Steffen, US
Bryan P. Steffen, Oregon, WI US
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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 |
Carl Alan Steffen, Schertz, TX US
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20140102479 | ZONED FILTRATION FOR LIQUID-FILLED CONTAINERS - A system for removing material from a container includes a plurality of fluid delivery devices, one or more pumps, and a control system. The fluid delivery devices may include jets that can stream fluid across a surface of the container and pipes that can carry liquid to the jets. The control system can control flow to the fluid delivery devices to selectively allow flow from the system to two or more different zones in the container. | 04-17-2014 |
Cennert Steffen, Bloomington, IL US
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20080313846 | Vacuum Cleaner Nozzle Height Indicator - A nozzle height indicator for a vacuum cleaner. The nozzle height indicator has a height display adapted to be viewed by a user, a light source adapted to emit light, and a blocking member. The blocking member is adapted to be positioned in a first position in which it allows the light to illuminate the height display and a second position in which it substantially prevents the light from illuminating at least a portion of the height display. The blocking member may indicate the height of an associated vacuum cleaner inlet nozzle relative to a surface being cleaned. A vacuum cleaner inlet nozzle is also provided. | 12-25-2008 |
Craig Steffen, Maple Grove, MN US
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20130333664 | Engine Speed Management Control System for Cold Planers - An engine speed management control system for machines such as cold planers to regulate the idle engine speed as components of the machine are operated to perform functions while the engine is idling. An auto engine speed control routine may determine a combination of active functions of the components being performed and a corresponding idle engine speed to generate sufficient power and pressurized fluid flow to perform the functions. Upon detecting a change in the combination of active functions, the algorithm may change the idle engine speed as dictated by the new combination, or may wait for a specified delay period to determine whether further changes occur to the combination of active functions. | 12-19-2013 |
Craig M. Steffen, Maple Grove, MN US
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20130079999 | Rotor/Engine Speed Control for Cold Planer - Cold planers work in a variety of conditions where different rotor speeds can be beneficial. The rotor is connected directly to the engine via a clutch so the speed cannot be changed independent of the engine speed. The control system disclosed herein enables the operator to quickly select from a plurality of different engine/rotor speeds. The engine/rotor speeds correspond to different machine applications. Each speed corresponds to a point on the torque map for the particular cold planer that will offer acceptable machine performance for the particular application. If the operator inputs one of the plurality of different commands, a timer is activated and movement of the cold planer must take place within a predetermined time period or the engine speed is reduced to the elevated idle speed where the clutch is able to engage the rotor. | 03-28-2013 |
20130153310 | Suspension System and Control Method for Track-Propelled Machines - A suspension system for cold planer with four tracks is disclosed. The suspension system includes a hydraulic cylinder for each track, an additional bypass valve for each hydraulic cylinder and an additional bypass valve that bypasses the operation of the front control valves that control the elevation of the front tracks during a cutting operation. During transport or roading of the cold planer, the bypass valves are energized by a controller and the energized bypass valves provide communication between the head ends of the left side cylinders and the head ends of the right side cylinders. During roading, the energized bypass valves also provide communication between the rod ends of the front cylinders and between the rod ends of the rear cylinders. | 06-20-2013 |
Craig Martin Steffen, Maple Grove, MN US
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20160060828 | COLD PLANER HAVING INDEPENDENTLY CONTROLLED CONVEYORS - A conveyor system is disclosed for use with a cold planer having a milling drum. The conveyor system may have a primary conveyor configured to receive material from the milling drum, a first motor configured to drive the primary conveyor, a secondary conveyor configured to receive material from the primary conveyor, and a second motor configured to drive the primary conveyor. The conveyor system may also have a controller configured to selectively adjust a speed of the second motor independent of a speed of the first motor. | 03-03-2016 |
Daniel A. Steffen, Cupertino, CA US
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20150347189 | QUALITY OF SERVICE CLASSES - In one embodiment, tasks executing on a data processing system can be associated with a Quality of Service (QoS) classification that is used to determine the priority values for multiple subsystems of the data processing system. The QoS classifications are propagated when tasks interact and the QoS classes are interpreted a multiple levels of the system to determine the priority values to set for the tasks. In one embodiment, one or more sensors coupled with the data processing system monitor a set of system conditions that are used in part to determine the priority values to set for a QoS class. | 12-03-2015 |
Daniel Andreas Steffen, Mountain View, CA US
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20140237476 | CENTRALIZED TASK SCHEDULING - A method and apparatus that schedules and manages a background task for device is described. In an exemplary embodiment, the device registers the background task, where the registering includes storing execution criteria for the background task. The execution criteria indicates a criterion for launching the background task and the execution criteria based on a component status of the device. The device further monitors the running state of the device for an occurrence of the execution criteria. If the execution criteria occurs, the device determines an available headroom with the device in order to perform the background task and launches the background task if the background task importance is greater than the available device headroom, where the background task importance is a measure of how important it is for the device to run the background task. | 08-21-2014 |
Daniel Andreas Steffen, San Francisco, CA US
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20150346801 | METHOD AND APPARTUS FOR DISTRIBUTED POWER ASSERTION - A method and an apparatus for a power assertion management are described. A power assertion indicator may be maintained for a device component having a power level. The power assertion indicator can indicate whether the power level of the device component is allowed to be lowered. A power assertion request may be sent from a first process to prevent lowering the power level of the device component before a data processing task is completed. A second process can receive a request from the first process to perform operations for the data processing task. The power level of the device component may not be allowed to be lowered before the second process completes the operations for the data processing task. The power level of the device component may be lowered after the data processing task is completed. | 12-03-2015 |
20150347177 | METHOD AND APPARATUS FOR INTER PROCESS PRIORITY DONATION - A method and an apparatus for priority donations among different processes are described. A first process running with a first priority may receive a request from a second process running with a second priority to perform a data processing task for the second process. A dependency relationship may be identified between the first process and a third process running with a third priority performing separate data processing task. The dependency relationship may indicate that the data processing task is to be performed via the first process subsequent to completion of the separate data processing task via the third process. The third process may be updated with the second priority to complete the separate data processing task. The first process may perform the data processing task with the second priority for the second process. | 12-03-2015 |
20150347265 | ACTIVITY TRACING DIAGNOSTIC SYSTEMS AND METHODS - Systems and methods are disclosed for logging encoded diagnostic information from a sequence of processing operations, the processing operations generated by an activity in a computing environment. Diagnostic information is tracked by activity, across process boundaries where the processes can be in computationally isolated, or “sandboxed”. Within each process, diagnostic information for an activity is stored in an activity-specific buffer registered with a kernel in the computing environment. For each activity in the computing system, the kernel keeps a list of all processes that have performed, or are performing, a processing task of the activity. The kernel also keeps a reference to the activity-specific log buffers for the activity for each process associated with the activity. If a processing operation for an activity fails, all activity-specific logs from all processes that are associated with the activity can be collected. A report can be generated from the collected logs for the activity. | 12-03-2015 |
20150347271 | QUEUE DEBUGGING USING STORED BACKTRACE INFORMATION - When queuing work items for asynchronous execution, the approaches set forth herein enable a debugger to provide more meaningful and complete stack trace information for enqueued work items. An example system identifies a work item to be enqueued for asynchronous execution as a separate thread during runtime of a program. Upon enqueuing the work item in an execution queue, the system captures pre-queue stack trace information associated with the work item, and associates the pre-queue stack trace information with the work item. The system removes the work item from the execution queue for execution, wherein the execution is associated with current stack trace information separate from the pre-queue stack trace information. Upon detecting an event associated with executing the work item, the system merges the pre-queue stack trace information with the current stack trace information to yield a merged stack trace. | 12-03-2015 |
20150347743 | METHOD AND APPARATUS FOR INTER PROCESS PRIVILIGE TRANSFER - A method and an apparatus to dynamically distribute privileges among a plurality of processes are described. Each process may have attributes including a privilege to control access to processing resources. A first process may be running with a first privilege prohibited from access to a processing resource. A second process may be running with a second privilege allowed to access the processing resource. The first process may receive a request from the second process to perform a data processing task for the second process. In response, the second privilege may be dynamically transferred to the first process to allow the first process to access the processing resource. The first process may perform operations for the data processing task with the second privilege transferred from the second process. | 12-03-2015 |
Daniel G. Steffen, Long Beach Twp, NJ US
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20090005342 | Composition Having Blood Pressure Reducing and/or Elevation Suppressing Effect and Food and Drink Containing the Same - The present invention regards the composition having a blood pressure reducing and/or elevation suppressing effect comprising a mannose-based oligosaccharide mass comprising 1 to 10 molecules of monosaccharides linked together, said molecules mainly comprising mannose. It is the object of the present invention to provide an economical and simple food and drink which has an excellent blood pressure reducing and/or elevation suppressing effect without changing ordinary eating habits much, and a composition ingestible with a food and drink which effectively uses waste resources such as coffee extraction residues. | 01-01-2009 |
Deborah K. Steffen, Malone, WI US
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20090236272 | Modular Drinking Water Filtration System with Keyed Attachment of Filter Head to Mounting Bracket and Modular Back Plates - A modular filter system using replaceable filter cartridges includes a mounting bracket for each filter cartridge and corresponding filter head that includes keyed attachment of the head to the mounting ring on the mounting bracket and modular attachment of the mounting bracket to the modular back plate. Back plates are also modular to permit assembly of a variety of multi-cartridge systems. | 09-24-2009 |
Donn Steffen, Paulding, OH US
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20120026639 | METHODS AND SYSTEMS FOR TRANSIENT VOLTAGE PROTECTION - Protection of a motor controller from a transient voltage is described. A method for protecting a motor controller from a transient voltage includes providing an electromagnetic interference (EMI) filter having at least a first input terminal, a second input terminal, a first output terminal, and a second output terminal, the EMI filter configured to suppress electromagnetic interference. The method also includes coupling a first voltage clamping device and a second voltage clamping device in series between the first output terminal and the second output terminal. The method also includes coupling a spark gap device to a ground conductor and to a shared node between the first voltage clamping device and the second voltage clamping device. | 02-02-2012 |
Donn Edward Steffen, Paulding, OH US
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20150076941 | METHODS AND APPARATUS FOR MOUNTING A MOTOR CONTROLLER ON A STATOR ASSEMBLY - An electric machine includes a motor having a motor chassis having a first and second end, a stator assembly, and a rotor assembly. The electric machine includes a motor control assembly having a circuit board. The motor control assembly is attached to the stator assembly of the motor. A first end shield is attached to the first end of the motor chassis. The first end shield includes a first opening that is configured to enable a cooling air stream to pass therethrough to cool the motor and the motor control assembly. | 03-19-2015 |
Jay Steffen, Metamora, IL US
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20150198234 | Deaerator Apparatus - A seal carrier that is used to transmit hydraulic fluid to control pistons in a transmission includes a center passage and connecting passages to one or more oil passages. As the seal carrier rotates during operation, the seal carrier acts as a centrifuge and entrapped air in the hydraulic fluid is separated from the hydraulic fluid. The released air moves into the center passage and out through one of the connecting passages, ultimately to a tank or reservoir. A poppet valve in the hydraulic fluid drain rail maintains a positive pressure on the hydraulic fluid at all times to create a pressure differential between the central passage and the tank. | 07-16-2015 |
J. Michael Steffen, Oklahoma City, OK US
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20150282899 | Dental System - A dental system may be configured at least with a housing that engages a wire of a first dental assembly. The housing can have first and second portions that are connected via a fastener. A piston may be positioned within the housing and continuously extend from the housing to a mount of a second dental assembly. A compression member can be positioned within the housing to contact the first portion of the housing and the piston to apply continuous pressure on the piston in a selected direction. | 10-08-2015 |
John F. Steffen, Denver, NC US
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20120209233 | LIQUID MANAGEMENT LAYER FOR PERSONAL CARE ABSORBENT ARTICLES - A liquid management layer constructed from large diameter uncrimped fibers in the form of a spunbond nonwoven web is described. Embodiments of the liquid management layer can include a plurality of thermoplastic fibers in the form of a spunbond nonwoven web where the plurality of thermoplastic fibers are randomly oriented and uncrimped, where the liquid management layer has a maximum void volume of 25 cc/g and a web density of at least 0.05 g/cc, where the liquid management layer has a maximum thickness of 1.5 mm, a basis weight of at least 30 g/m | 08-16-2012 |
20130041335 | LIQUID BARRIER NONWOVEN FABRICS WITH RIBBON-SHAPED FIBERS - A nonwoven fabric useful as a component in a personal hygiene product and a nonwoven personal hygiene component, which is substantially free or free of non-ribbon shaped (e.g., round-shaped) spunbond fibers and includes a meltblown layer between and in direct contact with ribbon-shaped spunbond layers. The meltblown layer has a basis weight of at least about 0.008 gsm and not greater than about 5 gsm, and the nonwoven fabric or component has a basis weight of at least about 8 gsm and not greater than about 40 gsm, a pore size of less than or equal to about 27 microns when measured at 10% of cumulative filter flow. The nonwoven fabric also can have a low surface tension liquid strike through flow of less than 0.9 ml per second, a ratio of low surface tension liquid strike through flow to air permeability of greater than or equal to about 0.016, or both. Personal hygiene articles can incorporate the nonwoven fabric or component. | 02-14-2013 |
20140103556 | MULTI-ZONE SPINNERET, APPARATUS AND METHOD FOR MAKING FILAMENTS AND NONWOVEN FABRICS THEREFROM - A spinneret, apparatus, and method are provided for making filaments for fibrous nonwoven fabrics with more uniform filament and fabric formation while minimizing filament breaks and hard spot defects in webs and fabrics made therefrom. The spinneret has a spinneret body that has an overall length to hydraulic diameter ratio and defines orifices that extend through the spinneret body, wherein the orifices comprise capillaries that open at a face of the spinneret body for polymer filament extrusion therefrom, wherein the capillaries are arranged in a plurality of different rows at the face of the spinneret body, and wherein the plurality of different rows are arranged into a plurality of different zones at the face of the spinneret body. A spinneret body of the spinneret can have an overall length to hydraulic ratio of at least 3 percent and/or a zone-to-zone length to hydraulic ratio of at least 2% and/or the hydraulic diameters, lengths, and length to hydraulic diameter ratios can progressively increase or decrease zone-to-zone for at least three different zones of capillaries, which can be applied to cross-flow quench or quench from a single-side. The spinneret body is designed to better accommodate differing operational proximity of the various different zones to quench air sources or source at commercially useful throughputs and fiber uniformity. | 04-17-2014 |
John Frederick Steffen, Denver, NC US
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20150275404 | Nonwoven Having High Microbial Kill Rate And High Efficacy And Articles And Uses Therefrom - A fiber defined by a surface having a concentration of antimicrobial and a center having another concentration of antimicrobial is provided. The concentration of antimicrobial at the surface of the fiber is greater than the concentration of antimicrobial at the center of the fiber. Nonwovens manufactured from the fiber are also provided. The antimicrobial may include an antimicrobial heat labile component in conjunction with a carrier. | 10-01-2015 |
20160040323 | Self-Crimped Ribbon Fiber and Nonwovens Manufactured Therefrom - Multi-component fibers or filaments that are ribbon shaped are provided having polymer components positioned in a side-by-side fashion. For example, the multi-component fibers may be bicomponent fibers having ribbon shape. The polymer components of the fibers are selected to have differential shrinkage behavior. Nonwovens are also provided that are manufactured from such ribbon shaped multi-component fibers or filaments. | 02-11-2016 |
John Michael Steffen, North Liberty, IA US
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20110218444 | HINGED REUSABLE ENDOCAVITY NEEDLE GUIDE - A reusable needle guide suitable for an ultrasonic probe to be use for an endocavity examination of a patient is disclosed. The needle guide basically comprises at least a first and second guide members and a mounting (e.g., clamp) assembly. The clamp assembly serves to releasably mount the needle guide on the probe. The first guide member has a first passageway-forming surface. The second guide member has a second passageway-forming surface. The guide members are connected together to enable them to be pivoted from a closed orientation to an open orientation and vice versa. The first and second passageway-forming surfaces form an elongated passageway to guide a needle therethrough when in the closed orientation. The first and second passageway-forming surfaces are disposed at an angle to each other when they are in the open orientation, whereupon the first and second passageway-forming surfaces can be readily cleaned. | 09-08-2011 |
Joshua Steffen, El Paso, IL US
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20160138583 | Variable Retraction Rate Pump and Method for Operating Same - A pump system includes a pump and a storage volume in fluid communication with a discharge port of the pump. The pump includes a housing defining a pump bore and a pump piston disposed in sliding engagement with the pump bore, the pump piston being in selective fluid communication with the discharge port of the pump. A method for operating the pump system includes determining a time to drain an amount of a first fluid from the storage volume, and retracting the pump piston within the pump bore at a target retraction rate based at least partly on the time to drain the first fluid from the storage volume. | 05-19-2016 |
Joshua W. Steffen, El Paso, IL US
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20140053800 | Dual Fuel System Diagnostics For Dual Fuel Engine And Machine Using Same - A machine includes a machine body and a dual fuel compression ignition engine attached to the machine body. A dual fuel system is operably coupled to supply the engine with liquid diesel fuel and natural gas fuel directly into respective cylinders of the engine. The fuel system includes an insulated tank for storing the natural gas fuel, a pressure sensor positioned to measure fluid pressure within the tank, and a pump for drawing the natural gas fuel from the tank. An electronic controller is in communication with the pressure sensor and has a cryogenic system diagnostics algorithm executable thereon that is configured to receive a pressure signal from the pressure sensor, detect a cryogenic system fault based on the signal, and generate a notification signal based on the fault. | 02-27-2014 |
