Inventor · disambiguated record
William R. Cawthorne
Also filed as: CAWTHORNE WILLIAM R
70 granted patents·5 pending applications·1,237 citations·filing 2003–2023
99Inventor score
Files withGM GLOBAL TECH OPERATIONS INC26GEN MOTORS CORP12GM GLOBAL TECH OPERATIONS LLC7BUUR HANNE4CAWTHORNE WILLIAM R4
Top patents by PatentIndex Score
75 records- 0199US6868318B1Method for adjusting battery power limits in a hybrid electric vehicle to provide consistent launch characteristicsGEN MOTORS CORP·Filed 2003·Granted Mar 15, 2005·291 cites·18 claims
- 0298US9108633B1Hybrid powertrain and method of controlling sameGM GLOBAL TECH OPERATIONS INC·Filed 2014·Granted Aug 18, 2015·42 cites·27 claims
- 0397US8483935B2Method for controlling internal combustion engines in hybrid powertrainsWHITNEY CHRISTOPHER E·Filed 2010·Granted Jul 9, 2013·36 cites·11 claims
- 0495US7279862B1Fault handling of inverter driven PM motor drivesGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Oct 9, 2007·62 cites·15 claims
- 0594US8583265B1Methods, 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
- 0694US7999668B2Series interlock system with integrated ability to identify breached locationsGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted Aug 16, 2011·34 cites·20 claims
- 0794US7908064B2Optimal selection of input torque considering battery utilization for a hybrid electric vehicleGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Mar 15, 2011·32 cites·16 claims
- 0893US7200476B2Optimal selection of input torque considering battery utilization for a hybrid electric vehicleGEN MOTORS CORP·Filed 2004·Granted Apr 3, 2007·68 cites·13 claims
- 0992US10505538B1Dynamic gate drive system and control methodGM GLOBAL TECH OPERATIONS LLC·Filed 2019·Granted Dec 10, 2019·15 cites·20 claims
- 1091US8594867B2System architecture for a blended braking system in a hybrid powertrain systemHEAP ANTHONY H·Filed 2008·Granted Nov 26, 2013·30 cites·7 claims
- 1190US7653474B2Method of determining engine output power in a hybrid electric vehicleGM GLOBAL TECH OPERATIONS INC·Filed 2004·Granted Jan 26, 2010·49 cites·24 claims
- 1289US8626367B2Method for operating a hybrid vehicleKRUEGER ERIC E·Filed 2010·Granted Jan 7, 2014·39 cites·19 claims
- 1389US7149618B2Cost structure method including fuel economy and engine emission considerationsGEN MOTORS CORP·Filed 2005·Granted Dec 12, 2006·16 cites·20 claims
- 1487US8649887B2Methods, 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
- 1587US7894968B2Accelerator/brake pedal management for torque-based engine controlGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Feb 22, 2011·18 cites·7 claims
- 1684US8731762B1Method and system of controlling a powertrain system to reduce turbo lag in a hybrid vehicleGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted May 20, 2014·10 cites·19 claims
- 1783US8725335B2System and methods for torque control in an electronic all wheel drive vehicleTOLKACZ JOSEPH M·Filed 2012·Granted May 13, 2014·12 cites·20 claims
- 1883US7537542B2Control system architecture for a hybrid powertrainGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted May 26, 2009·18 cites·24 claims
- 1982US8847426B2Method for managing electric power in a powertrain systemHEAP ANTHONY H·Filed 2008·Granted Sep 30, 2014·14 cites·11 claims
- 2081US8135532B2Method for controlling output power of an energy storage device in a powertrain systemHEAP ANTHONY H·Filed 2008·Granted Mar 13, 2012·14 cites·16 claims
- 2180US8271173B2Method and apparatus for controlling a hybrid powertrain systemWILMANOWICZ MAREK L·Filed 2008·Granted Sep 18, 2012·14 cites·13 claims
- 2280US7730984B2Method and apparatus for control of a hybrid electric vehicle to achieve a target life objective for an energy storage deviceGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Jun 8, 2010·18 cites·14 claims
- 2379US8224514B2Creation and depletion of short term power capability in a hybrid electric vehicleCENTER MARC B·Filed 2008·Granted Jul 17, 2012·6 cites·17 claims
- 2479US7028657B2Multi-stage compression ignition engine startGEN MOTORS CORP·Filed 2004·Granted Apr 18, 2006·21 cites·19 claims
