Inventor · disambiguated record
Edwin T. Grochowski
Also filed as: GROCHOWSKI EDWIN T · GROCHOWSKI EDWIN THOMAS
43 granted patents·1 pending application·326 citations·filing 1992–2013
98Inventor score
Files withGM GLOBAL TECH OPERATIONS INC18GEN MOTORS CORP5GROCHOWSKI EDWIN T5HART JAMES M4PORTELL PATRICK S3
Top patents by PatentIndex Score
44 records- 0196US7775931B2Multi-speed transmissionGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Aug 17, 2010·31 cites·13 claims
- 0293US8795113B2Hybrid powertrain for a motor vehicleGROCHOWSKI EDWIN T·Filed 2012·Granted Aug 5, 2014·22 cites·19 claims
- 0391US7862466B2Multi-speed transmissionGM GLOBAL TECH OPERATIONS INC·Filed 2010·Granted Jan 4, 2011·8 cites·20 claims
- 0489US7416508B1Multi-speed transmissionGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Aug 26, 2008·11 cites·19 claims
- 0589US5749451AClutch assembly with a piston stroke adjusterGEN MOTORS CORP·Filed 1996·Granted May 12, 1998·41 cites·4 claims
- 0688US8172058B2Latching clutch assembly and method of operating the sameGROCHOWSKI EDWIN T·Filed 2009·Granted May 8, 2012·9 cites·5 claims
- 0788US5226517AClutch assemblyGEN MOTORS CORP·Filed 1992·Granted Jul 13, 1993·40 cites·3 claims
- 0887US8579753B2Compound planetary front wheel drive continuously variable transmissionGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Nov 12, 2013·8 cites·18 claims
- 0987US7416509B1Multi-speed transmissionGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Aug 26, 2008·10 cites·16 claims
- 1085US8813935B2Launch / disconnect clutch for P2 hybrid powertrainHART JAMES M·Filed 2011·Granted Aug 26, 2014·9 cites·17 claims
- 1184US8858376B2Hybrid powertrain for a motor vehicleHART JAMES M·Filed 2012·Granted Oct 14, 2014·9 cites·4 claims
- 1284US8640452B2Hydraulic circuit for a power transmission deviceSCHULTZ JOHN C·Filed 2010·Granted Feb 4, 2014·7 cites·14 claims
- 1384US8105196B2Automatic transmission gear and clutch arrangementPORTELL PATRICK S·Filed 2009·Granted Jan 31, 2012·10 cites·20 claims
- 1484US7422539B1Multi-speed transmissionGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Sep 9, 2008·8 cites·21 claims
- 1582US7824297B2Multi-speed transmissionGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Nov 2, 2010·10 cites·17 claims
- 1679US8858389B2Variator assemblyLUNDBERG PHILIP C·Filed 2012·Granted Oct 14, 2014·5 cites·14 claims
- 1778US8262526B2Automatic transmission gear and clutch arrangementPORTELL PATRICK S·Filed 2012·Granted Sep 11, 2012·4 cites·10 claims
- 1876US8197377B2Automatic transmission gear and clutch arrangementHART JAMES M·Filed 2009·Granted Jun 12, 2012·7 cites·19 claims
- 1976US8075441B2Automatic transmission gear and clutch arrangementHART JAMES M·Filed 2009·Granted Dec 13, 2011·7 cites·20 claims
- 2074US7867130B2Multi-speed transmissionGM GLOBAL TECH OPERATIONS INC·Filed 2010·Granted Jan 11, 2011·2 cites·25 claims
- 2174US7862467B2Multi-speed transmissionGM GLOBAL TECH OPERATIONS INC·Filed 2010·Granted Jan 4, 2011·2 cites·24 claims
- 2273US7416507B1Multi-speed transmissionGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Aug 26, 2008·4 cites·17 claims
- 2372US8888646B2Two-mode continuously variable transmissionLUNDBERG PHILIP C·Filed 2012·Granted Nov 18, 2014·3 cites·16 claims
- 2469US8336410B2Dual clutch multi-speed transmissionROSS CRAIG S·Filed 2010·Granted Dec 25, 2012·3 cites·14 claims
- 2568US8678780B2Transmission hydraulic control system having a pump bypass valveDOUGAN KEVIN MICHAEL·Filed 2010·Granted Mar 25, 2014·4 cites·16 claims
- 2667US8226514B2Multi-speed transmission with axis transferGROCHOWSKI EDWIN T·Filed 2009·Granted Jul 24, 2012·7 cites·13 claims
- 2763US8047958B2Multi-speed transmission having two planetary gear setsGM GLOBAL TECH OPERATIONS INC·Filed 2009·Granted Nov 1, 2011·3 cites·13 claims
- 2863US7854675B2Hydraulic feed system for a transmissionGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Dec 21, 2010·3 cites·32 claims
- 2961US8240443B2Powertrain with engine oil-fed torque converterVAHABZADEH HAMID·Filed 2008·Granted Aug 14, 2012·3 cites·8 claims
- 3060US8628442B2Automatic transmission gear and clutch arrangementPORTELL PATRICK S·Filed 2012·Granted Jan 14, 2014·1 cites·26 claims
- 3160US7543520B2Extension housing to transmission case attachmentGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Jun 9, 2009·2 cites·17 claims
- 3258US8220351B2Dual clutch multi-speed transmission having one countershaft and a reverse shaftROSS CRAIG S·Filed 2010·Granted Jul 17, 2012·1 cites·18 claims
- 3358US5647597ARetractable seal for oil-filled rotating machineGEN MOTORS CORP·Filed 1995·Granted Jul 15, 1997·18 cites·7 claims
- 3457US8342996B2Multi-speed transmission with multi-axis transferGM GLOBAL TECH OPERATIONS INC·Filed 2009·Granted Jan 1, 2013·3 cites·20 claims
- 3554US8460142B2Electrically-variable transmissionWITTKOPP SCOTT H·Filed 2009·Granted Jun 11, 2013·2 cites·18 claims
- 3654US7422536B2Method and apparatus for cooling and lubricating a bearing deviceGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Sep 9, 2008·1 cites·18 claims
- 3749US7878940B2Multi-speed transmissionGM GLOBAL TECH OPERATIONS INC·Filed 2010·Granted Feb 1, 2011·0 cites·22 claims
- 3849US7867129B2Multi-speed transmissionGM GLOBAL TECH OPERATIONS INC·Filed 2010·Granted Jan 11, 2011·0 cites·28 claims
- 3949US7867128B2Multi-speed transmissionGM GLOBAL TECH OPERATIONS INC·Filed 2010·Granted Jan 11, 2011·0 cites·22 claims
- 4041US8960226B2Transmission hydraulic control system having fluid bypass sleeveGROCHOWSKI EDWIN T·Filed 2011·Granted Feb 24, 2015·0 cites·9 claims
- 4139US9163704B2Clutch and gear arrangement for a front wheel drive vehicleCAREY CLINTON E·Filed 2011·Granted Oct 20, 2015·0 cites·19 claims
- 4239US2012178574A1Motor module assemblyGROCHOWSKI EDWIN T·Filed 2012·Application pending·0 cites
- 4335US5667454APower transmissionGEN MOTORS CORP·Filed 1996·Granted Sep 16, 1997·4 cites·2 claims
- 4432US5181792ARetainer for splined membersGEN MOTORS CORP·Filed 1992·Granted Jan 26, 1993·4 cites·6 claims
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