20140116520 | FUEL SYSTEM HAVING DUAL FUEL PRESSURE REGULATOR - A pressure regulator is disclosed for use with a dual fuel engine. The pressure regulator may have a body, a cavity formed in the body, a first inlet port in fluid communication with a first end of the cavity, a first outlet port in fluid communication with the first end of the cavity, and a second inlet port in fluid communication with a second end of the cavity. The pressure regulator may also have a valve element movable based on a pressure difference between the first and second inlet ports to any position between a first fully open position at which fluid is allowed to flow from the first inlet port through the first outlet port substantially unrestricted by the valve element, to a second fully restricted position at which fluid flow from the first inlet through the first outlet port is blocked. | 05-01-2014 |
20140116523 | FUEL SYSTEM HAVING DUAL FUEL PRESSURE REGULATOR - A pressure regulator is disclosed having a body, a valve seat dividing a cavity of the body into first and second portions, and an end stop movable against a bias to selectively engage the valve seat and isolate the first and second portions. The pressure regulator may also have a first inlet port in the first portion, a first outlet port in the second portion and in fluid communication with the first portion via the valve seat, and a second inlet port in the second portion. The fuel system may also have a valve element in the second portion and movable against a spring bias based on a pressure difference between an open position and a restricted position against the end stop. The fuel system may additionally have an actuator biased to urge the valve element toward the second position and selectively actuated to move away from the valve element. | 05-01-2014 |
20140130522 | Liquefied Gas Supply Conditioning System and Method - A conditioning system for a liquefied gas includes a source of liquefied gas, the liquefied gas provided from the source at a first temperature. A first heater is disposed to heat a flow of the liquefied gas to a second temperature. An accumulator is disposed to collect and store a quantity of the liquefied gas at the second temperature. A second heater is disposed to receive a flow of gas from the accumulator and the first heater, the second heater operating to heat the gas to a third temperature and provide the heated gas at the third temperature to a gas outlet. | 05-15-2014 |
20140130778 | METHOD OF OPERATING ENGINE - A method of operating an engine is disclosed. The method includes estimating an operational status of a cryogenic pump selectively driven by the engine. The cryogenic pump is configured to pressurize a liquefied gaseous fuel. The method also includes estimating a power requirement of the cryogenic pump. The method further includes determining whether the engine is operating on a lug curve. Moreover, the method includes providing additional fuel to the engine in order to increase an engine power beyond the lug curve prior to an operation of the cryogenic pump. The increase in engine power is at least equal to the power requirement of the cryogenic pump. | 05-15-2014 |
20140137572 | Natural Gas Vehicle Vented Gas Capture System - A natural gas fuel system is provided. The system includes a vent gas recapture tank, a liquid natural gas (LNG) storage tank operably connected to the vent gas recapture tank, and a pressure control regulator operably connected to the vent gas recapture tank and the LNG storage tank. Vent gas is released from at least one point on the fuel system and stored in the vent gas recapture tank when certain conditions are met. | 05-22-2014 |
20140174402 | DUAL FUEL SYSTEM HAVING A DAMPER - A dual fuel system for an engine is disclosed. The dual fuel system may have a first fuel supply providing a first fuel to the engine, and a second fuel supply providing a second fuel. The dual fuel system may also have a regulator configured to pass the second fuel from the second fuel supply to the engine, with the regulator also in fluid communication with the first fuel supply. The dual fuel system may further have a damper in fluid communication with the first fuel supply and an output of the regulator. | 06-26-2014 |
20140182551 | Gaseous Fuel System, Direct Injection Gas Engine System, and Method - The disclosure describes an engine system having liquid and gaseous fuel systems, each of which injects fuel directly into an engine cylinder. A controller controls pumping of a liquefied natural gas (LNG) in the gaseous fuel system. In a pump cycle, a pumping piston is moved in an intake direction over an intake stroke such that the pumping piston produces a negative pressure that draws LNG from a tank fluidly connected to the pumping element into a pumping chamber of a body of the pumping element. The pumping piston is moved in an opposing power direction over a power stroke such that the pumping piston pumps compressed LNG out of the pumping chamber away from the tank. The pumping piston is moved over the intake stroke with an average intake velocity and over the power stroke with an average power velocity, which is greater than the average intake velocity. | 07-03-2014 |
20140182552 | DUAL FUEL COMMON RAIL SYSTEM AND DIESEL ONLY METHOD OF OPERATING SAME - A dual fuel common rail system may be operated in a regular mode in which a relatively large charge of gaseous fuel is ignited by compression igniting a relatively small injection quantity of liquid diesel fuel. The dual fuel system may be operated in a single fuel limp home mode in which liquid diesel fuel is injected at higher pressures. Over pressurization of the gaseous fuel side of the fuel system due to leaked liquid fuel is avoided by regularly injecting leaked liquid fuel, but not gaseous fuel, from the gaseous nozzle outlet set during the limp home mode of operation. | 07-03-2014 |
20140182559 | Gaseous Fuel System, Direct Injection Gas Engine System, and Method - The disclosure describes an engine system having liquid and gaseous fuel systems, each of which injects fuel directly into an engine cylinder. A controller controls the pumping of a liquefied natural gas (LNG) in the gaseous fuel system using variable speeds for reciprocally moving a pumping piston of a pumping element with a drive assembly. The controller adjustably controls the drive assembly of the pump system to vary a time period for the pump cycle based upon a comparison of a pressure measured in the accumulator and a target pressure condition. When the accumulator pressure satisfies the target pressure condition, the controller is adapted to control the drive assembly such that the pumping element is in a creep mode in which the pumping piston continues to move, but produces no more than a nominal amount of compressed LNG. | 07-03-2014 |
Joshua W. Steffen, Mountain View, CA US
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20140069386 | LIMP HOME CAPABLE DUAL FUEL ENGINE AND MACHINE USING SAME - A dual fuel engine powers a machine by burning natural gas and liquid diesel fuel. When operating in a low load mode, some of the engine cylinders are fueled with a high ratio of diesel/gas, and the remaining cylinders are unfueled. When operating in a high load mode, all of the engine cylinders are fueled with a low ratio of diesel/gas. When operating in a limp home mode, the fuel injectors are configured to inject only diesel fuel into all of the plurality of engine cylinders. | 03-13-2014 |
Joshua Wayne Steffen, El Paso, IL US
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20140116283 | FUEL PRESSURE ACTUATED COUPLING FOR TRAIN CONSIST - The disclosure is directed to a coupling system for a train consist. The coupling system may include a first conduit associated with a locomotive of the train consist, a second conduit associated with a tender car of the train consist, and a fluid coupling connecting the first and second conduits. The coupling system may also include a first mechanical coupler associated with the locomotive and a second mechanical coupler associated with the tender car and configured to engage and lock with the first mechanical coupler. The coupling system may further include a locking device driven by fluid passing through the fluid coupling that is configured to inhibit disengagement of the first mechanical coupler and the second mechanical coupler. | 05-01-2014 |
20140123626 | Coolant Warm-Up Using Exhaust - The present disclosure is directed to a system for reducing the cold start time for a vehicle with a twin fuel engine. The system has an exhaust system, from which exhaust is discharged and collected on an exhaust manifold. A heat exchanger is positioned within the exhaust system, with coolant flow passages in thermal communication with the engine, and the heat exchanger. A control valve is coupled to a first flow path operable to direct the exhaust through the heat exchanger across the first flow path and a second flow path in selective amounts. | 05-08-2014 |
20140202429 | Compressed Natural Gas Fuel Mass Control System - A system, related method and computer program product are disclosed for controlling fuel mass of CNG received by an engine. The system may comprise a heat exchanger configured to receive CLNG and supply coolant and to output CNG and return coolant, an injector configured to inject CNG into the engine, a gas line between the injector and heat exchanger, a control valve configured to receive return coolant from the heat exchanger and to change the amount of return coolant flowing through control valve, and a controller connected to the control valve. The gas line may be configured to carry CNG from the heat exchanger to the injector. The controller may be configured to maintain a Gas Line Temperature within an operating range by adjusting the amount of return coolant flowing through the control valve based, at least in part, on the Gas Line Temperature and a Target Return Coolant Temperature. | 07-24-2014 |
20160102617 | FUEL SYSTEM HAVING MULTIPLE COMBUSTION MODES - A fuel system is disclosed that is capable of operating in multiple combustion modes. A method is also disclosed of operating a dual fuel engine in conjunction with the fuel system. The method may include detecting a performance parameter of gaseous fuel in the fuel system. The method may also include selecting a combustion mode from a plurality of combustion modes based on the performance parameter. The method may further include injecting gaseous fuel and liquid fuel into at least one cylinder of the engine according to an injection timing corresponding to the selected combustion mode. | 04-14-2016 |
Joshua Wayne Steffen, Mountain View, CA US
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20130333668 | Method and Apparatus for Generating Useful Work from the Vent Gas of a Dual Fuel Internal Combustion Engine - An engine system is disclosed that combusts both gaseous and diesel fuels. The system includes a diesel reservoir in communication with an internal combustion engine via a diesel rail. The system also includes a liquefied gaseous fuel reservoir in communication with the internal combustion engine via a gaseous fuel rail. The gaseous fuel and diesel rails both are in communication with a pressure control device. The pressure control device measures the pressure differential between the gaseous fuel and diesel rails. If the pressure differential exceeds a desired range, the pressure control device vents gaseous fuel from the gaseous fuel rail to a spark ignited engine, where the vent gas is used as fuel. The spark ignited engine then converts the vented gaseous fuel to useful work. | 12-19-2013 |
20140033941 | ENERGY RECOVERY SYSTEM FOR A MOBILE MACHINE - The disclosure is directed to an energy recovery system for a mobile machine. The mobile machine may include a locomotive and a tender car. The recovery system may include a tank located on the tender car. The tank may be configured to store a liquid fuel for combustion within a main engine located on the locomotive. The recovery system may also include a fuel delivery circuit connecting the tank to the main engine, and an auxiliary engine located on the locomotive. The auxiliary engine may be selectively connectable to receive gaseous fuel formed in the tank. The energy recovery system may also include a boil-off circuit connecting the tank to the auxiliary engine. | 02-06-2014 |
Mark J. Steffen, Louisville, KY US
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20090145104 | COMBINED CYCLE POWER PLANT WITH RESERVES CAPABILITY - A combined cycle (CC) power plant comprises a gas turbine; a steam turbine; a condenser; a heat recovery steam generator (HRSG), the HRSG comprising an attemperator and a high pressure superheater and attemperator, the high pressure superheater and attemperator disposed at a discharge terminal of the high pressure superheater and attemperator and at a discharge terminal of the HRSG reheater; a generator, and a fuel supply. The steam turbine is connected by multiple conduits to the heat recovery steam generator (HRSG) and the steam turbine exhaust is connected to the condenser wherein support multiple ancillary and reserves to load follow, execute regulation, and meet intermediate power generation service needs in an expedited start process. | 06-11-2009 |
Mark Joseph Steffen, Louisville, KY US
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20110162368 | Combined Cycle System Employing Phase Change Material - In one embodiment, a component for a power generation system includes an interior volume for containing steam condensate or gas turbine exhaust gas. A phase change material is disposed around an external surface of the combined cycle power generation system component. | 07-07-2011 |
20120111009 | SYSTEM FOR COOLING SYNGAS - A system includes a syngas cooler configured to cool a syngas. The syngas cooler includes a first syngas cooler section configured to cool the syngas and a second syngas cooler section configured to cool the syngas and generate a first superheated steam with an enthalpy of less than approximately 3800 kJ/kg. | 05-10-2012 |
Matthias Steffen, Yorktown Heights, NY US
Patent application number | Description | Published |
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20110012619 | Yield Improvement for Josephson Junction Test Device Formation - An apparatus for measuring component performance including a feed line having an input port and an output port, a first resonator connected to the feed line, and a first Josephson junction device connected to the first resonator and to ground. | 01-20-2011 |
20110022340 | Measuring Quantum States of Superconducting Resonators - A method for measuring the quantum state of a resonator includes, exciting an input port of a circuit with signal, measuring a phase shift of the signal at an output port of the circuit, wherein the resonator is coupled to the input and the output ports, and calculating a quantum state of the resonator as a function of the measured phase shift of the signal. | 01-27-2011 |
Matthias Steffen, Cortlandt Manor, NY US
