Inventor · disambiguated record
Steven E. Schulz
Also filed as: SCHULZ STEVEN · SCHULZ STEVEN E · SCHULZ STEVEN ERNEST · SCHULZ STEVEN M
135 granted patents·16 pending applications·1,975 citations·filing 1999–2025
99Inventor score
Files withGM GLOBAL TECH OPERATIONS INC46RIVIAN IP HOLDINGS LLC36GEN MOTORS CORP20FARADAY&FUTURE INC15SCHULZ STEVEN E7
Top patents by PatentIndex Score
151 records- 0198US9241428B1Inverter assemblyFARADAY & FUTURE INC·Filed 2015·Granted Jan 19, 2016·34 cites·20 claims
- 0298US8354817B2Methods and systems for diagnosing stator windings in an electric motorGM GLOBAL TECH OPERATIONS INC·Filed 2009·Granted Jan 15, 2013·79 cites·18 claims
- 0398US8054084B2Methods and systems for diagnosing stator windings in an electric motorGM GLOBAL TECH OPERATIONS INC·Filed 2009·Granted Nov 8, 2011·89 cites·20 claims
- 0497US7768220B2Harmonic torque ripple reduction at low motor speedsGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted Aug 3, 2010·55 cites·20 claims
- 0597US6894454B2Position sensorless control algorithm for AC machineGEN MOTORS CORP·Filed 2002·Granted May 17, 2005·77 cites·19 claims
- 0696US11802919B2Systems and methods for remotely testing continuity of electrical wiringRIVIAN IP HOLDINGS LLC·Filed 2020·Granted Oct 31, 2023·3 cites·11 claims
- 0796US8421391B2Electric motor stator winding temperature estimation systems and methodsYEH CHIA-CHOU·Filed 2010·Granted Apr 16, 2013·24 cites·20 claims
- 0896US7952308B2Method and apparatus for torque ripple reductionGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted May 31, 2011·42 cites·20 claims
- 0996US7002318B1Position sensor fault tolerant control for automotive propulsion systemGEN MOTORS CORP·Filed 2004·Granted Feb 21, 2006·105 cites·18 claims
- 1095US8487575B2Electric motor stator winding temperature estimationYEH CHIA-CHOU·Filed 2009·Granted Jul 16, 2013·30 cites·13 claims
- 1195US7839108B2Electric motor stator winding temperature estimationGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted Nov 23, 2010·32 cites·18 claims
- 1295US6972534B1Delay compensation for stable current regulation when using variable-delay random PWM switchingGEN MOTORS CORP·Filed 2004·Granted Dec 6, 2005·67 cites·12 claims
- 1394US8583265B1Methods, systems and apparatus for computing a voltage advance used in controlling operation of an electric machineSCHULZ STEVEN E·Filed 2012·Granted Nov 12, 2013·14 cites·18 claims
- 1494US6924617B2Position sensorless control algorithm for AC machineGEN MOTORS CORP·Filed 2003·Granted Aug 2, 2005·59 cites·18 claims
- 1593US7411801B2Method and apparatus for controlling voltage linearity of voltage source invertersGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Aug 12, 2008·37 cites·20 claims
- 1692US8362732B2Motor phase winding fault detection method and apparatusGM GLOBAL TECH OPERATIONS INC·Filed 2010·Granted Jan 29, 2013·13 cites·17 claims
- 1792US7023168B1Field weakening motor control system and methodGEN MOTORS CORP·Filed 2004·Granted Apr 4, 2006·52 cites·16 claims
- 1892US6763622B2Amplitude detection method and apparatus for high frequency impedance tracking sensorless algorithmGEN MOTORS CORP·Filed 2002·Granted Jul 20, 2004·48 cites·18 claims
- 1991US9768719B2Methods and apparatus for generating current commands for an interior permanent magnet (IPM) motorFARADAY&FUTURE INC·Filed 2015·Granted Sep 19, 2017·5 cites·24 claims
- 2091US8867181B2Protection of motor drive systems from current sensor faultsHASAN S M NAYEEM·Filed 2011·Granted Oct 21, 2014·13 cites·14 claims
- 2191US7768807B2Bidirectional no load control with overshoot protectionGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Aug 3, 2010·35 cites·14 claims
- 2291US7391181B2Loss minimized PWM for voltage source inverters taking into account inverter non-linearityGEN MOTORS CORP·Filed 2006·Granted Jun 24, 2008·33 cites·16 claims
- 2391US7307401B2Method and apparatus for PWM control of voltage source inverterGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Dec 11, 2007·35 cites·20 claims
- 2490US9481254B1System and method for improving acceleration performance of an electric vehicleFARADAY&FUTURE INC·Filed 2016·Granted Nov 1, 2016·7 cites·15 claims
- 2590US8754603B2Methods, systems and apparatus for reducing power loss in an electric motor drive systemARNETT MICHAEL·Filed 2011·Granted Jun 17, 2014·10 cites·20 claims
- 2690US7211984B2Start-up and restart of interior permanent magnet machinesGEN MOTORS CORP·Filed 2004·Granted May 1, 2007·40 cites·7 claims
- 2790US6841969B1Flux observer in a sensorless controller for permanent magnet motorsGEN MOTORS CORP·Filed 2003·Granted Jan 11, 2005·45 cites·18 claims
- 2889US11533013B1Pulse width modulation clock synchronizationRIVIAN IP HOLDINGS LLC·Filed 2021·Granted Dec 20, 2022·1 cites·15 claims
- 2989US10135355B2Inverter DC bus bar assemblyFARADAY&FUTURE INC·Filed 2015·Granted Nov 20, 2018·7 cites·13 claims
- 3089US7642737B2Anti-windup control for a current regulator of a pulse width modulation inverterGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Jan 5, 2010·21 cites·18 claims
- 3188US10326378B2Inverter assemblyFARADAY & FUTURE INC·Filed 2015·Granted Jun 18, 2019·5 cites·17 claims
- 3288US7863850B2Apparatus, system, and method for simulating outputs of a resolver to test motor-resolver systemsGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Jan 4, 2011·16 cites·18 claims
- 3387US12296711B2Bidirectional series connected totem pole for split phase DCACRIVIAN IP HOLDINGS LLC·Filed 2023·Granted May 13, 2025·1 cites·18 claims
- 3487US11827113B2Charge coupler safety interlock systems and methodsRIVIAN IP HOLDINGS LLC·Filed 2021·Granted Nov 28, 2023·2 cites·20 claims
- 3587US8649887B2Methods, systems and apparatus for implementing dithering in motor drive system for controlling operation of an electric machineSCHULZ STEVEN E·Filed 2012·Granted Feb 11, 2014·8 cites·19 claims
- 3687US7659688B2Method and system for resolver alignment in electric motor systemGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Feb 9, 2010·18 cites·20 claims
- 3787US2025364922A1Solid-state autotransformerRIVIAN IP HOLDINGS LLC·Filed 2025·Application pending·0 cites
- 3886US9784768B2Dual gap current sensor for multi phase conduction systemFARADAY & FUTURE INC·Filed 2016·Granted Oct 10, 2017·3 cites·18 claims
- 3986US9762164B2Methods and apparatus for generating current commands for an interior permanent magnet (IPM) motorFARADAY & FUTURE INC·Filed 2015·Granted Sep 12, 2017·3 cites·14 claims
- 4086US7622877B2Method and system for controlling permanent magnet AC machinesGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Nov 24, 2009·16 cites·20 claims
- 4186US7595600B2Method and system for torque control in permanent magnet machinesGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Sep 29, 2009·17 cites·20 claims
- 4286US6154381AHigh efficiency power system with plural parallel DC/DC convertersGEN MOTORS CORP·Filed 1999·Granted Nov 28, 2000·117 cites·14 claims
- 4384US11712967B2Torque-equalizing fault response for electric vehicleRIVIAN IP HOLDINGS LLC·Filed 2021·Granted Aug 1, 2023·1 cites·14 claims
- 4484US9608545B1Switching interference suppression in motor driving circuits using space vector pulse width modulation (PWM)FARADAY & FUTURE INC·Filed 2016·Granted Mar 28, 2017·5 cites·17 claims
- 4584US6646407B2Electric motor control having DC-DC converter and method of using sameGEN MOTORS CORP·Filed 2001·Granted Nov 11, 2003·30 cites·16 claims
- 4684US6166934AHigh efficiency power system with plural parallel DC/DC convertersGEN MOTORS CORP·Filed 1999·Granted Dec 26, 2000·98 cites·16 claims
- 4783US11218080B2Inverter AC bus bar assemblyFARADAY & FUTURE INC·Filed 2015·Granted Jan 4, 2022·5 cites·8 claims
- 4883US7459874B2System and method for controlling electric drive systemsGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Dec 2, 2008·20 cites·20 claims
- 4983US2025309671A1Controllers, devices, and methods for controlling direct current fast charging devicesRIVIAN IP HOLDINGS LLC·Filed 2025·Application pending·0 cites
- 5082USD851114SDisplay screen with user interfaceMODULUS MEDIA SYSTEMS INC·Filed 2018·Granted Jun 11, 2019·21 cites·1 claims
Showing the top 50 of 151 patent records by PatentIndex Score.
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