Inventor · disambiguated record
John A. Diemer
Also filed as: DIEMER JOHN · DIEMER JOHN A
52 granted patents·2 pending applications·335 citations·filing 1989–2023
98Inventor score
Files withGM GLOBAL TECH OPERATIONS INC27GM GLOBAL TECH OPERATIONS LLC9DIEMER JOHN A5PORTELL PATRICK S3HEITZENRATER SCOTT WILLIAM2
Top patents by PatentIndex Score
54 records- 0196US10780849B1Electric drive units with integrated power electronics for vehicle powertrainsGM GLOBAL TECH OPERATIONS LLC·Filed 2019·Granted Sep 22, 2020·21 cites·20 claims
- 0295US7339300B2Structural support member for stator retention and method of assembling an electromechanical transmissionGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Mar 4, 2008·49 cites·5 claims
- 0393US7473199B2Two-planetary electrically variable transmissions with multiple fixed ratiosGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Jan 6, 2009·27 cites·17 claims
- 0488US8251862B2Planetary carrier pinion pin retainer plateBURGMAN BORIS·Filed 2010·Granted Aug 28, 2012·10 cites·20 claims
- 0587US7870804B2Multi-speed dual clutch transmissionGM Global Technologies Operations LLC·Filed 2007·Granted Jan 18, 2011·16 cites·23 claims
- 0686US11005326B2Electric drive unit having cover assembly with integrated cooling channelsGM GLOBAL TECH OPERATIONS LLC·Filed 2019·Granted May 11, 2021·3 cites·20 claims
- 0786US9234551B2Transmission and a clutch assembly for a vehicleHEITZENRATER SCOTT WILLIAM·Filed 2012·Granted Jan 12, 2016·7 cites·20 claims
- 0886US7886626B2Multi-speed dual clutch transmissionGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Feb 15, 2011·17 cites·24 claims
- 0984US8105196B2Automatic transmission gear and clutch arrangementPORTELL PATRICK S·Filed 2009·Granted Jan 31, 2012·10 cites·20 claims
- 1084US8011261B2Multi-speed transmission with countershaft gearing arrangementGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted Sep 6, 2011·13 cites·25 claims
- 1183US9261186B2Rotating clutch pack assemblyGM GLOBAL TECH OPERATIONS INC·Filed 2014·Granted Feb 16, 2016·5 cites·26 claims
- 1283US7494439B2Dual drive pump with dual chain and roller clutch and methodGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Feb 24, 2009·9 cites·18 claims
- 1382US8117932B2Multi-speed transmission with countershaft gearingBJORCK PER-GUNNAR·Filed 2007·Granted Feb 21, 2012·17 cites·22 claims
- 1481US7387586B2Three planetary electrically variable transmissions with mechanical reverseGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Jun 17, 2008·15 cites·17 claims
- 1579US9452682B2Transmission for a vehicleGM GLOBAL TECH OPERATIONS LLC·Filed 2013·Granted Sep 27, 2016·8 cites·20 claims
- 1679US8758179B2Electrically-variable transmission for a vehicleGM GLOBAL TECH OPERATIONS INC·Filed 2012·Granted Jun 24, 2014·7 cites·19 claims
- 1778US8262526B2Automatic transmission gear and clutch arrangementPORTELL PATRICK S·Filed 2012·Granted Sep 11, 2012·4 cites·10 claims
- 1875US7780567B2Input brake assemblyGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Aug 24, 2010·7 cites·17 claims
- 1973US12483085B2Electric motor shaft grounding apparatusGM GLOBAL TECH OPERATIONS LLC·Filed 2023·Granted Nov 25, 2025·0 cites·20 claims
- 2072US9052003B2Multi-speed transmission gear and clutch arrangementGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Jun 9, 2015·3 cites·20 claims
- 2172US8636125B2Actuation device having wiper seals for a dual clutch transmissionDIEMER JOHN A·Filed 2010·Granted Jan 28, 2014·4 cites·15 claims
- 2271US7419041B2Main shaft dog clutch and methodGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Sep 2, 2008·9 cites·10 claims
- 2370US8376900B2Clutch assemblyGM GLOBAL TECH OPERATIONS INC·Filed 2009·Granted Feb 19, 2013·3 cites·23 claims
- 2470US7278942B2Transmission packaging and rotor support structureDAIMLER CHRYSLER CORP·Filed 2005·Granted Oct 9, 2007·8 cites·11 claims