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20090289638 | MICROWAVE READOUT FOR FLUX-BIASED QUBITS - A method for determining whether a quantum system comprising a superconducting qubit is occupying a first basis state or a second basis state once a measurement is performed is provided. The method, comprising: applying a signal having a frequency through a transmission line coupled to the superconducting qubit characterized by two distinct, separate, and stable states of differing resonance frequencies each corresponding to the occupation of the first or second basis state prior to measurement; and measuring at least one of an output power or phase at an output port of the transmission line, wherein the measured output power or phase is indicative of whether the superconducting qubit is occupying the first basis state or the second basis state. | 11-26-2009 |
20110175062 | MICROWAVE READOUT FOR FLUX-BIASED QUBITS - A method for determining whether a quantum system comprising a superconducting qubit is occupying a first basis state or a second basis state once a measurement is performed is provided. The method, comprising: applying a signal having a frequency through a transmission line coupled to the superconducting qubit characterized by two distinct, separate, and stable states of differing resonance frequencies each corresponding to the occupation of the first or second basis state prior to measurement; and measuring at least one of an output power or phase at an output port of the transmission line, wherein the measured output power or phase is indicative of whether the superconducting qubit is occupying the first basis state or the second basis state. | 07-21-2011 |
20120319085 | ARRAY OF QUANTUM SYSTEMS IN A CAVITY FOR QUANTUM COMPUTING - A device includes a volume bounded by electromagnetically conducting walls, an aperture in a bounding wall of the electromagnetically conducting walls, a plurality of quantum systems disposed within the volume and an electromagnetic field source coupled to the volume via the aperture. | 12-20-2012 |
20120319684 | MODULAR ARRAY OF FIXED-COUPLING QUANTUM SYSTEMS FOR QUANTUM INFORMATION PROCESSING - A quantum information processing system includes a first composite quantum system, a second composite quantum system, a plurality of electromagnetic field sources coupled to the system and an adjustable electromagnetic coupling between the first composite quantum system and the second composite quantum system. | 12-20-2012 |
20120326720 | MODULAR ARRAY OF FIXED-COUPLING QUANTUM SYSTEMS FOR QUANTUM INFORMATION PROCESSING - A quantum information processing system includes a first composite quantum system, a second composite quantum system, a plurality of electromagnetic field sources coupled to the system and an adjustable electromagnetic coupling between the first composite quantum system and the second composite quantum system. | 12-27-2012 |
20130029848 | LOW-LOSS SUPERCONDUCTING DEVICES - Low-loss superconducting devices and methods for fabricating low loss superconducting devices. For example, superconducting devices, such as superconducting resonator devices, are formed with a (200)-oriented texture titanium nitride (TiN) layer to provide high Q, low loss resonator structures particularly suitable for application to radio-frequency (RF) and/or microwave superconducting resonators, such as coplanar waveguide superconducting resonators. In one aspect, a method of forming a superconducting device includes foaming a silicon nitride (SiN) seed layer on a substrate, and forming a (200)-oriented texture titanium nitride (TiN) layer on the SiN seed layer. | 01-31-2013 |
20130196855 | SUPERCONDUCTING QUANTUM CIRCUIT HAVING A RESONANT CAVITY THERMALIZED WITH METAL COMPONENTS - A quantum electronic circuit device includes a housing having an internal resonant cavity, a qubit disposed within a volume of the internal resonant cavity and a non-superconducting metallic material mechanically and thermally coupled to the qubit within the internal resonant cavity and contiguously extending to the exterior of the housing. | 08-01-2013 |
20140235450 | MULTI-TUNABLE SUPERCONDUCTING CIRCUITS - A method of characterizing a tunable superconducting circuit, includes selecting an operating direct current (DC) flux for a first charge island from a plurality of coupled charge islands residing in the tunable superconducting circuit coupled to a first resonator and a second resonator, tuning operating DC flux values for at least two charge islands from the plurality of coupled charge islands, measuring coupling energies of the first resonator and the second resonator and measuring frequencies from each of the plurality of coupled charge islands. | 08-21-2014 |
20140264285 | MULTIPLE-QUBIT WAVE-ACTIVATED CONTROLLED GATE - A device includes a housing, at least two qubits disposed in the housing and a resonator disposed in the housing and coupled to the at least two qubits, wherein the at least two qubits are maintained at a fixed frequency and are statically coupled to one another via the resonator, wherein energy levels |03> and |12> are closely aligned, wherein a tuned microwave signal applied to the qubit activates a two-qubit phase interaction. | 09-18-2014 |
20140264287 | REMOVAL OF SPURIOUS MICROWAVE MODES VIA FLIP-CHIP CROSSOVER - A coplanar waveguide device includes a coplanar waveguide structure disposed on a substrate, at least one qubit coupled to the coplanar waveguide structure and an add-on chip having a metallized trench, and disposed over the substrate. | 09-18-2014 |
20140368234 | MULTIPLE-QUBIT WAVE-ACTIVATED CONTROLLED GATE - A device includes a housing, at least two qubits disposed in the housing and a resonator disposed in the housing and coupled to the at least two qubits, wherein the at least two qubits are maintained at a fixed frequency and are statically coupled to one another via the resonator, wherein energy levels |03> and |12> are closely aligned, wherein a tuned microwave signal applied to the qubit activates a two-qubit phase interaction. | 12-18-2014 |
20150028970 | MULTI-TUNABLE SUPERCONDUCTING CIRCUITS - A tunable superconducting circuit includes a first charge island, a second charge island, a third charge island, a fourth charge island, a first junction loop electrically coupled to the first and third charge islands, a second junction loop coupled to the second and third charge islands and a third junction loop coupled to the third and fourth charge islands, wherein the first, second and third junction loops are tuned in frequency to operate together as a qubit. | 01-29-2015 |
20160112031 | TUNABLE SUPERCONDUCTING NOTCH FILTER - A technique relates to a superconductor tunable notch filter. A Josephson junction filter array is connected to a coupling pad and connected to ground. The Josephson junction filter array includes a filter inductance. The Josephson junction filter array connected to the coupling pad forms a filter capacitance. A Josephson junction bias array is connected to the coupling pad and connected to a current source. The Josephson junction bias array includes a bias inductance. A transmission line is connected to the coupling pad in which connection of the transmission line and the coupling pad forms a coupling capacitance, such that the filter inductance and the filter capacitance connect to the transmission line through the coupling capacitance. The Josephson junction filter array includes a notch filter frequency that is tunable according to a magnitude of a current bias from the current source. | 04-21-2016 |
Michael Steffen, West Hills, CA US
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20130061383 | HIGH FLOW WATER RETURN FITTING FOR SWIMMING POOLS AND SPAS - The high flow water return fitting of the present invention is designed to connect directly to the end of a water return pipe in a swimming pool, spa, or the like. Water return fittings have been available for many years and have the primary purpose of returning filtered water back into a swimming pool, spa, or the like. However, the water return fitting of the present invention does not only return water into the swimming pool, it also substantially increases the water outflow so that a greater area of water in the pool can be circulated or agitated. The present invention has a uniquely curved nozzle with a flat flange. Both the curvature of the nozzle and the flat flange promote the accumulation of water within the nozzle so as to build up pressure that then pushes the water out a small outlet hole at a greater rate than does a conventional water return fitting. The outflow from the nozzle then creates a low pressure condition within a mixing chamber. Thus, the low pressure condition draws water in from the swimming pool through various louvers into the mixing chamber where it is mixed with the outflow of water from the nozzle to increase the total amount of water flowing out of the water return fitting of the present invention. | 03-14-2013 |
Michael Steffen, Lee'S Summit, MO US
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20140361126 | SYSTEMS AND METHOD FOR CONTROLLING WARNINGS AT VEHICLE CROSSINGS - A method includes receiving an absolute time associated with movement of a vehicle system, modifying the absolute time into a relative time, and controlling one or more warning devices using the relative time. A system includes a crossing module configured to receive an absolute time associated with movement of a vehicle system. The crossing module is configured to modify the absolute time into a relative time and to control one or more warning devices using the relative time. | 12-11-2014 |
Michael Steffen, Cedar Rapids, IA US
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20140223203 | SYSTEM AND METHOD FOR CREATING HIGH POWERED EMC COMPLIANT POWER SUPPLY FOR INDUSTRIAL AND MILITARY APPLICATIONS - The present invention is an apparatus and method for provisioning a compact power filter connection to a well-grounded connector in such a way as to include a capacitive and inductive circuit connection, extremely near the connector and filter, such that EMC compatibility is created in a space roughly 30% of traditional mechanisms and design approach to satisfy the aforementioned needs, provide the previously stated objects, include the above-listed features, and achieve the already articulated advantages. The present invention is carried out in a “post-internal ferrite bead re-radiation noise-less” manner, in a sense that ability to have noise introduced back onto a post-ferrite bead line has been greatly reduced. | 08-07-2014 |
Michael A. Steffen, Machesney Park, IL US
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20140266753 | METHODS AND APPARATUS FOR SENSING MOTION OF A PORTABLE CONTAINER AND PROVIDING HUMAN PERCEPTIBLE INDICIA BASED ON THE SENSED MOTION - Embodiments of systems and methods include a sensor subsystem (e.g., within a container-mounted device) that produces a sensor output, and a processing system that implements a state machine. Upon entry into a first state, the processing system starts a timer, and while in a second state, the processing system waits for a specific sensor output value to be received. The processing system transitions from the first state to the second state upon expiration of the timer, and the processing system transitions from the second state to the first state when the sensor output corresponds to the specific sensor output value. When the state machine is in the second state, the output device produces a human-perceptible indicia configured to prompt a human user to perform an action that is likely to cause the sensor to produce the sensor output that corresponds to the specific sensor output value. | 09-18-2014 |
Nicholas Steffen, Redondo Beach, CA US
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20080212730 | PLL/DLL dual loop data synchronization - A dual loop (PLL/DLL) data synchronization system and method for plesiochronous systems is provided. A dual loop data serializer includes a phase lock loop (PLL) and a delayed lock loop (DLL) configured with a phase shifter in the feedback path of the PLL. The dual loop serializer locks to the input of the DLL instead of the local reference. Thus, the DLL adjusts the frequency from the PLL so that it matches the desired data rate. Each loop may be optimized for jitter tolerance with the net effect generating a synthesized clean clock (due to narrow bandwidth filtering) and VCO noise suppression (due to wide bandwidth filtering). A dual loop retimer includes a dual loop serializer (PLL/DLL) and a clock recovery DLL. The retimer resets the jitter budget to meet transmission requirements for an infinite number of repeater stages. | 09-04-2008 |
Nicholas R. Steffen, Redondo Beach, CA US
Nicholas Robert Steffen, Redondo Beach, CA US
Patent application number | Description | Published |
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20100166132 | PLL/DLL DUAL LOOP DATA SYNCHRONIZATION - A dual loop (PLL/DLL) data synchronization system and method for plesiochronous systems is provided. A dual loop data serializer includes a phase lock loop (PLL) and a delayed lock loop (DLL) configured with a phase shifter in the feedback path of the PLL. The dual loop serializer locks to the input of the DLL instead of the local reference. Thus, the DLL adjusts the frequency from the PLL so that it matches the desired data rate. Each loop may be optimized for jitter tolerance with the net effect generating a synthesized clean clock (due to narrow bandwidth filtering) and VCO noise suppression (due to wide bandwidth filtering). A dual loop retimer includes a dual loop serializer (PLL/DLL) and a clock recovery DLL. The retimer resets the jitter budget to meet transmission requirements for an infinite number of repeater stages. | 07-01-2010 |
Nick Steffen, Redondo Beach, CA US
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20140043008 | METHODS AND APPARATUS FOR DYNAMIC VOLTAGE TRANSITION - Methods and apparatus for power regulation according to various aspects of the present invention may operate in conjunction with producing a voltage ramp starting at a first voltage and ending at a second voltage and compensating the voltage ramp according to a compensation parameter. The compensation parameter may be adapted to compensate for a circuit parameter. A voltage may then be generated according to the compensated voltage ramp. | 02-13-2014 |
20150338871 | Voltage Regulation System and Method for Providing Power to a Load - A voltage regulation system for providing power to a load is provided. The voltage regulation system includes a voltage regulator operable to set an operating voltage of the load at a first voltage level which corresponds to a first voltage requirement of the load, receive a second voltage requirement of the load which is different than the first voltage requirement and produce a voltage ramp from the first voltage level to the second voltage level. The voltage regulator is further operable to transition the operating voltage from the first voltage level to the second voltage level at a same ramp rate as the voltage ramp and with a lag between the voltage ramp and the transition in the operating voltage. | 11-26-2015 |
Phillip J. Steffen, Avon, IN US
Patent application number | Description | Published |
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20110167780 | VARIABLE GEOMETRY HYSTERESIS CONTROL FOR A GAS TURBINE ENGINE - One embodiment of the present application is a gas turbine engine with a compressor that includes a variable geometry mechanism to vary working fluid flow area. A desired state of this mechanism is selected different than a current state to change the amount of flow area. The mechanism has a hysteresis band corresponding to a difference between increasing the flow area to reach the desired state and decreasing the flow area to reach the desired state. To control operation of the mechanism within this hysteresis band, a determination is made whether the desired state corresponds to a greater flow area or a lesser flow area relative to the current state. | 07-14-2011 |
Robert Steffen, Webster, NY US
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20090059164 | SOFT CONTACT LENSES DISPLAYING SUPERIOR ON-EYE COMFORT - The present invention relates to soft contact lenses having an overall comfort preference of at least about 2 to 1 as compared to an Acuvue® contact lens and measured after one week of daily wear. The present invention further relates to a soft contact lens comprising an oxygen transmissibility greater than about 70 barrers/mm and physical properties suitable to provide wearer comfort over at least about 9 hours in at least about 80% of wearers, as measured in a randomized, double masked clinical study. | 03-05-2009 |
Robert B. Steffen, Webster, NY US
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20130208236 | COMFORTABLE OPHTHALMIC DEVICE AND METHODS OF ITS PRODUCTION - This invention relates to comfortable ophthalmic devices and methods of producing such devices. | 08-15-2013 |
20130225715 | BIOMEDICAL DEVICES CONTAINING INTERNAL WETTING AGENTS - This invention includes a wettable biomedical device containing a high molecular weight hydrophilic polymer and a hydroxyl-functionalized silicone-containing monomer. | 08-29-2013 |
20130237631 | BIOMEDICAL DEVICES CONTAINING INTERNAL WETTING AGENTS - This invention includes a wettable biomedical device containing a high molecular weight hydrophilic polymer and a hydroxyl-functionalized silicone-containing monomer. | 09-12-2013 |
20140185005 | COMFORTABLE OPHTHALMIC DEVICE AND METHODS OF ITS PRODUCTION - This invention relates to comfortable ophthalmic devices and methods of producing such devices. | 07-03-2014 |
20140240661 | CONTACT LENSES - The invention provides silicone hydrogel contact lenses that exhibit reduced back surface debris and reduced incidence of superior epithelial arcurate lesions. | 08-28-2014 |
20150041736 | BIOMEDICAL DEVICES CONTAINING INTERNAL WETTING AGENTS - This invention includes a wettable biomedical device containing a high molecular weight hydrophilic polymer and a hydroxyl-functionalized silicone-containing monomer. | 02-12-2015 |
20150219928 | COMFORTABLE OPHTHALMIC DEVICE AND METHODS OF ITS PRODUCTION - This invention relates to comfortable ophthalmic devices and methods of producing such devices. The ophthalmic devices are contacted with a wetting agent and heated to a temperature of at least about 50° C. to about 150° C. | 08-06-2015 |
20150293266 | BIOMEDICAL DEVICES CONTAINING INTERNAL WETTING AGENTS - This invention includes a wettable biomedical device containing a high molecular weight hydrophilic polymer and a hydroxyl-functionalized silicone-containing monomer. | 10-15-2015 |
Robert H. Steffen, Decatur, IN US
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20160036302 | ELECTRIC MACHINE, MACHINE CONTROLLER AND ASSOCIATED METHOD - An electric machine is provided. The electric machine includes stator having an electromagnetic coil and a rotor. The rotor is configured to rotate relative to the stator. The electric machine thriller includes a controller. The controller is adapted to control the electromagnetic oil. The controller includes a plurality of electrical components and an isolation member. The isolation member includes a first portion positioned in a first direction between two adjacent electrical components of the plurality of electrical components and a second portion positioned in a second direction normal to the first direction. | 02-04-2016 |
Robert Paul Steffen, Arvada, CO US
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20090048262 | COMBINATION OF 10-PROPARGYL-10-DEAZAAMINOPTERIN AND ERLOTINIB FOR THE TREATMENT OF NON-SMALL CELL LUNG CANCER - The present invention relates to compositions comprising a combination of 10-propargyl-10-deazaminopterin and an EGFR Kinase inhibitor, including erlotinib, for treatment of non-small cell lung cancer, and methods of treatment for non-small cell lung cancer in a patient in need thereof comprising administering for combination of 10-propargyl-10-deazaminopterin and an EGFR Kinase inhibitor, including erlotinib, for treatment of non-small cell lung cancer. | 02-19-2009 |
Robert S. Steffen, Four Seasons, MO US
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20090212955 | Systems and Methods for Indicating the Presence of a Child in a Vehicle - Systems and methods which provide for an alarm or notification that a child is in a car seat, The systems generally determine if a child is in the seat and that the seat, and therefore the vehicle, is not in motion Upon detecting both situations, the notification or alarm is activated. | 08-27-2009 |
20120232749 | Systems and Methods for Indicating the Presence of a Child in a Vehicle - Systems and methods which provide for an alarm or notification that a child is in a car seat. The systems generally determine if a child is in the seat and that the seat, and therefore the vehicle, is not in motion. Upon detecting both situations, the notification or alarm is activated. The system will generally provide for an alarm to a smartphone or other remote notification device to improve the likelihood that the alarm will be received. | 09-13-2012 |
20130278408 | Systems and Methods for Indicating the Presence of a Child in a Vehicle - Systems and methods which provide for an alarm or notification that a child is in a car seat. The systems generally determine if a child is in the seat and that the seat, and therefore the vehicle, is not in motion. Upon detecting both situations, the notification or alarm is activated. | 10-24-2013 |
20140184404 | Systems and Methods for Indicating the Presence of a Child in a Vehicle - Systems and methods which provide for an alarm or notification that a child is in a car seat. The systems generally determine if a child is in the seat and that the seat, and therefore the vehicle, is not in motion. Upon detecting both situations, the notification or alarm is activated. The system will generally provide for an alarm to a smartphone or other remote notification device to improve the likelihood that the alarm will be received. | 07-03-2014 |
Roger J. Steffen, Cupertino, CA US
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20120029965 | SELECTING A PROJECT PORTFOLIO - Disclosed embodiments relate to selecting a project portfolio. A processor may select a project portfolio based on a list of projects and lists of objectives. In one embodiment, a project portfolio is selected from the list of projects based on the degree to which each project portfolio fulfills the lists of objectives. The lists of objectives may be stakeholder objectives. | 02-02-2012 |
Ronald W. Steffen, Springfield, IL US
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20150134210 | SYNCHRONIZATION OF A TWIN ROW PLANTING SYSTEM - There is disclosed a single and twin and multiple row planting system configured to be adapted to a planter including a motor drive seed dispenser that is controlled by a planting controller that deposits seeds with a predetermined seed spacing that accommodates differing individual planter row speeds and terrain. In particular, a distance-based seed tagging system and method are used to achieve the desired seed spacing and seed stagger configurations. | 05-14-2015 |
Ted Steffen, Byron Center, MI US
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20090174131 | CAM CLAMP - A clamp having a first member ( | 07-09-2009 |