Inventor · disambiguated record
Douglas John Dwenger
Also filed as: DWENGER DOUGLAS J · DWENGER DOUGLAS JOHN
19 granted patents·108 citations·filing 1988–2016
93Inventor score
Files withGM GLOBAL TECH OPERATIONS INC7GM GLOBAL TECH OPERATIONS LLC3PORTELL PATRICK S3HEITZENRATER SCOTT WILLIAM2DIEMER JOHN A1
Top patents by PatentIndex Score
19 records- 0186US9234551B2Transmission and a clutch assembly for a vehicleHEITZENRATER SCOTT WILLIAM·Filed 2012·Granted Jan 12, 2016·7 cites·20 claims
- 0286US4815884ARemovable seal protector and shaft insertion guideGEN MOTORS CORP·Filed 1988·Granted Mar 28, 1989·56 cites·2 claims
- 0384US8105196B2Automatic transmission gear and clutch arrangementPORTELL PATRICK S·Filed 2009·Granted Jan 31, 2012·10 cites·20 claims
- 0479US8758179B2Electrically-variable transmission for a vehicleGM GLOBAL TECH OPERATIONS INC·Filed 2012·Granted Jun 24, 2014·7 cites·19 claims
- 0578US8262526B2Automatic transmission gear and clutch arrangementPORTELL PATRICK S·Filed 2012·Granted Sep 11, 2012·4 cites·10 claims
- 0677US9644722B2One mode continuously variable transmissionGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted May 9, 2017·2 cites·18 claims
- 0772US9052003B2Multi-speed transmission gear and clutch arrangementGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Jun 9, 2015·3 cites·20 claims
- 0870US8376900B2Clutch assemblyGM GLOBAL TECH OPERATIONS INC·Filed 2009·Granted Feb 19, 2013·3 cites·23 claims
- 0969US10267368B2Spring pack assembly for a torque transmitting deviceGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Apr 23, 2019·1 cites·19 claims
- 1069US8991583B2Spring pack for a transmissionGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Mar 31, 2015·2 cites·14 claims
- 1169US8500588B2Automatic transmission gear and clutch arrangementDIEMER JOHN A·Filed 2011·Granted Aug 6, 2013·3 cites·37 claims
- 1266US8967353B2Transmission with internal isolator and by-pass clutchROSES VICTOR M·Filed 2009·Granted Mar 3, 2015·3 cites·12 claims
- 1363US7703346B2Multi-speed transmission with countershaft gearingGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Apr 27, 2010·3 cites·24 claims
- 1460US8628442B2Automatic transmission gear and clutch arrangementPORTELL PATRICK S·Filed 2012·Granted Jan 14, 2014·1 cites·26 claims
- 1556US8409050B2Gear retention assemblyHEITZENRATER SCOTT WILLIAM·Filed 2009·Granted Apr 2, 2013·2 cites·16 claims
- 1651US9033681B2Control valve body with integrated pump for automatic transmissionsFANNIN MICHAEL P·Filed 2009·Granted May 19, 2015·1 cites·20 claims
- 1746US9400042B2Two mode continuously variable transmissionGM GLOBAL TECH OPERATIONS LLC·Filed 2014·Granted Jul 26, 2016·0 cites·15 claims
- 1843US8968146B2Multi-speed transmissionGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Mar 3, 2015·0 cites·18 claims
- 1942US9051980B2Direction selectable spragGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Jun 9, 2015·0 cites·6 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →