled to a fiber optic splitter or an arrayed waveguide grating (AWG) multiplexer. A fiber optic connector is operably coupled to the fiber optic splitter or the AWG multiplexer. A wrist joint is operably coupled to a distal end of the force transducer, and an end effector is operably coupled to the wrist joint. In another embodiment, a robotic surgical manipulator includes a base link operably coupled to a distal end of a manipulator positioning system, and a distal link movably coupled to the base link, wherein the distal link includes an instrument interface and a fiber optic connector optically linkable to a surgical instrument. A method of passing data between an instrument and a manipulator via optical connectors is also provided. | 09-30-2010 |
20110118754 | MOTOR INTERFACE FOR PARALLEL DRIVE SHAFTS WITHIN AN INDEPENDENTLY ROTATING MEMBER - Mechanisms, assemblies, systems, tools, and methods incorporating the use of an offset drive shaft within an independently rotating member are provided. An example mechanism includes a base and a main shaft mounted to rotate relative to the base, a first drive shaft mounted inside the main shaft, and a first drive feature engaged with the first drive shaft. The main shaft includes a proximal end, a distal end, and a main shaft rotational axis defined therebetween. The first drive shaft is offset from the main shaft rotational axis. A first drive feature rotational axis is defined for the first drive feature and is fixed relative to the base as the main shaft rotates. The first drive feature rotates the first drive shaft. | 05-19-2011 |
20120150192 | METHOD FOR PASSIVELY DECOUPLING TORQUE APPLIED BY A REMOTE ACTUATOR INTO AN INDEPENDENTLY ROTATING MEMBER - Surgical assemblies and related methods are disclosed that provide for the transmission of high levels of actuation torque to a rotary mechanism of an end effector supported by an independently rotatable main shaft without causing undesirable rotation of the main shaft. An input drive shaft is coupled with both the rotary mechanism and the main shaft via a transmission and a rotational coupling so that the main shaft is passively subjected to a counteracting torque opposite in direction to the actuation torque transmitted to the rotary mechanism so as to inhibit rotational driving of the main shaft by the transmitted actuation torque. | 06-14-2012 |
20120165828 | ALTERNATE INSTRUMENT REMOVAL - Minimally invasive robotic surgical instruments and related methods are disclosed. A surgical instrument includes an interface fitting that couples a proximal chassis of the instrument with a holding fixture of a robotic manipulator. A securing feature releasably prevents relative axial sliding between the interface fitting and the chassis. In response to binding of the surgical instrument within a minimally invasive surgical site so as to inhibit removal of the surgical instrument from the surgical site and inhibit disengagement of the interface fitting from the holding fixture, the securing feature can be released to allow relative axial sliding between the interface fitting and the chassis, thereby allowing the holding fixture and the interface fitting to be separated from the rest of the surgical instrument and repositioning of the robotic manipulator out of the way. | 06-28-2012 |
20120209289 | SEALS AND SEALING METHODS FOR A SURGICAL INSTRUMENT HAVING AN ARTICULATED END EFFECTOR ACTUATED BY A DRIVE SHAFT - Sealing assemblies and methods are disclosed for sealing a surgical instrument having an internal drive shaft subject to lateral displacement. A sealing assembly includes a rigid portion shaped to interface with an instrument shaft of the surgical instrument. A laterally oriented slot is open at a radially perimeter location and configured to receive an o-ring seal via the perimeter location. Apertures are disposed on opposing sides of the slot and open to the slot. The apertures are configured to receive the drive shaft there through and are larger than the drive shaft to accommodate lateral displacement of the drive shaft. The slot includes opposing internal sides spaced to interface with opposed axial surfaces of the o-ring seal. The seal inhibits axial transmission of an insufflated gas and/or bodily fluids while accommodating lateral displacement of the drive shaft. | 08-16-2012 |
20130046137 | SURGICAL INSTRUMENT AND METHOD WITH MULTIPLE IMAGE CAPTURE SENSORS - A surgical instrument has a distal end portion with an outer surface with an outer radius. One or more image capture elements are movably mounted in the distal end portion. In a first state, the one or more image capture elements are un-deployed. In the first state, a surface having an aperture of at least one of the one or more image capture elements is enclosed within the outer surface of the surgical instrument so that the surface having the aperture does not extend beyond the outer surface. In a second state, the one or more image capture elements are deployed. In the second state the surface having the aperture of the at least one of the one or more image capture elements extends beyond the outer surface. | 02-21-2013 |
20130325034 | INSTRUMENT CARRIAGE ASSEMBLY FOR SURGICAL SYSTEM - A robotic assembly is configured to support, insert, retract, and actuate a surgical instrument mounted to the robotic assembly. The robotic assembly includes an instrument holder base member, a motor housing moveably mounted to the instrument holder base member, a carriage drive mechanism operable to translate the motor housing along the instrument holder base member, a plurality of drive motors, and a plurality of output drive couplings driven by the drive motors. One or more of the drive motors includes one or more magnetic flux shields to inhibit magnetic interference with an adjacent drive motor and/or with an adjacent motor orientation sensor. | 12-05-2013 |
20130331650 | Optic Fiber Connection for a Force Sensing Instrument - A surgical instrument that includes a housing linkable with a manipulator arm of a robotic surgical system, a shaft coupled to the housing, a force transducer on a distal end of the shaft, and a plurality of fiber optic strain gauges on the force transducer is disclosed. The plurality of strain gauges are coupled to a fiber optic splitter or an arrayed waveguide grating (AWG) multiplexer, which can be coupled to a fiber optic connector. A wrist joint coupled to an end effector is coupled to a distal end of the force transducer. A robotic surgical manipulator that includes a base link coupled to a distal end of a manipulator positioning system, and a distal link with an instrument interface, and a fiber optic connector optically linkable to a surgical instrument. A method of passing data between an instrument and a manipulator via optical connectors is also provided. | 12-12-2013 |
20140194894 | Motor Interface for Parallel Drive Shafts Within an Independently Rotating Member - Mechanisms, assemblies, systems, tools, and methods incorporating the use of an offset drive shaft within an independently rotating member are provided. An example mechanism includes a base and a main shaft mounted to rotate relative to the base, a first drive shaft mounted inside the main shaft, and a first drive feature engaged with the first drive shaft. The main shaft includes a proximal end, a distal end, and a main shaft rotational axis defined therebetween. The first drive shaft is offset from the main shaft rotational axis. A first drive feature rotational axis is defined for the first drive feature and is fixed relative to the base as the main shaft rotates. The first drive feature rotates the first drive shaft. | 07-10-2014 |
20150250548 | OPTIC FIBER CONNECTION FOR A FORCE SENSING INSTRUMENT - In one embodiment, a surgical instrument includes a housing linkable with a manipulator arm of a robotic surgical system, a shaft operably coupled to the housing, a force transducer on a distal end of the shaft, and a plurality of fiber optic strain gauges on the force transducer. In one example, the plurality of strain gauges are operably coupled to a fiber optic splitter or an arrayed waveguide grating (AWG) multiplexer. A fiber optic connector is operably coupled to the fiber optic splitter or the AWG multiplexer. A wrist joint is operably coupled to a distal end of the force transducer, and an end effector is operably coupled to the wrist joint. In another embodiment, a robotic surgical manipulator includes a base link operably coupled to a distal end of a manipulator positioning system, and a distal link movably coupled to the base link, wherein the distal link includes an instrument interface and a fiber optic connector optically linkable to a surgical instrument. A method of passing data between an instrument and a manipulator via optical connectors is also provided. | 09-10-2015 |
Gregory W. Drewno, Riverview, MI US
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20080210266 | Purge solution - A composition comprising a polypropylene glycol, a polyethylene glycol ester, an amine, and optionally an alcohol. The composition can be used as a purge solution to clean paint equipment. | 09-04-2008 |
Gregory W. Farell, Hendersonville, TN US
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20110230110 | Area Bonded Nonwoven Fabric From Single Polymer System - A nonwoven fabric is provided having a plurality of semi-crystalline filaments that are thermally bonded to each other and are formed of the same polymer and exhibit substantially the same melting temperature. The fabric is produced by melt spinning an amorphous crystallizable polymer to form two components having different levels of crystallinity. During spinning, a first component of the polymer is exposed to conditions that result in stress-induced crystallization such that the first polymer component is in a semi-crystalline state and serves as the matrix or strength component of the fabric. The second polymer component is not subjected to stress induced crystallization and thus remains in a substantially amorphous state which bonds well at relatively low temperatures. In a bonding step, the fabric is heated to soften and fuse the binder component. Under these conditions, the binder component undergoes thermal crystallization so that in the final product, both polymer components are semi-crystalline. | 09-22-2011 |
20130122772 | AREA BONDED NONWOVEN FABRIC FROM SINGLE POLYMER SYSTEM - A nonwoven fabric is provided having a plurality of semi-crystalline filaments that are thermally bonded to each other and are formed of the same polymer and exhibit substantially the same melting temperature. The fabric is produced by melt spinning an amorphous crystallizable polymer to form two components having different levels of crystallinity. During spinning, a first component of the polymer is exposed to conditions that result in stress-induced crystallization such that the first polymer component is in a semi-crystalline state and serves as the matrix or strength component of the fabric. The second polymer component is not subjected to stress induced crystallization and thus remains in a substantially amorphous state which bonds well at relatively low temperatures. In a bonding step, the fabric is heated to soften and fuse the binder component. Under these conditions, the binder component undergoes thermal crystallization so that in the final product, both polymer components are semi-crystalline. | 05-16-2013 |
Gregory W. Farrey, Ypsilanti, MI US
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20130117739 | Electronic Tool for Automatically Programming a Plurality of Control Modules in a Vehicle On-Board Computer System - An electronic tool automatically uploads a plurality of software files into respective control modules in an on-board computer system of a vehicle. The electronic tool includes a memory having a plurality of software files stored therein that are associated with respective control modules in an on-board computer system of a vehicle. The electronic tool also includes a processor that automatically determines which ones of a plurality of individual control modules in a vehicle on-board computer system need to be programmed. In response to that determination, the electronic tool automatically uploads each of the plurality of software files into the respective control modules in the on-board computer system of the vehicle. | 05-09-2013 |
Gregory W. Goeckel, Belleville, IL US
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20100194159 | SUPPORTIVE BACK OVERLAY FOR WHEELCHAIR BACK - A supportive back rest for attachment to an original equipment back rest of a wheelchair to enhance the supportive characteristics of the wheelchair back rest. The supportive back rest includes a cushion, a suspension element and a cover. The cushion and one side of the suspension element are positioned in the cover. An opposed side of the suspension element is exposed and defines a space between it and the cushion. The suspension element slips over the upper edge of the original equipment back rest of the wheelchair to suspend the supportive back rest in position behind a seated user. The suspension element can be attached to the cover or can be attached to the cushion by molding or through attachment anchors. | 08-05-2010 |
20120007396 | Supportive Back Overlay for Wheelchair Back - A supportive back rest for attachment to an original equipment back rest of a wheelchair to enhance the supportive characteristics of the wheelchair back rest. The supportive back rest includes a cushion, a suspension element and a cover. The cushion and one side of the suspension element are positioned in the cover. An opposed side of the suspension element is exposed and defines a space between it and the cushion. The suspension element slips over the upper edge of the original equipment back rest of the wheelchair to suspend the supportive back rest in position behind a seated user. The suspension element can be attached to the cover or can be attached to the cushion by molding or through attachment anchors. | 01-12-2012 |
20120091300 | WHEELCHAIR BACK MOUNTING ASSEMBLY - An adjustment apparatus ( | 04-19-2012 |
20120326482 | WHEELCHAIR BACK MOUNTING ASSEMBLY - A support mechanism ( | 12-27-2012 |
20140021763 | WHEELCHAIR BACK MOUNTING ASSEMBLY - An adjustment apparatus for a wheelchair back that can be used with various backs, that can be adjusted in a plurality of ways using a single adjustment point, and that can be adjusted without the use of tools. In another aspect, includes a support mechanism for mounting an adjustment apparatus for a wheelchair back that can be engaged using gravity, that provides at least one support point, and that can be utilized without the use of tools. Still another aspect of the wheelchair back assembly includes a mounting clamp that is simple in construction, that provides at least one support point, and that can be easily disassembled and adjusted to accommodate upright frame members of various diameters without the use of a tool. | 01-23-2014 |
20160030262 | WHEELCHAIR BACK MOUNTING ASSEMBLY - A mounting clamp assembly that provides at least one support point for a wheelchair back mounting assembly, the mounting clamp assembly includes a clamp block and threaded clamp fastener extending through the clamp block and engaging a support by which the mounting clamp can be secured to a wheelchair cane; the mounting clamp assembly can be easily disassembled and adjusted to accommodate upright frame members of various diameters without the use of a tool. | 02-04-2016 |
Gregory W. Haggquist, Longmont, CO US
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20110180744 | Exothermic-Enhanced Articles and Methods for Making the Same - Exothermically-enhanced articles, such as those made of fabric, are provided. The enhancement allows for faster drying times. Enhancement may be provided by using activated particles exhibiting exothermic properties. The activated particles may be removably encapsulated with a protective substance that may be used to activate or deactivate the particles. | 07-28-2011 |
20150240415 | INCORPORATION OF ACTIVE PARTICLES INTO SUBSTRATES - An active particle bonding system comprising an active particle, a material chemically bonded to the active particle, and a substrate embedded to at least one of the active particle and the material. | 08-27-2015 |
Gregory W. Hall, Sunnyvale, CA US
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20100241039 | CPR Compression Device and Method - Improved automatic chest compression systems which use constricting belts, repeatedly inflating bladders, or reciprocating pistons to compress the chest. A bladder is placed between the chest and the particular mechanism used to compress the chest during CPR. The bladder maximizes the effectiveness of chest compressions. | 09-23-2010 |
Gregory W. Hefler, Chillicothe, IL US
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20100037965 | Check valve with separate spherical spring guide - A check valve for use with a pump is disclosed. The check valve may have a body at least partially defining a central bore with an open end and a closed end, and a spring guide separate from the body and disposed within the closed end of the central bore. The check valve may also have a spring located within the central bore and having a first end operatively engaged with the spring guide, and a valve element operatively engaged with a second end of the spring and being movable by a pressure differential to compress the spring. The spring guide may be moveable relative to the body. | 02-18-2010 |
20120103308 | Two-Way Valve Orifice Plate for a Fuel Injector - A pressure balancing orifice plate for a fuel injector device may include a cylindrical body having a top surface, a bottom surface, an annular outer surface, and a body longitudinal axis, a balance pressure relief orifice extending from the top surface to the bottom surface, and a raised valve seat extending upwardly from the top surface and surrounding the balance pressure relief orifice. The valve seat may have a central seat surface encircling the balance pressure relief orifice and a plurality of leaf portions extending radially outwardly from the central seat surface and defining drainage channels there between. A width W | 05-03-2012 |
Gregory W. Henzler, E. Amherst, NY US
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20140319871 | GAP FAIRING FOR A TRACTOR-TRAILER - A gap fairing for a tractor-trailer is provided. A fairing body with an impact absorbing extension is attached to a chassis of the tractor, independently of the cab thereof and within a gap between a cab of the tractor and the trailer. The fairing body has side portions, extending rearwardly from a front portion, adjacent the cab of the tractor, toward the trailer and top portion. A clear panel can be located in at least the side portion of the fairing body located at the passenger side to enable the driver to view the trailer through the rear window of the tractor and the clear panel. A separation space between the front of the fairing body and the cab can be sealed by a sealing element that is at least in part one of resilient and flexible so as to allow relative motion between the fairing body and the cab. | 10-30-2014 |
Gregory W. Henzler, East Amherst, NY US
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20160032935 | SYSTEM AND APPARATUS FOR COMPRESSING AND COOLING AN INCOMING FEED AIR STREAM IN A CRYOGENIC AIR SEPARATION PLANT - A system and apparatus for compression of an incoming feed air stream using at least two variable speed compressor drive assemblies controlled in tandem is provided. The first variable speed driver assembly drives at least one compression stage in the lower pressure compressor driven while the second variable speed driver assembly drives higher pressure compression stage disposed either in the common air compression train or the split functional compression train of the air separation plant. The first and second variable speed driver assemblies are preferably high speed, variable speed electric motor assemblies each having a motor body, a motor housing, and a motor shaft with one or more impellers directly and rigidly coupled to the motor shaft via a sacrificial rigid shaft coupling. | 02-04-2016 |
Gregory W. Hoverson, Cookeville, TN US
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20090184041 | Fluid filter with clear shell portion - A fuel-water filter/separator for threaded connection to a mounting base has a shell and a filtering media positioned within the shell. The shell has an open top end and a substantially closed bottom end. The shell is made of an opaque plastic except for a window in the shell made from a substantially clear plastic. The substantially clear plastic in the window being insert molded to the opaque plastic. The filtering media is positioned within the shell for filtering fuel. The shell defines a water collection portion beneath the filtering media, the window of the shell being positioned such that it overlaps at least a part of the water collection portion to allow water level monitoring. | 07-23-2009 |
Gregory W. Hoverson, Columbus, IN US
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20110180051 | Crankcase Ventilation Inside-Out Flow Rotating Coalescer - An internal combustion engine crankcase ventilation rotating coalescer includes an annular rotating coalescing filter element, an inlet port supplying blowby gas from the crankcase to the hollow interior of the annular rotating coalescing filter element, and an outlet port delivering cleaned separated air from the exterior of the rotating element. The direction of blowby gas is inside-out, radially outwardly from the hollow interior to the exterior. | 07-28-2011 |
20120067323 | Filter Assembly with Mounting - A filter assembly, including an air cleaner assembly for an internal combustion engine in an underhood engine compartment, includes a mounting bracket with a flow passage therethrough. In one form, a combination air filter element and base is provided for an air cleaner assembly. In a further form, a filter assembly includes a filter element integrally and permanently mounted to the base for removal and replacement as a single unit. | 03-22-2012 |
20120261323 | FILTER APPARATUS WITH TORQUE LIMITING MECHANISM - A filter apparatus is described that has a torque limiting device, which may be a clutch mechanism, and which provides a protective function for a filter, so as to protect a filter from being over tightened and to thereby prevent damage to filter components. The clutch mechanism can also eliminate or reduce the need for torque measurement of certain filter components. The clutch mechanism can be located on one of the fluid filter, a filter head which engages the fluid filter, or a combination of both the fluid filter and the filter head. | 10-18-2012 |
20150027422 | Crankcase Ventilation Inside-Out Flow Rotating Coalescer - An internal combustion engine crankcase ventilation rotating coalescer includes an annual rotating coalescing filter element, an inlet port supplying blow by gas from the crankcase to the hollow interior of the annular rotating coalescing filter element, and an outlet port delivering clean separated, air from the exterior of the rotating element. The direction of flow by gas inside-out, radially, outwardly from the hollow interior to the exterior. | 01-29-2015 |
Gregory W. Inks, Cary, NC US
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20120066268 | CONTENT ASSET MANAGER - A content asset manager (CAM) system manages content to be developed. CAM includes a data repository storing static assets and page assets operable to be used in a web site developed in a code editing system. A web service interfaces the CAM system with the code editing system and provides the code editing system with access to at least some of the static assets stored in the data repository through a user interface in the code editing system and provides code, including at least one of the static assets, for the web site developed in the code editing system to the CAM system. A slot database includes a plurality of independent slots, and a slot stores data to be used for the web site at runtime. A content manager retrieves the code for the web site from the data repository and stores the code for the web site in the slot for the web site in the slot database. The web site may be deployed using data in the slot. | 03-15-2012 |
Gregory W. Johnson, Temecula, CA US
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20100193485 | METHODS AND SYSTEMS FOR LASER CUTTING AND PROCESSING TUBING TO MAKE MEDICAL DEVICES - Methods for making devices include providing a tubular member to be formed into a device, placing a removable sacrificial block material in the lumen of the tubular member and laser cutting the tubular member. A doping material can be added to the melted portion of the tubular member to promote the formation of brittle slag. A fixture can be used to hold a cut workpiece in order to ream sacrificial material from the surface of the workpiece. Pressurized gas can be supplied to the inner lumen of the tubular member to cause slag to form on the outside surface, rather than the inner surface, of the tubular member. A tubular member made from nickel-titanium alloy can be tightly adhered to a sacrificial sleeve utilizing the phase changes associated with nickel-titanium. A rotating mandrel can be placed within the lumen of the tubular member during laser cutting. A mandrel which includes an enlarged diameter section causes the workpiece to expand slightly within its elastic deformation range to dislodge islands from the workpiece. Such a mandrel could be formed from a tubular member which has a central lumen that can be used to deliver a pressurized medium to “blast” islands from the workpiece. | 08-05-2010 |
Gregory W. Johnson, Iv, Milford, OH US
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20140276723 | ELECTROSURGICAL DEVICE WITH DISPOSABLE SHAFT HAVING RACK AND PINION DRIVE - An apparatus comprises an end effector, a shaft assembly, and an interface assembly. The end effector is coupled with the shaft assembly. The shaft assembly comprises a translating member extending through the shaft assembly. The interface assembly is operable to engage the shaft assembly and comprises a plurality of drive shafts and a rack. One of the drive shafts is operable to drive the rack along a path that is parallel to the longitudinal axis of the shaft assembly. A plurality of racks may be used to rotate the shaft assembly, articulate the shaft assembly, and/or drive the translating member through the shaft assembly to thereby actuate the end effector. | 09-18-2014 |
Gregory W. Kassekert, Woodbury, MN US
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20090152746 | MULTI-STAGE INJECTION OVER-MOLDING SYSTEM WITH INTERMEDIATE SUPPORT AND METHOD OF USE - An over-molding tool is provided for over-molding an over-mold onto a fiber optic cable assembly. The over-molding tool includes first and second mold tool sets. The first mold tool set applies a first portion of the over-mold onto the fiber optic cable assembly. The second mold tool set then applies a second portion of the over-mold onto the fiber optic cable assembly. In preferred embodiments, the first and the second portions of the over-mold fuse to each other. By employing the first and the second mold tool sets, the fiber optic cable assembly can be supported at closer intervals along its length when being over-molded in comparison to a single, longer mold tool set. In addition, a lower capacity injection pump can be used when applying the over-mold in two portions. In other embodiments, additional mold tool sets can be added that sequentially apply additional portions of the over-mold. | 06-18-2009 |
Gregory W. Leffard, Newington, CT US
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20140142988 | SYSTEM AND METHOD FOR ANALYZING PRIVACY BREACH RISK DATA - A risk associated with a data breach of confidential personal data may be determined based on the amount of confidential personal data records stored. Underwriting questions based on the user's business may be determined and transmitted to the user. Input data may be received from a user that is responsive to the underwriting questions. The system may then determine an applicable insurance product with various options and receive a quote for the insurance product and the selected options. The user may initiate the purchase of one insurance product with one or more options, and/or enter into a binding agreement for the purchase of one of the insurance product. | 05-22-2014 |
Gregory W. Loest, Utica, SD US
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20110277633 | MULTI-STAGE SCRUBBING SYSTEM AND METHOD FOR ETHANOL VENT STREAMS - A multi-stage scrubbing system comprises a pre-scrubber system structured to receive a vent stream therein and pre-scrub the vent stream with a pre-scrubber fluid. The pre-scrubber system includes a first outlet for discharging a pre-scrubbed vent stream and a second outlet for discharging a discharge stream of pre-scrubber fluid. A main scrubber system is fluidly coupled to the first outlet of the pre-scrubber system for receiving and further scrubbing the pre-scrubbed vent stream. | 11-17-2011 |
20120312385 | MOLECULAR SIEVE DEPRESSURIZATION RECOVERY SYSTEM AND METHOD - A method of depressurizing a molecular sieve used in ethanol production is provided. The ethanol production system includes a plurality of on-line molecular sieve bottles for removing water from ethanol production. When the molecular sieve bottle becomes saturated with water it is taken off-line to depressurize it. The depressurization and removal of water is done from the product discharge end resulting in an approximately 5% to 10% reduction in external energy required to run the ethanol production line. | 12-13-2012 |
20150251128 | MOLECULAR SIEVE DEPRESSURIZATION RECOVERY SYSTEM - A system for depressurizing a molecular sieve used in ethanol production is provided. The ethanol production system includes a plurality of on-line molecular sieve bottles for removing water from ethanol production. When the molecular sieve bottle becomes saturated with water it is taken off-line to depressurize it. The depressurization and removal of water is done from the product discharge end resulting in an approximately 5% to 10% reduction in external energy required to run the ethanol production line. | 09-10-2015 |
20160074771 | SYSTEM FOR DISTILLING ETHANOL USING AN AIR-COOLED CONDENSER - The present invention is directed towards a system for condensing ethanol during the distillation stage of ethanol production by using an air-cooled condenser. Typically ethanol producing facilities use water-cooled condensers to cool the vaporized ethanol into liquid ethanol. However this water-cooled condenser uses about 50% of the water used in the cooling tower and requires replacement. Due to growing concerns and scrutiny of water usage in the ethanol producing industry air-cooled condensers in the distillation step of ethanol production can significantly conserve water. | 03-17-2016 |
Gregory W. Luli, San Diego, CA US
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20100330633 | Integrated System and Process for Bioproduct Production - Processes and systems for production of bioproducts such as biofuels are provided. The bioproduct production processes and systems utilize pretreatment of a carbohydrate-containing feedstock to produce soluble sugar molecules and continuous conversion of the pretreated feedstock to a bioproduct by an immobilized fermenting microorganism. | 12-30-2010 |
20110318798 | REMOVAL OF INHIBITORS OF MICROBIAL FERMENTATION FROM INHIBITOR-CONTAINING COMPOSITIONS - Methods are provided for conditioning an inhibitor-containing composition, such as a cellulosic biomass hydrolysate, to remove inhibitors of microbial growth and/or product production. The methods include precipitation of inhibitors by formation of complexes with metal salts, such as aluminum sulfate and ferric chloride. | 12-29-2011 |
20130337527 | INTEGRATED SYSTEM AND PROCESS FOR BIOPRODUCT PRODUCTION - Processes and systems for production of bioproducts such as biofuels are provided. The bioproduct production processes and systems utilize pretreatment of a carbohydrate-containing feedstock to produce soluble sugar molecules and continuous conversion of the pretreated feedstock to a bioproduct by an immobilized fermenting microorganism. | 12-19-2013 |
Gregory W. Menas, Wichita, KS US
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20110018345 | Automatic Sensing Power Systems and Methods - An automatic sensing power system automatically determines a power requirement for an electrical device, converts power to the required level, and outputs the power to the electrical device when the electrical device is connected to the automatic sensing power system. | 01-27-2011 |
20110057513 | Power Sampling Systems and Methods - An automatic sensing power system automatically has a voltage sampling system that samples a voltage from an electrical device, determines a power requirement for the electrical device, converts power to the required level, and outputs the power to the electrical device when the electrical device is connected to the automatic sensing power system. | 03-10-2011 |
Gregory W. Nears, Sussex, WI US
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20100274393 | METHOD AND APPARATUS FOR DISABLING PORTS IN A MOTOR CONTROL SYSTEM - A motor control host includes a plurality of ports, a memory, and a processing device. The memory is operable to store an enable mask defining an enablement state for each of the ports. The processing device is operable to send a first message over those selected ports having an affirmative enablement state to maintain a communication link over the selected ports and inhibit the first message for those ports having a negative enablement state. A method for configuring a motor control system including a motor control host having a plurality of ports includes storing an enable mask defining an enablement state for each of the ports. A first message is sent over those selected ports having an affirmative enablement state to maintain a communication link over the selected ports. The first message is inhibited for those ports having a negative enablement state. | 10-28-2010 |
Gregory W. Peterson, Belcamp, MD US
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20140186250 | CARBONYL FUNCTIONALIZED POROUS INORGANIC OXIDE ADSORBENTS AND METHODS OF MAKING AND USING THE SAME - An adsorbent material comprising a porous inorganic oxide material grafted with a molecule comprising a carbonyl functional group is provided. The porous inorganic oxide material can be a porous silica material or Zr(OH) | 07-03-2014 |
20150283493 | Layered Or Mixed Sorbent Bed Protective Filtration Device - A filtration device including a fluid-impermeable housing having a gas inlet and outlet, and containing within the housing first filter media particles of an extended surface area substrate and containing at least one metal impregnant, and second filter media particles of an extended surface area zirconium hydroxide substrate. The device may be used in atmospheres containing various harmful gases, and may provide particularly useful improvements in NO | 10-08-2015 |
20150306536 | Layered Or Mixed Sorbent Bed Protective Filtration Device - A filtration device including a fluid-impermeable housing having a gas inlet and outlet, and containing within the housing first filter media particles of an extended surface area substrate and containing at least one metal impregnant, and second filter media particles of an extended surface area zirconium hydroxide substrate and zinc (hydr)oxide. The device may be used in atmospheres containing various harmful gases, and may provide particularly useful improvements in NO | 10-29-2015 |
Gregory W. Pronko, Auburn, CA US
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20130020451 | Interactive Visual Display System - An apparatus base is affixed by adhesive to a surface. The adhesive base may include a release ply and optional carrier. The base, made of a flexible film or more rigid material, is associated with fastener elements. The fasteners may be any of threaded bolt, post, boss, socket element (male or female threaded, or otherwise configured), “snap” connections or the like. The fasteners are received by a display housing frame. A visual display received within the housing may comprise an interactive touchscreen device or other electronic hardware. | 01-24-2013 |
Gregory W. Saatkamp, Sheboygan, WI US
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20130175250 | GROUND-COMPACTING DEVICE - A food and beverage warming device according to the invention includes a housing having a container received in a cavity defined by the housing. The container is sized, shaped, and configured to receive a can of food or beverage. The food and beverage warming device is selectively operably coupleable to an external power source such as a cigarette light adapter of vehicle or the like. When connected to the power source, a heating element mounted to the container is energized to warm the container. The can contained in the container, and the food held therein, is warmed via heat transfer from the heating element. A thermostat is provided and operably interconnected with the power source and the heating element. The thermostat is configured to monitor and regulate the temperature of the container and by virtue the can contained therein. | 07-11-2013 |
Gregory W. Smaus, Austin, TX US
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20080235491 | Techniques for Maintaining a Stack Pointer - A technique for reducing stack pointer adjustment operations when stack dependent operations, which correspond to stack dependent instructions, are encountered includes setting a stack pointer to an initial value for a stack. A number of bytes associated with the stack dependent operation is determined. A stack pointer delta is then modified based upon the number of bytes associated with the stack dependent operation. A current location in the stack is determined based on the stack pointer and the stack pointer delta. | 09-25-2008 |
20140136819 | REGISTER FILE MANAGEMENT FOR OPERATIONS USING A SINGLE PHYSICAL REGISTER FOR BOTH SOURCE AND RESULT - A processor includes a physical register file having physical registers and an execution unit to perform an arithmetic operation to generate a result mapped to a physical register, wherein the processor delays a write of the result to the physical register file until the result is qualified as valid. A method includes mapping the same physical register both to store load data of a load-execute operation and to subsequently store a result of an arithmetic operation of the load-execute operation, and writing the load data into the physical register. The method further includes, in a first clock cycle, executing the arithmetic operation to generate the result, and, in a second clock cycle, providing the result as a source operand for a dependent operation. The method includes, in a third clock cycle, enabling a write of the result to the physical register file responsive to the result qualifying as valid. | 05-15-2014 |
20140181482 | STORE-TO-LOAD FORWARDING - An arithmetic unit performs store-to-load forwarding based on predicted dependencies between store instructions and load instructions. In some embodiments, the arithmetic unit maintains a table of store instructions that are awaiting movement to a load/store unit of the instruction pipeline. In response to receiving a load instruction that is predicted to be dependent on a store instruction stored at the table, the arithmetic unit causes the data associated with the store instruction to be placed into the physical register targeted by the load instruction. In some embodiments, the arithmetic unit performs the forwarding by mapping the physical register targeted by the load instruction to the physical register where the data associated with the store instruction is located. | 06-26-2014 |
20140380023 | DEPENDENCE-BASED REPLAY SUPPRESSION - A method includes selecting for execution in a processor a load instruction having at least one dependent instruction. Responsive to selecting the load instruction, the at least one dependent instruction is selectively awakened based on a status of a store instruction associated with the load instruction to indicate that the at least one dependent instruction is eligible for execution. A processor includes an instruction pipeline having an execution unit to execute instructions, a scheduler, and a controller. The scheduler selects for execution in the execution unit a load instruction having at least one dependent instruction. The controller, responsive to the scheduler selecting the load instruction, selectively awakens the at least one dependent instruction based on a status of a store instruction associated with the load instruction to indicate that the at least one dependent instruction is eligible for execution by the execution unit. | 12-25-2014 |
20150026436 | HYBRID TAG SCHEDULER - The present invention provides a method and apparatus for scheduling based on tags of different types. Some embodiments of the method include broadcasting a first tag to entries in a queue of a scheduler. The first tag is broadcast in response to a first instruction associated with a first entry in the queue being picked for execution. The first tag includes information identifying the first entry and information indicating a type of the first tag. Some embodiments of the method also include marking at least one second entry in the queue is ready to be picked for execution in response to at least one second tag associated with at least one second entry in the queue matching the first tag. | 01-22-2015 |
Gregory W. Smith, Calgary CA
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20150253153 | Variable Reluctance Resolve-Encoder - An angular position detector includes a cylindrical rotor having an axis of rotation and a first ring with a plurality of alternating teeth and valleys, a first first-ring magnetic sensor having a sensor surface facing the first ring, the first first-ring magnetic sensor being configured to produce a first signal in response to movement of the first ring past the first first-ring magnetic sensor, a second first-ring magnetic sensor having a sensor surface facing the first ring and being configured to produce a second signal in response to movement of the first ring past the second first-ring magnetic sensor, the second first-ring magnetic sensor being circumferentially offset from the first first-ring magnetic sensor by a first angle and a controller operatively connected to the first and second first-ring magnetic sensors and configured to produce a first output signal based on the first and second signals. | 09-10-2015 |
Gregory W. Sponseller, San Antonio, TX US
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20130240466 | PHOTOVOLTAIC PANEL RACKING ASSEMBLY FOR USE IN CONNECTION WITH ROOF INSTALLATION OF PANELS - A photovoltaic panel racking assembly ( | 09-19-2013 |
20150014504 | PHOTOVOLTAIC PANEL RACKING ASSEMBLY FOR USE IN CONNECTION WITH ROOF INSTALLATION OF PANELS - A photovoltaic panel racking assembly ( | 01-15-2015 |
Gregory W. Trottet, Rennaz CH
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20160100591 | NON-MEAT FOOD PRODUCTS HAVING APPEARANCE AND TEXTURE OF COOKED MEAT - Non-meat food products are provided that have the appearance and the texture of cooked meat. Methods for making such non-meat food products are also provided. In an embodiment, a method includes mixing dry ingredients comprising vegetable proteins with wet ingredients including water and/or oil to form a non-meat dough; heating the non-meat dough under pressure; maintaining the pressure while transferring the heated non-meat dough to a cooling device; and gradually cooling the heated non-meat dough while gradually decreasing pressure on the heated non-meat dough, to form a non-meat food product. The mixing can be performed by a batch or continuous mixer; the heating can be performed by a device selected from the group consisting of a high shear emulsifier, a heat exchanger, and a dielectric heater; and the gradual cooling can be performed by a heat exchanger. | 04-14-2016 |
Gregory W. Visich, Woodbury, MN US
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20080304180 | Bias techniques for magnetic tape media - The disclosure is directed to a method for creating a remanence magnetization on a magnetic tape medium. The magnetic tape is first substantially demagnetized, e.g., erased, by an erasure unit having multiple magnetic elements of alternating polarity. The erased magnetic tape is then passed by a bias magnet that creates a remanence magnetization on the magnetic tape. The remanence magnetized magnetic tape is then passed through a servo write head that writes servo patterns to the remanence magnetized magnetic tape. The bias magnet may be housed within the erasure unit or within a bias unit, and the distance between the bias magnet and the tape path of the magnetic tape may be adjustable to create the desired remanence magnetization on the magnetic tape. The remanence magnetization created on the magnetic tape may be greater than 20 percent to reduce defects in the servo pattern written to the magnetic tape. | 12-11-2008 |
20090122446 | Data storage tape guiding system - A data storage tape guiding system is configured to guide a data storage tape along a tape path crossing a read/write head. The data storage tape guiding system includes data storage tape supply components and data storage tape take-up components. An entirety of the supply components is disposed on a common first plane on a first side of the read/write head. An entirety of the take-up components is disposed on a common second plane on a second side of the read/write head. The common first plane is different than the common second plane. | 05-14-2009 |
20120262817 | BIAS TECHNIQUES FOR MAGNETIC TAPE MEDIA - The disclosure is directed to a method for creating a remnant magnetization on a magnetic tape medium. The magnetic tape is first substantially demagnetized, e.g., erased, by an erasure unit having multiple magnetic elements of alternating polarity. The erased magnetic tape is then passed by a bias magnet that creates a remnant magnetization on the magnetic tape. The remnant magnetized magnetic tape is then passed through a servo write head that writes servo patterns to the remnant magnetized magnetic tape. The bias magnet may be housed within the erasure unit or within a bias unit, and the distance between the bias magnet and the tape path of the magnetic tape may be adjustable to create the desired remnant magnetization on the magnetic tape. The remnant magnetization created on the magnetic tape may be greater than 20 percent to reduce defects in the servo pattern written to the magnetic tape. | 10-18-2012 |
Gregory W. Wornell, Wellesley, MA US
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20090110106 | SYSTEM AND APPARATUS FOR ERROR CONTROL CODES BASED ON LAYERING AND LINEAR TRANSFORMATIONS - A powerful new class of methods for encoding digital data for reliable transmission over unreliable communication channels is described. With this method, the message bits are divided into multiple submessages and the bits in each layer are encoded using a standard error correction code to provide a plurality of subcodewords. A first linear transformation is applied to each of the subcodewords. The so-transformed subcodewords from the different submessages are then combined to form a first redundancy block to be transmitted. Additional redundancy blocks are generated by repeating this process on the same message but with jointly related nonidentical sets of linear transformations. The result is a set of codewords for each message which are then used to generate a transmitted waveform in one of several different ways, depending upon the application. For example, the codewords can be used in sequence (temporally) to form a rateless code for transmission over channels of unknown quality, in which case a receiver accumulates as many of the codewords as are necessary to successfully decode. As another example, the codewords can be spatially distributed if the channel has multiple-inputs, as would be the case in a multi-antenna system. As still another example, the codewords can be distributed over subchannels in a frequency-division multiplexing system. | 04-30-2009 |