- 2578US8395278B2Method and apparatus for starting an internal combustion engineCAWTHORNE WILLIAM R·Filed 2010·Granted Mar 12, 2013·4 cites·13 claims
- 2677US8437937B2Blended braking management in powertrain systemsGANLEY THOMAS E·Filed 2010·Granted May 7, 2013·5 cites·17 claims
- 2777US8078371B2Method and apparatus to monitor output of an electro-mechanical transmissionCAWTHORNE WILLIAM R·Filed 2007·Granted Dec 13, 2011·17 cites·16 claims
- 2876US7957873B2Vehicle transmission shift inhibit method and apparatusGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Jun 7, 2011·7 cites·12 claims
- 2976US7649378B1Methods for evaluating permanent magnet motors after manufacture and during serviceGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted Jan 19, 2010·7 cites·20 claims
- 3076US7449891B2Managing service life of a batteryGEN MOTORS CORP·Filed 2004·Granted Nov 11, 2008·32 cites·13 claims
- 3176US6946818B2Method of determining battery power limits for an energy storage system of a hybrid electric vehicleGEN MOTORS CORP·Filed 2003·Granted Sep 20, 2005·40 cites·25 claims
- 3275US8463483B2Method and system for monitoring vehicle electrical systemsWELCHKO BRIAN A·Filed 2010·Granted Jun 11, 2013·6 cites·17 claims
- 3375US7691026B2Control architecture for optimization and control of a hybrid powertrain systemGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Apr 6, 2010·10 cites·12 claims
- 3474US8631891B2Method and apparatus for controlling a hybrid powertrain systemWILMANOWICZ MAREK L·Filed 2012·Granted Jan 21, 2014·5 cites·3 claims
- 3574US7601092B2Vehicle propulsion systemGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Oct 13, 2009·6 cites·17 claims
- 3674US7110871B2Method for determining preferred input operating points for a vehicle transmissionGEN MOTORS CORP·Filed 2003·Granted Sep 19, 2006·26 cites·11 claims
- 3773US7127337B2Silent operating mode for reducing emissions of a hybrid electric vehicleGEN MOTORS CORP·Filed 2003·Granted Oct 24, 2006·38 cites·17 claims
- 3873US6957137B2Real-time operating parameter selection in a vehicular transmissionGEN MOTORS CORP·Filed 2003·Granted Oct 18, 2005·24 cites·14 claims
- 3972US8002665B2Method for controlling power actuators in a hybrid powertrain systemGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted Aug 23, 2011·8 cites·21 claims
- 4071US10029669B2Powertrain and method of coordinating chassis and propulsion system torque limitsGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted Jul 24, 2018·2 cites·20 claims
- 4171US8112194B2Method and apparatus for monitoring regenerative operation in a hybrid powertrain systemBUUR HANNE·Filed 2008·Granted Feb 7, 2012·8 cites·20 claims
- 4269US9371010B2Inverter control method and vehicle having sameGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Jun 21, 2016·4 cites·14 claims
- 4369US9335361B2Method and apparatus for monitoring a multi-phase electrical system on a vehicleGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted May 10, 2016·2 cites·6 claims
- 4468US8731751B2Method and system for controlling a hybrid vehicleSIMON JR ROBERT C·Filed 2009·Granted May 20, 2014·7 cites·20 claims
- 4568US8155815B2Method and apparatus for securing output torque in a distributed control module system for a powertrain systemCAWTHORNE WILLIAM R·Filed 2008·Granted Apr 10, 2012·8 cites·13 claims
- 4666US8248023B2Method of externally charging a powertrainSCHWENKE R TRAVIS·Filed 2008·Granted Aug 21, 2012·7 cites·19 claims
- 4766US8214120B2Method to manage a high voltage system in a hybrid powertrain systemKOTHARI ANIKET·Filed 2008·Granted Jul 3, 2012·7 cites·17 claims
- 4866USRE42200EFault handling of inverter driven PM motor drivesGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Mar 8, 2011·7 cites·15 claims
- 4966US2025108726A1Method for controlling a distributed direct current to direct current converter systemGM GLOBAL TECH OPERATIONS LLC·Filed 2023·Application pending·0 cites
- 5065US7222014B2Method for automatic traction control in a hybrid electric vehicleGEN MOTORS CORP·Filed 2004·Granted May 22, 2007·18 cites·25 claims
Showing the top 50 of 75 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →