Patent application number | Description | Published |
20090074956 | INKJET PRINTING OF MATERIALS FOR USE IN FUEL CELLS - A method of using inkjet printing (IJP) to deposit catalyst materials onto substrates such as gas diffusion layers (GDLs) that in one application are made into membrane electrode assemblies (MEAs) for polymer electrolyte fuel cells (PEMFC). The inventive IJP method can deposit smaller volumes of water-based catalyst ink solutions with picoliter precision. By optimizing the dispersion of the ink solution, this technique can be used with catalysts supported on different specimens of carbon black. | 03-19-2009 |
20090075142 | NANOIMPRINTED ELECTRODES FOR FUEL CELLS - Nanoimprint lithography (NIL) method to fabricate electrodes with high specific Pt surface areas that can be used in fuel cell devices. The Pt catalyst structures were found to have electrochemical active surface areas (EAS) ranging from 0.8 to 1.5 m | 03-19-2009 |
20130150230 | BULK METALLIC GLASS NANOWIRES FOR USE IN ENERGY CONVERSION AND STORAGE DEVICES - A class of materials has advantageous utility in electrocatalytic applications, e.g., fuel cells. The materials circumvent conventional Pt-based anode poisoning and the agglomeration/dissolution of supported catalysts during long-term operation by exploiting the unique physical and chemical properties of bulk metallic glass to create nanowires for electrocatalytic applications, e.g., fuel cell and battery applications. These amorphous metals can achieve unusual geometries and shapes along multiple length scales. The absence of crystallites, grain boundaries and dislocations in the amorphous structure of bulk metallic glasses results in a homogeneous and isotropic material down to the atomic scale, which displays very high strength, hardness, elastic strain limit and corrosion resistance. The melting temperatures of the disclosed bulk metallic glasses are much lower than the estimated melting temperatures based on interpolation of the alloy constituents making them attractive as highly malleable materials. | 06-13-2013 |
Patent application number | Description | Published |
20130224378 | FORMATION AND IMMOBILIZATION OF SMALL PARTICLES BY USING POLYELECTROLYTE MULTILAYERS - A method for forming and immobilizing small particles on a filter substrate using a first and second polymer solution, a solution of sodium bromide and a solution of a metal salt. The method adjusts the pH of at least one of the first and second polymer solutions, immersing the filter substrate in the first polymer solution and immersing the filter substrate in the second polymer solution. The method includes repeating the steps of immersing the filter substrate in the first solution and the second solution alternately until desired number of layers is achieved. The method allows for the filter substrate to be immersed in the solution of the metal salt and subsequently in the solution of sodium bromide. | 08-29-2013 |
20140319065 | AUGMENTED POLYACRYLATE ANTI-SCALE MEDIA AND METHODS OF MAKING THE SAME - A scale suppression media and methods of making augmented polyacrylate resin beads combined with a directing agent to facilitate the formation of calcite and aragonite forms of calcium carbonate, the directing agent deposited directly into said polyacrylate resin beads. A strong acid monovalent salt, such as a metal ion, is added to the polyacrylate resin, and is adapted to be time released, and templates the calcium carbonate in the influent to form crystals in the water with reduced deposition of scale on the surfaces of material in contact with the water. The pores of the resin are filled with metal templating agent, and the agent is released as the influent passes over the resin. | 10-30-2014 |
20150014240 | FILTER MEDIA FOR GRAVITY FILTRATION APPLICATIONS - A gravity filter media fabricated from multiple spiral wound or pleated layers, where different layers are designed for specific contaminant removal process and the layers are combined into a single pack for ease of use. The layers or fiber sheets are chemically treated for contaminant removal, with different layers having different chemical treatments, or the layers are immobilized with particles of various sizes for use as low contact-time adsorbents, with different layers having different immobilized particles, or the pore structure is varied from one fiber sheet to another—one being a tight pore structure, and the other being a more open pore structure, or any combination thereof. When using immobilized particles, the immobilized particles can be chemically treated for the specific removal of targeted contaminants, and multi-layered for custom designed removal of specific contaminants. | 01-15-2015 |
Patent application number | Description | Published |
20090056515 | ROTARY KNIFE CUTTING SYSTEMS - There are disclosed rotary cutting systems for use with circular surgical stapling devices. The rotary cutting systems generally include a circular knife blade and a mainspring for imparting rotary motion to the circular knife blade. A latch mechanism is provided to maintain the knife blade on a linear travel path during a first predetermined distance and to release the circular knife blade for rotation due to the bias of the mainspring along a second predetermine distance. The circular knife blade may be rotated by the mainspring itself or, in an alternative embodiment, may be driven by frictional engagement with a rotational hammer. | 03-05-2009 |
20100030239 | Axial Stitching Device - An endoscopic stitching device is provided including an end effector configured and adapted to perform at least a pair of functions; and a single actuation cable operatively connected to the end effector, wherein the actuation cable is capable of effecting operation of at least the pair of functions. The actuation cable is capable of effecting a first operation of the pair of functions upon an axial translation thereof, and a second operation of the pair of functions upon a rotation thereof. | 02-04-2010 |
20100076260 | Handle Assembly for Articulated Endoscopic Instruments - An endoscopic surgical instrument is provided and includes a handle assembly for operating the surgical instrument, an articulatable neck assembly supported on and extending from the handle assembly, and an end effector operatively supported on the neck assembly. The handle assembly includes a housing; a trigger operatively supported on the housing; at least one actuation shaft operatively connected to the trigger and extending from the housing, wherein an actuation of the trigger imparts axial translation to the actuation shaft; and at least one articulation cable operable from the housing. The end effector includes a pair of pivotably mounted, juxtaposed jaws, wherein the jaws are movable at least between an open position and a closed position, and wherein a distal end of an actuation shaft is operatively engaged with the pair of jaws to effectuate opening and closing of the jaws. | 03-25-2010 |
20100094289 | Endoscopic Vessel Sealer and Divider Having a Flexible Articulating Shaft - An electrosurgical instrument for treating tissue includes a housing having a shaft extending therefrom having an axis A-A defined therethrough. The shaft is at least partially flexible and includes first and second jaw members attached at a distal end thereof. Each jaw member includes an electrically conductive tissue contacting surface adapted to connect to a source of electrosurgical energy such that the electrically conductive tissue contacting surfaces are capable of conducting electrosurgical energy through tissue held therebetween. A drive assembly is disposed in the housing and has a first actuator operably coupled to a drive rod for reciprocation thereof to move the jaw members from a first position in spaced relation to one another to a second position closer to one another for engaging tissue. A second actuator is disposed on the housing and is actuatable to articulate the shaft. | 04-15-2010 |
20110218562 | ROTARY KNIFE CUTTING SYSTEMS - A rotary cutting system for use with a surgical stapling device. The rotary cutting system generally includes a knife blade and a mainspring for imparting rotary motion to the circular knife blade. A hammer member is provided and is configured and adapted to engage the knife blade. | 09-08-2011 |
20120277768 | Axial Stitching Devices - An endoscopic stitching device is provided including an end effector configured and adapted to perform at least a pair of functions; and a single actuation cable operatively connected to the end effector, wherein the actuation cable is capable of effecting operation of at least the pair of functions. The actuation cable is capable of effecting a first operation of the pair of functions upon an axial translation thereof, and a second operation of the pair of functions upon a rotation thereof. | 11-01-2012 |
Patent application number | Description | Published |
20090003399 | Integrated Circuit Employing Low Loss Spot-Size Converter - An integrated circuit is provided with a photonic device and a spot-size converter waveguide device integrated on a common substrate. The spot-size converter waveguide device provides for transformation between a larger spot-size and a smaller spot-size corresponding to the photonic device. The spot-size converter waveguide device includes at least one of a bottom mirror and top mirror, which provide highly-reflective lower and upper cladding, respectively, for vertical confinement of light propagating through the waveguide device. The top mirror overlies opposing sidewalls of the spot-converter waveguide device, which provide highly-reflective sidewall cladding for lateral confinement of light propagating through the waveguide device. Advantageously, the highly-reflective lower cladding provided by the bottom mirror limits optical loss of the waveguide device. Similarly, the highly-reflective upper cladding and sidewall cladding provided by the top mirror limits optical loss of the waveguide device. | 01-01-2009 |
20100123121 | Thyristor Radiation Detector Array and Applications Thereof - An array of thyristor detector devices is provided having an epitaxial growth structure with complementary types of modulation doped quantum well interfaces located between a P+ layer and an N+ layer. The thyristor detector devices operate over successive cycles that each include a sequence of two distinct modes: a setup mode and a signal acquisition mode. During the setup mode, the n-type quantum well interface and/or the p-type quantum well interface is(are) substantially emptied of charge. During the signal acquisition mode, photocurrent is generated by the thyristor detector device in response to the absorption of incident electromagnetic radiation therein, which can induce the thyristor detector device to switch from an OFF state to an ON state. The OFF/ON state of the thyristor detector device produces an output digital electrical data that corresponds to the amount of incident radiation absorbed by the thyristor detector device during the signal acquisition mode of the current cycle. In the preferred embodiment, the array of thyristor detector devices is part of a monolithic integrated circuit that includes additional electronic circuitry and/or optical components. Moreover, the array of thyristor detector devices is preferably part of a monolithic integrated circuit for high angular resolution laser irradiation detection. | 05-20-2010 |
20140050022 | Thyristor Memory Cell Integrated Circuit - A semiconductor memory device including an array of memory cells (MC) formed on a substrate each realized from a load element and thyristor that define a switchable current path whose state represents a volatile bit value stored by the MC. At least one word line corresponding to a respective row of the array is formed on the substrate and coupled to MC current paths for the corresponding row. Bit lines corresponding to respective columns of the array are formed on the substrate and can be coupled to a modulation doped QW interface of the MC thyristors for the corresponding column. Circuitry is configured to apply an electrical signal to the word line(s) in order to generate current that programs phase change material of the MC load elements into one of a high or low resistive state according to state of the current path of the MCs for non-volatile backup purposes. | 02-20-2014 |
20140050242 | Optoelectric Integrated Circuit - A semiconductor device includes a substrate supporting a plurality of layers that include at least one modulation doped quantum well (QW) structure offset from a quantum dot in quantum well (QD-in-QW) structure. The modulation doped QW structure includes a charge sheet spaced from at least one QW by a spacer layer. The QD-in-QW structure has QDs embedded in one or more QWs. The QD-in-QW structure can include at least one template/emission substructure pair separated by a barrier layer, the template substructure having smaller size QDs than the emission substructure. A plurality of QD-in-QW structures can be provided to support the processing (emission, absorption, amplification) of electromagnetic radiation of different characteristic wavelengths (such as optical wavelengths in range from 1300 nm to 1550 nm). The device can realize an integrated circuit including a wide variety of devices that process electromagnetic radiation at a characteristic wavelength(s) supported by the QDs of the QD-in-QW structure(s). Other semiconductor devices are also described and claimed. | 02-20-2014 |
20140241660 | OPTICAL CLOSED LOOP MICRORESONATOR AND THYRISTOR MEMORY DEVICE - A monolithic semiconductor device that includes a waveguide structure optically coupled to an optical resonator. The optical resonator is adapted to process light at a predetermined wavelength. The optical resonator includes a closed loop waveguide having a plurality of straight sections that are optically coupled together by bend sections. | 08-28-2014 |
20150069217 | Imaging Cell Array Integrated Circuit - A semiconductor device is provided that includes an array of imaging cells realized from a plurality of layers formed on a substrate, wherein the plurality of layers includes at least one modulation doped quantum well structure spaced from at least one quantum dot structure. Each respective imaging cell includes an imaging region spaced from a corresponding charge storage region. The at least one quantum dot structure of the imaging region generates photocurrent arising from absorption of incident electromagnetic radiation. The at least one modulation doped quantum well structure defines a buried channel for lateral transfer of the photocurrent for charge accumulation in the charge storage region and output therefrom. The at least one modulation doped quantum well structure and the at least one quantum dot structure of each imaging cell can be disposed within a resonant cavity that receives the incident electromagnetic radiation or below a structured metal film having a periodic array of holes. | 03-12-2015 |
20150138881 | Thyristor Memory Cell Integrated Circuit - A semiconductor memory device including an array of memory cells (MC) formed on a substrate each realized from a load element and thyristor that define a switchable current path whose state represents a volatile bit value stored by the MC. At least one word line corresponding to a respective row of the array is formed on the substrate and coupled to MC current paths for the corresponding row. Bit lines corresponding to respective columns of the array are formed on the substrate and can be coupled to a modulation doped QW interface of the MC thyristors for the corresponding column. Circuitry is configured to apply an electrical signal to the word line(s) in order to generate current that programs phase change material of the MC load elements into one of a high or low resistive state according to state of the current path of the MCs for non-volatile backup purposes. | 05-21-2015 |
20150144872 | Optoelectronic Integrated Circuit - A semiconductor device includes a substrate supporting a plurality of layers that include at least one modulation doped quantum well (QW) structure offset from a quantum dot in quantum well (QD-in-QW) structure. The modulation doped QW structure includes a charge sheet spaced from at least one QW by a spacer layer. The QD-in-QW structure has QDs embedded in one or more QWs. The QD-in-QW structure can include at least one template/emission substructure pair separated by a barrier layer, the template substructure having smaller size QDs than the emission substructure. A plurality of QD-in-QW structures can be provided to support the processing (emission, absorption, amplification) of electromagnetic radiation of different characteristic wavelengths (such as optical wavelengths in range from 1300 nm to 1550 nm). The device can realize an integrated circuit including a wide variety of devices that process electromagnetic radiation at a characteristic wavelength(s) supported by the QDs of the QD-in-QW structure(s). Other semiconductor devices are also described and claimed. | 05-28-2015 |
20150349187 | POWER SEMICONDUCTOR DEVICE - A semiconductor device suitable for power applications includes a thyristor epitaxial layer structure defining an anode region offset vertically from a cathode region with a plurality of intermediate regions therebetween. An anode electrode is electrically coupled to the anode region. A cathode electrode is electrically coupled to the cathode region. A switchable current path that extends vertically between the anode region and the cathode region has a conducting state and a non-conducting state. An epitaxial resistive region is electrically coupled to and extends laterally from one of the plurality of intermediate regions. An FET is provided having a channel that is electrically coupled to the epitaxial resistive region. The FET can be configured to inject (or remove) electrical carriers into (or from) the one intermediate region via the epitaxial resistive region in order to switch the switchable current path between its non-conducting state and its conducting state. | 12-03-2015 |
20160025926 | Optoelectronic Integrated Circuitry for Transmitting and/or Receiving Wavelength-Division Multiplexed Optical Signals - A WDM transmitter and/or receiver optoelectronic integrated circuit includes a plurality of microresonators and corresponding waveguides and couplers that are integrally formed on a substrate. For the WDM transmitter, the microresonators and waveguides are configured to generate a plurality of optical signals at different wavelengths. Each coupler includes a resonant cavity waveguide that is configured to transmit one optical signal from one waveguide to the output waveguide such that the plurality of optical signals are multiplexed on the output waveguide. For the WDM receiver, an input waveguide is configured to provide for propagation of a plurality of optical signals at different wavelengths. Each coupler includes a resonant cavity waveguide that is configured to transmit at least one optical signal from the input waveguide to one waveguide. The waveguides and microresonators are configured to perform optical-to-electrical conversion of the plurality of optical signals at different wavelengths that propagate in the waveguides. | 01-28-2016 |
20160091663 | Optical Closed Loop Microresonator and Thyristor Memory Device - A semiconductor device that includes an optical resonator spaced from a waveguide structure to provide for evanescent-wave optical coupling therebetween. The optical resonator includes a closed loop waveguide defined by a vertical thyristor structure. In one embodiment, the vertical thyristor structure is formed by an epitaxial layer structure including complementary (both an n-type and a p-type) modulation doped quantum well interfaces formed between an N+ region and a P+ region. | 03-31-2016 |
20160091738 | Optical Closed Loop Microresonator and Thyristor Memory Device - A semiconductor device that includes an optical resonator spaced from a waveguide structure to provide for evanescent-wave optical coupling therebetween. The optical resonator includes a closed loop waveguide defined by an epitaxial layer structure that includes at least one quantum well. The semiconductor device also includes circuitry configured to supply an electrical signal that flows within the epitaxial layer structure of the closed loop waveguide. The electrical signal affects charge density in at least quantum well of the closed loop waveguide and controls refractive index of the closed loop waveguide. In one embodiment, the electrical signal is a DC current signal that flows within a vertical thyristor structure of the closed loop waveguide to control refractive index of the closed loop waveguide such that resonance frequency of the closed loop waveguide corresponds to a characteristic wavelength of light. | 03-31-2016 |
Patent application number | Description | Published |
20100233680 | Gene Expression Profiles and Methods of Use - The present invention relates to gene expression profiles, microarrays comprising nucleic acid sequences representing gene expression profiles, and methods of using expression profiles and microarrays. The invention also provides methods and compositions for diagnostic assays for detecting cancer and therapeutic methods and compositions for treating cancer. The invention also provides methods for designing, identifying, and optimizing therapeutics for cancer. | 09-16-2010 |
20110195110 | UREA COMPOUNDS USEFUL IN THE TREATMENT OF CANCER - Pyrazole urea compounds, pharmaceutical compositions which contain them and methods for treating cancer using them. | 08-11-2011 |
20130143762 | Gene expression profiles and methods of use - The present invention relates to gene expression profiles, microarrays comprising nucleic acid sequences representing gene expression profiles, and methods of using expression profiles and microarrays. The invention also provides methods and compositions for diagnostic assays for detecting cancer and therapeutic methods and compositions for treating cancer. The invention also provides methods for designing, identifying, and optimizing therapeutics for cancer. | 06-06-2013 |
Patent application number | Description | Published |
20090030736 | Method and system for a facility care benefit in an annuity providing lifetime benefit payments - A method and system provide an annuity contract with a payment base value, a contract value, lifetime benefit payments, and a death benefit, as well as the option of enhanced lifetime benefit payments for a period of time. An insured qualifies for these enhanced lifetime benefit payments when the insured is confined to a nursing home and fails two of six predetermined activities of daily living. The insured retains the option of returning to a lower level of lifetime benefit payments when the enhanced lifetime benefit payments are no longer necessary. The death benefit is reduced by the enhanced lifetime benefit payment withdrawals but the lifetime benefit payment continues to be paid, even if the contract value declines to zero. | 01-29-2009 |
20090030851 | Method and system for a step-up provision in a deferred variable annuity with a rising guranteed step-up - A computer implemented data processing system and method for administering a deferred variable annuity contract during the accumulation phase for a relevant life. The annuity contract has a payment base value, a contract value, and a step-up provision. Administration of the product determines whether a step-up of the payment base value is applicable. If applicable, the product determines a step-up, wherein the step-up is guaranteed at a predetermined percentage. The investments of the deferred variable annuity contract are not limited to a specific asset allocation in order to qualify for the step-up provision. | 01-29-2009 |
20110010310 | METHOD AND SYSTEM FOR A STEP-UP PROVISION IN A DEFERRED VARIABLE ANNUITY WITH A RISING GUARANTEED STEP-UP - A computer implemented data processing system and method for administering a deferred variable annuity contract during the accumulation phase for a relevant life. The annuity contract has a payment base value, a contract value, and a step-up provision. Administration of the product determines whether a step-up of the payment base value is applicable. If applicable, the product determines a step-up, wherein the step-up is guaranteed at a predetermined percentage. The investments of the deferred variable annuity contract are not limited to a specific asset allocation in order to qualify for the step-up provision. | 01-13-2011 |
Patent application number | Description | Published |
20090027211 | Electronic Swimmer Monitoring System - Electronic Tags are mounted on swimmers to reduce their risk of drowning by identifying when their heads are underwater for periods of time which may indicate a dangerous submersion situation, and for triggering corresponding alerts and alarms. In this method, each monitored person is equipped with a lightweight electronic Tag worn on the body that communicates with monitors that issue the alerts and alarms, including audible and visible distress signals. The monitors, in turn, communicate the alarms to receivers used by supervisory personnel, such as lifeguards or parents. The invention may be used in aquatic environments, such as public recreation facilities, pools, waterfronts, and water parks, as well as in more private settings, such as homes, apartment buildings or hotels. | 01-29-2009 |
20100026501 | Electronic Swimmer Monitoring System - Electronic Tags are mounted on swimmers to reduce their risk of drowning by identifying when their heads are underwater for periods of time which may indicate a dangerous submersion situation, and for triggering corresponding alerts and alarms. In this method, each monitored person is equipped with a lightweight electronic Tag worn on the body that communicates with monitors that issue the alerts and alarms, including audible and visible distress signals. The monitors, in turn, communicate the alarms to receivers used by supervisory personnel, such as lifeguards or parents. The invention may be used in aquatic environments, such as public recreation facilities, pools, waterfronts, and water parks, as well as in more private settings, such as homes, apartment buildings or hotels. | 02-04-2010 |
20110148642 | Reliable Sensing of Nose and Mouth Immersion - Electronic Tags are mounted on swimmers to reduce their risk of drowning by identifying when their heads are underwater for periods of time which may indicate a dangerous submersion situation, and for triggering corresponding alerts and alarms. In this method, each monitored person is equipped with a lightweight electronic Tag worn on the head that communicates with monitors that issue the alerts and alarms, including audible and visible distress signals. The Tags comprise electrodes mounted on each side of a swimmer's head that close a circuit when said swimmer's nose or mouth is in the water. After a certain period of time, if the circuit is still closed, an alarm is sent to said monitors. The monitors, in turn, communicate the alarms to receivers used by supervisory personnel, such as lifeguards or parents. The invention may be used in aquatic environments, such as public recreation facilities, pools, waterfronts, and water parks, as well as in more private settings, such as homes, apartment buildings or hotels. | 06-23-2011 |
20150194031 | Digital Swimmer Safety System - A digital swimmer safety system has a programmable radio communications device, such as a smart phone, in communication with a personal radio transmitter on a swimmer. The communications device established a digital connection with the radio transmitter and starts a timer if the signal is lost. The signal may be lost due to submergence of the transmitter in water. If the timer exceeds a threshold, then an alert is displayed. The communications device is configured to continue monitoring the swimmer in background mode so that the user of the device can run another app. The system can be configured so that multiple swimmers can be monitored by the same communications device and different threshold times can be set for each swimmer depending upon their swimming ability. | 07-09-2015 |