- 2569US8500588B2Automatic transmission gear and clutch arrangementDIEMER JOHN A·Filed 2011·Granted Aug 6, 2013·3 cites·37 claims
- 2668US9391496B2Transmission for a vehicleGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Jul 12, 2016·2 cites·19 claims
- 2766US9080650B2Multi-speed transmissionGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Jul 14, 2015·2 cites·18 claims
- 2866US8967353B2Transmission with internal isolator and by-pass clutchROSES VICTOR M·Filed 2009·Granted Mar 3, 2015·3 cites·12 claims
- 2965US8117935B2Synchronizer actuating system with selectivesDIEMER JOHN A·Filed 2008·Granted Feb 21, 2012·5 cites·20 claims
- 3065US4892114AFlow-sensing shutoff valveM C AEROSPACE CORP·Filed 1989·Granted Jan 9, 1990·29 cites·15 claims
- 3163US9227501B2Transmission for a vehicle and a method of assembling a modular motor assembly in the transmissionGM GLOBAL TECH OPERATIONS INC·Filed 2012·Granted Jan 5, 2016·1 cites·16 claims
- 3263US7703346B2Multi-speed transmission with countershaft gearingGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Apr 27, 2010·3 cites·24 claims
- 3361US7913580B2Apparatus and method for securing transmission gear synchronizers to shaftsGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted Mar 29, 2011·3 cites·18 claims
- 3460US8628442B2Automatic transmission gear and clutch arrangementPORTELL PATRICK S·Filed 2012·Granted Jan 14, 2014·1 cites·26 claims
- 3559US2025158461A1Magnetic flux reducing circuits for mitigating main bearing current in electric motors and gearboxesGM GLOBAL TECH OPERATIONS LLC·Filed 2023·Application pending·0 cites
- 3657US9982723B2Rotating clutch pack assemblyGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted May 29, 2018·0 cites·18 claims
- 3756US8409050B2Gear retention assemblyHEITZENRATER SCOTT WILLIAM·Filed 2009·Granted Apr 2, 2013·2 cites·16 claims
- 3855US10340763B2Isolation ring for electric motor end windingsGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Jul 2, 2019·0 cites·6 claims
- 3955US9291210B2Flywheel and dual clutch module assemblyGM GLOBAL TECH OPERATIONS INC·Filed 2014·Granted Mar 22, 2016·1 cites·20 claims
- 4055US8905850B2Transmission for a vehicle and a shaft assembly for transferring a fluid in the transmission of the vehicleDIEMER JOHN A·Filed 2012·Granted Dec 9, 2014·1 cites·20 claims
- 4155US7644639B2Multi-speed transmission with countershaft gearingGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Jan 12, 2010·2 cites·33 claims
- 4254US8764977B2Sump filter restraining deviceFRERICHS TODD A·Filed 2009·Granted Jul 1, 2014·2 cites·22 claims
- 4353US7591749B2Electrically variable transmission with one or more off-axis motor/generatorsGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Sep 22, 2009·2 cites·15 claims
- 4451US9033681B2Control valve body with integrated pump for automatic transmissionsFANNIN MICHAEL P·Filed 2009·Granted May 19, 2015·1 cites·20 claims
- 4550US9347502B2Transmission having a strap spring hubGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted May 24, 2016·0 cites·10 claims
- 4647US8366557B2Engine drive plate connectionGM GLOBAL TECH OPERATIONS INC·Filed 2010·Granted Feb 5, 2013·0 cites·5 claims
- 4745US11167832B2Electrically propelled watercraft with corresponding hull assemblyGM GLOBAL TECH OPERATIONS LLC·Filed 2019·Granted Nov 9, 2021·0 cites·18 claims
- 4845US7470066B2Pump bearing assembly with sealGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Dec 30, 2008·0 cites·20 claims
- 4944US10486517B2Concentric bridge gear systemGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Nov 26, 2019·0 cites·19 claims
- 5044US8362672B2Electric machineGM GLOBAL TECH OPERATIONS INC·Filed 2010·Granted Jan 29, 2013·0 cites·13 claims
Showing the top 50 of 54 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →