EG

Edwin T. Grochowski

General Motors: 43 patents #206 of 18,328Top 2%
Overall (All Time): #70,936 of 4,157,543Top 2%
43
Patents All Time

Issued Patents All Time

Showing 25 most recent of 43 patents

Patent #TitleCo-InventorsDate
9163704 Clutch and gear arrangement for a front wheel drive vehicle Clinton E. Carey, Daryl A. Wilton, James M. Hart, Scott H. Wittkopp, Andrew W. Phillips 2015-10-20
8960226 Transmission hydraulic control system having fluid bypass sleeve 2015-02-24
8888646 Two-mode continuously variable transmission Philip C. Lundberg, Andrew W. Phillips 2014-11-18
8858389 Variator assembly Philip C. Lundberg, Shushan Bai 2014-10-14
8858376 Hybrid powertrain for a motor vehicle James M. Hart 2014-10-14
8813935 Launch / disconnect clutch for P2 hybrid powertrain James M. Hart, Anthony L. Smith 2014-08-26
8795113 Hybrid powertrain for a motor vehicle James M. Hart 2014-08-05
8678780 Transmission hydraulic control system having a pump bypass valve Kevin Michael Dougan, Fredrick R. Poskie, Bret M. Olson, James W. Haynes 2014-03-25
8640452 Hydraulic circuit for a power transmission device John C. Schultz, Norman Schoenek, Kevin Michael Dougan, Daryl A. Wilton, Edward W. Mellet 2014-02-04
8628442 Automatic transmission gear and clutch arrangement Patrick S. Portell, John A. Diemer, James M. Hart, Scott H. Wittkopp, Douglas John Dwenger +4 more 2014-01-14
8579753 Compound planetary front wheel drive continuously variable transmission Scott William Heitzenrater 2013-11-12
8460142 Electrically-variable transmission Scott H. Wittkopp, Alan G. Holmes, James M. Hart, Elizabeth I. Wooden 2013-06-11
8342996 Multi-speed transmission with multi-axis transfer Scott H. Wittkopp, James B. Borgerson, James M. Hart 2013-01-01
8336410 Dual clutch multi-speed transmission Craig S. Ross, Scott H. Wittkopp 2012-12-25
8262526 Automatic transmission gear and clutch arrangement Patrick S. Portell, John A. Diemer, James M. Hart, Scott H. Wittkopp, Douglas John Dwenger +4 more 2012-09-11
8240443 Powertrain with engine oil-fed torque converter Hamid Vahabzadeh, Scott H. Wittkopp 2012-08-14
8226514 Multi-speed transmission with axis transfer Scott H. Wittkopp, James B. Borgerson, James M. Hart 2012-07-24
8220351 Dual clutch multi-speed transmission having one countershaft and a reverse shaft Craig S. Ross, Scott H. Wittkopp 2012-07-17
8197377 Automatic transmission gear and clutch arrangement James M. Hart, Andrew W. Phillips, Elizabeth I. Wooden, Scott H. Wittkopp, James B. Borgerson +1 more 2012-06-12
8172058 Latching clutch assembly and method of operating the same Chi-Kuan Kao 2012-05-08
8105196 Automatic transmission gear and clutch arrangement Patrick S. Portell, John A. Diemer, James M. Hart, Scott H. Wittkopp, Douglas John Dwenger +4 more 2012-01-31
8075441 Automatic transmission gear and clutch arrangement James M. Hart, Scott H. Wittkopp, Clinton E. Carey, Andrew W. Phillips, James B. Borgerson +2 more 2011-12-13
8047958 Multi-speed transmission having two planetary gear sets Scott H. Wittkopp, James M. Hart 2011-11-01
7878940 Multi-speed transmission Clinton E. Carey, James M. Hart, Scott H. Wittkopp, Andrew W. Phillips, Elizabeth I. Wooden 2011-02-01
7867128 Multi-speed transmission Clinton E. Carey, James M. Hart, Scott H. Wittkopp, Andrew W. Phillips, Elizabeth I. Wooden 2011-01-11