GH

Gregory A. Hubbard

General Motors: 47 patents #170 of 18,328Top 1%
Overall (All Time): #61,144 of 4,157,543Top 2%
47
Patents All Time

Issued Patents All Time

Showing 25 most recent of 47 patents

Patent #TitleCo-InventorsDate
8224544 Method and apparatus to control launch of a vehicle having an electro-mechanical transmission Jy-Jen F. Sah, Anthony H. Heap 2012-07-17
7998023 Hybrid powertrain with an engine input clutch and method of control Alan G. Holmes, Michael R. Schmidt, Donald Klemen, Anthony H. Heap 2011-08-16
7908064 Optimal selection of input torque considering battery utilization for a hybrid electric vehicle William R. Cawthorne, Anthony H. Heap 2011-03-15
7846051 Hybrid powertrain with an engine input clutch and method of control Alan G. Holmes, Michael R. Schmidt, Donald Klemen, Anthony H. Heap 2010-12-07
7653474 Method of determining engine output power in a hybrid electric vehicle William R. Cawthorne 2010-01-26
7610976 Hybrid powertrain with electrically variable transmission having parallel friction launch and method Alan G. Holmes, Michael R. Schmidt, Donald Klemen, Larry T. Nitz, Grantland I. Kingman +2 more 2009-11-03
7601092 Vehicle propulsion system Alan G. Holmes, Anthony H. Heap, William R. Cawthorne 2009-10-13
7537542 Control system architecture for a hybrid powertrain William R. Cawthorne, Mario V. Maiorana, Jr., Jy-Jen F. Sah, Sean E. Gleason, Leonard G. Wozniak +3 more 2009-05-26
7470209 Hybrid powertrain having an electrically variable transmission and engine valve control Alan G. Holmes, Michael R. Schmidt, Donald Klemen, Anthony H. Heap, Larry T. Nitz 2008-12-30
7454278 Cost structure method including fuel economy and engine emission considerations Anthony H. Heap, William R. Cawthorne 2008-11-18
7369930 Method and apparatus to control hydraulic pressure in an electrically variable transmission Tung-Ming Hsieh, Michael D. Foster 2008-05-06
7368886 Method of testing motor torque integrity in a hybrid electric vehicle Tung-Ming Hsieh, Jy-Jen F. Sah 2008-05-06
7305873 Method for dynamically determining peak output torque in an electrically variable transmission Tung-Ming Hsieh, Anthony H. Heap 2007-12-11
7264570 Method of providing electric motor torque reserve in a hybrid electric vehicle Anthony H. Heap, Tung-Ming Hsieh 2007-09-04
7217221 Method for active engine stop of a hybrid electric vehicle Jy-Jen F. Sah, Adam C. Bennett, Todd M Steinmetz, Michael D. Foster 2007-05-15
7219000 Speed control for an electrically variable transmission Todd M Steinmetz, Anthony H. Heap, Jy-Jen F. Sah 2007-05-15
7214165 Method of automatically flushing debris from an electrically-operated hydraulic valve Michael D. Foster, Tung-Ming Hsieh 2007-05-08
7200476 Optimal selection of input torque considering battery utilization for a hybrid electric vehicle William R. Cawthorne, Anthony H. Heap 2007-04-03
7163487 Engine retard operation scheduling and management in a hybrid vehicle Xuefeng Tim Tao, Tung-Ming Hsieh, Anthony H. Heap 2007-01-16
7160224 Single motor recovery for an electrically variable transmission Tung-Ming Hsieh, Todd M Steinmetz 2007-01-09
7149618 Cost structure method including fuel economy and engine emission considerations Anthony H. Heap, William R. Cawthorne 2006-12-12
7131708 Coordinated regenerative and engine retard braking for a hybrid vehicle Xuefeng Tim Tao, Tung-Ming Hsieh, Anthony H. Heap 2006-11-07
7127337 Silent operating mode for reducing emissions of a hybrid electric vehicle Adam C. Bennett, William R. Cawthorne, Tung-Ming Hsieh 2006-10-24
7110871 Method for determining preferred input operating points for a vehicle transmission Anthony H. Heap, William R. Cawthorne 2006-09-19
7101313 Motor vehicle powertrain control method for low traction conditions John P. Kresse, Ronald P. Hitch 2006-09-05