Inventor · disambiguated record
Gregory A. Hubbard
Also filed as: HUBBARD GREGORY A
47 granted patents·1,883 citations·filing 2000–2010
99Inventor score
Top patents by PatentIndex Score
47 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
- 0298US7998023B2Hybrid powertrain with an engine input clutch and method of controlGM GLOBAL TECH OPERATIONS INC·Filed 2010·Granted Aug 16, 2011·24 cites·10 claims
- 0395US6832148B1Automatic engine stop and restart mode for reducing emissions of a hybrid electric vehicleGEN MOTORS CORP·Filed 2003·Granted Dec 14, 2004·281 cites·16 claims
- 0495US6285942B1Flow-based on-coming clutch fill control for an automatic transmissionGEN MOTORS CORP·Filed 2000·Granted Sep 4, 2001·54 cites·6 claims
- 0594US7908064B2Optimal 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
- 0694US7305873B2Method for dynamically determining peak output torque in an electrically variable transmissionGEN MOTORS CORP·Filed 2005·Granted Dec 11, 2007·35 cites·20 claims
- 0794US7024299B2Method for dynamically determining peak output torque within battery constraints in a hybrid transmission including a parallel hybrid splitGEN MOTORS CORP·Filed 2005·Granted Apr 4, 2006·41 cites·24 claims
- 0894US6364811B1Model-based transmission upshift control with engine torque managementGEN MOTORS CORP·Filed 2000·Granted Apr 2, 2002·106 cites·5 claims
- 0993US7610976B2Hybrid powertrain with electrically variable transmission having parallel friction launch and methodGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Nov 3, 2009·34 cites·7 claims
- 1093US7200476B2Optimal selection of input torque considering battery utilization for a hybrid electric vehicleGEN MOTORS CORP·Filed 2004·Granted Apr 3, 2007·68 cites·13 claims
- 1193US7076356B2Optimal selection of input torque with stability of power flow for a hybrid electric vehicleGEN MOTORS CORP·Filed 2004·Granted Jul 11, 2006·78 cites·21 claims
- 1292US6319172B1Off-going clutch control for upshifting of an automatic transmissionGEN MOTORS CORP·Filed 2000·Granted Nov 20, 2001·42 cites·12 claims
- 1391US6511399B2Torque and power control in a powertrainGEN MOTORS CORP·Filed 2001·Granted Jan 28, 2003·52 cites·5 claims
- 1490US8224544B2Method and apparatus to control launch of a vehicle having an electro-mechanical transmissionSAH JY-JEN F·Filed 2007·Granted Jul 17, 2012·24 cites·9 claims
- 1590US7653474B2Method of determining engine output power in a hybrid electric vehicleGM GLOBAL TECH OPERATIONS INC·Filed 2004·Granted Jan 26, 2010·49 cites·24 claims
- 1689US7149618B2Cost structure method including fuel economy and engine emission considerationsGEN MOTORS CORP·Filed 2005·Granted Dec 12, 2006·16 cites·20 claims
- 1788US7846051B2Hybrid powertrain with an engine input clutch and method of controlGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Dec 7, 2010·20 cites·4 claims
- 1888US6368249B1Driver responsive power-on downshift controlGEN MOTORS CORP·Filed 2000·Granted Apr 9, 2002·31 cites·8 claims
- 1987US7264570B2Method of providing electric motor torque reserve in a hybrid electric vehicleGEN MOTORS CORP·Filed 2006·Granted Sep 4, 2007·18 cites·17 claims
- 2087US7131708B2Coordinated regenerative and engine retard braking for a hybrid vehicleGEN MOTORS CORP·Filed 2004·Granted Nov 7, 2006·51 cites·9 claims
- 2187US6319170B1Model-based engine torque control for power-on downshifting in an automatic transmissionGEN MOTORS CORP·Filed 2000·Granted Nov 20, 2001·54 cites·10 claims
- 2286US6415213B1Model-based control of an automatic transmission power-on downshiftGEN MOTORS CORP·Filed 2000·Granted Jul 2, 2002·28 cites·10 claims
- 2383US7537542B2Control system architecture for a hybrid powertrainGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted May 26, 2009·18 cites·24 claims
- 2481US7470209B2Hybrid powertrain having an electrically variable transmission and engine valve controlGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Dec 30, 2008·15 cites·15 claims
- 2579US7028657B2Multi-stage compression ignition engine startGEN MOTORS CORP·Filed 2004·Granted Apr 18, 2006·21 cites·19 claims
- 2678US7217221B2Method for active engine stop of a hybrid electric vehicleGEN MOTORS CORP·Filed 2004·Granted May 15, 2007·35 cites·26 claims
- 2778US6478713B1Engine limit control for closed-throttle transmission shiftingGEN MOTORS CORP·Filed 2000·Granted Nov 12, 2002·33 cites·4 claims
- 2876US7219000B2Speed control for an electrically variable transmissionGEN MOTORS CORP·Filed 2003·Granted May 15, 2007·27 cites·27 claims
- 2975US6976388B2Diagnostic method for a torque control of an electrically variable transmissionGEN MOTORS CORP·Filed 2004·Granted Dec 20, 2005·28 cites·9 claims
- 3074US7601092B2Vehicle propulsion systemGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Oct 13, 2009·6 cites·17 claims
- 3174US7110871B2Method for determining preferred input operating points for a vehicle transmissionGEN MOTORS CORP·Filed 2003·Granted Sep 19, 2006·26 cites·11 claims
- 3274US6262556B1Force motor current control for an electronically controlled automatic transmissionGEN MOTORS CORP·Filed 2000·Granted Jul 17, 2001·15 cites·12 claims
- 3373US7127337B2Silent operating mode for reducing emissions of a hybrid electric vehicleGEN MOTORS CORP·Filed 2003·Granted Oct 24, 2006·38 cites·17 claims
- 3473US6957137B2Real-time operating parameter selection in a vehicular transmissionGEN MOTORS CORP·Filed 2003·Granted Oct 18, 2005·24 cites·14 claims
- 3573US6332860B1Model-based on-coming clutch pressure control for an automatic transmission upshiftGEN MOTORS CORP·Filed 2000·Granted Dec 25, 2001·25 cites·7 claims
- 3670US7101313B2Motor vehicle powertrain control method for low traction conditionsGEN MOTORS CORP·Filed 2003·Granted Sep 5, 2006·23 cites·6 claims
- 3770US6289072B1Near-zero speed estimation method for a pulse counting speed calculationGEN MOTORS CORP·Filed 2000·Granted Sep 11, 2001·14 cites·5 claims
- 3869US7369930B2Method and apparatus to control hydraulic pressure in an electrically variable transmissionGEN MOTORS CORP·Filed 2004·Granted May 6, 2008·11 cites·11 claims
- 3969US7090613B2Method of providing electric motor torque reserve in a hybrid electric vehicleGEN MOTORS CORP·Filed 2004·Granted Aug 15, 2006·19 cites·38 claims
- 4067US7368886B2Method of testing motor torque integrity in a hybrid electric vehicleGEN MOTORS CORP·Filed 2004·Granted May 6, 2008·12 cites·24 claims
- 4167US7163487B2Engine retard operation scheduling and management in a hybrid vehicleGEN MOTORS CORP·Filed 2004·Granted Jan 16, 2007·20 cites·8 claims
- 4267US6374170B1Cross-adaptive control method for an automatic shift transmissionGEN MOTORS CORP·Filed 2000·Granted Apr 16, 2002·11 cites·12 claims
- 4356US6358184B1Model-based control of an automatic transmission garage shiftGEN MOTORS CORP·Filed 2000·Granted Mar 19, 2002·12 cites·7 claims
- 4455US7454278B2Cost structure method including fuel economy and engine emission considerationsGEN MOTORS CORP·Filed 2006·Granted Nov 18, 2008·2 cites·15 claims
- 4552US6361474B1Closed-throttle downshift clutch control for an automatic transmissionGEN MOTORS CORP·Filed 2000·Granted Mar 26, 2002·5 cites·8 claims
- 4649US7160224B2Single motor recovery for an electrically variable transmissionGEN MOTORS CORP·Filed 2004·Granted Jan 9, 2007·8 cites·8 claims
- 4746US7214165B2Method of automatically flushing debris from an electrically-operated hydraulic valveGEN MOTORS CORP·Filed 2004·Granted May 8, 2007·6 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →