Inventor · disambiguated record
Donald Klemen
Also filed as: KLEMEN DONALD
87 granted patents·2 pending applications·4,211 citations·filing 1986–2021
99Inventor score
Files withGEN MOTORS CORP53ROLLS ROYCE CORP12GM GLOBAL TECH OPERATIONS INC9ROLLS ROYCE NAM TECH INC9KLEMEN DONALD2
Top patents by PatentIndex Score
89 records- 0199US7226381B2Nine-speed transmissions with four planetary gear setsGEN MOTORS CORP·Filed 2005·Granted Jun 5, 2007·135 cites·18 claims
- 0299US7163484B2Eight-speed transmissions with four planetary gear setsGEN MOTORS CORP·Filed 2005·Granted Jan 16, 2007·267 cites·19 claims
- 0399US6953409B2Two-mode, compound-split, hybrid electro-mechanical transmission having four fixed ratiosGEN MOTORS CORP·Filed 2004·Granted Oct 11, 2005·282 cites·26 claims
- 0499US6527658B2Electrically variable transmission with selective input split, compound split, neutral and reverse modesGEN MOTORS CORP·Filed 2001·Granted Mar 4, 2003·301 cites·16 claims
- 0599US4683776ATransmission gearing arrangementGEN MOTORS CORP·Filed 1986·Granted Aug 4, 1987·248 cites·1 claims
- 0698US11130456B2Low pressure generator for gas turbine engineROLLS ROYCE NAM TECH INC·Filed 2017·Granted Sep 28, 2021·14 cites·19 claims
- 0798US11007955B2Low pressure generator with electrical assembly for gas turbine engineROLLS ROYCE NAM TECH INC·Filed 2017·Granted May 18, 2021·11 cites·20 claims
- 0898US7998023B2Hybrid powertrain with an engine input clutch and method of controlGM GLOBAL TECH OPERATIONS INC·Filed 2010·Granted Aug 16, 2011·24 cites·10 claims
- 0998US7217211B2Two mode electrically variable transmission with equal forward and reverse input-split modal performanceGEN MOTORS CORP·Filed 2005·Granted May 15, 2007·94 cites·19 claims
- 1098US6551208B1Three-mode, compound-split, electrically-variable transmissionGEN MOTORS CORP·Filed 2001·Granted Apr 22, 2003·201 cites·8 claims
- 1198US5558595AOne-mode, input-split, parallel, hybrid transmissionGEN MOTORS CORP·Filed 1995·Granted Sep 24, 1996·367 cites·8 claims
- 1297US7615903B2Structural support member for electric motor/generator in electromechanical transmissionGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Nov 10, 2009·53 cites·18 claims
- 1397US7364527B2Nine speed automatic transmission with six torque-transmitting mechanismsGEN MOTORS CORP·Filed 2005·Granted Apr 29, 2008·62 cites·10 claims
- 1497US7338401B2Two mode electrically variable transmission with equal forward and reverse input-split modal and fixed ratio performanceGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Mar 4, 2008·61 cites·20 claims
- 1597US7285069B2Multi-speed power transmissionGEN MOTORS CORP·Filed 2005·Granted Oct 23, 2007·53 cites·5 claims
- 1697US7256510B2Hybrid electro-mechanical transmission with single motor/generator and method of controlGEN MOTORS CORPORTION·Filed 2005·Granted Aug 14, 2007·75 cites·17 claims
- 1797US7220203B2Electrically variable transmission with selective fixed ratio operationGEN MOTORS CORP·Filed 2005·Granted May 22, 2007·53 cites·13 claims
- 1897US6358173B1Two-mode, compound-split, electro-mechanical vehicular transmission having significantly reduced vibrationsGEN MOTORS CORP·Filed 2000·Granted Mar 19, 2002·113 cites·14 claims
- 1996US7311635B2Seven speed transmissions with all positive rotation components in forward speedsGEN MOTORS CORP·Filed 2005·Granted Dec 25, 2007·35 cites·20 claims
- 2096US7297085B2Three mode, multi-speed transmissionGEN MOTORS CORP·Filed 2005·Granted Nov 20, 2007·41 cites·20 claims
- 2196US7204780B2Multi speed transmissionGEN MOTORS CORP·Filed 2005·Granted Apr 17, 2007·40 cites·13 claims
- 2296US5620057AElectric vehicle battery enclosureGEN MOTORS CORP·Filed 1994·Granted Apr 15, 1997·213 cites·13 claims
- 2395US11014513B2Control of low pressure generator for gas turbine engineROLLS ROYCE NAM TECH INC·Filed 2017·Granted May 25, 2021·5 cites·9 claims
- 2495US7341537B2Multi-speed transmissionGEN MOTORS CORP·Filed 2005·Granted Mar 11, 2008·32 cites·15 claims
- 2595US6579202B2Lubrication and cooling system for power receiving and delivery units in an electro-mechanical vehicular transmissionGEN MOTORS CORP·Filed 2000·Granted Jun 17, 2003·79 cites·17 claims
- 2695US4741422AClutch assembly with a pressure balance chamberGEN MOTORS CORP·Filed 1987·Granted May 3, 1988·71 cites·3 claims
- 2794US7645206B2Three mode electrically-variable transmissionGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Jan 12, 2010·35 cites·27 claims
- 2894US6090005ATwo-mode, compound-split, vehicular transmission having both enhanced speed and enhanced tractive powerGEN MOTORS CORP·Filed 1999·Granted Jul 18, 2000·137 cites·16 claims
- 2994US5296773AComposite rotor for a synchronous reluctance machineGEN MOTORS CORP·Filed 1993·Granted Mar 22, 1994·83 cites·12 claims
- 3093US11009085B2Electromagnetic clutch for gas turbine accessoriesROLLS ROYCE CORP·Filed 2019·Granted May 18, 2021·7 cites·17 claims
- 3193US7610976B2Hybrid powertrain with electrically variable transmission having parallel friction launch and methodGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Nov 3, 2009·34 cites·7 claims
- 3293US7278941B2Electrically variable transmission with selective fixed ratio operationGEN MOTORS CORP·Filed 2005·Granted Oct 9, 2007·31 cites·12 claims
- 3392US11453488B2Lightweight parallel combustion lift system for vertical takeoff aircraftROLLS ROYCE CORP·Filed 2019·Granted Sep 27, 2022·6 cites·16 claims
- 3492US6527659B1Two-mode input-compound split electromechanical transmission for front wheel drive vehiclesGEN MOTORS CORP·Filed 2001·Granted Mar 4, 2003·60 cites·9 claims
- 3592US5971883AMulti-speed power transmissionGEN MOTORS CORP·Filed 1998·Granted Oct 26, 1999·55 cites·4 claims
- 3691US8182391B2Electric torque converter for a powertrain and method of operating a vehicleKLEMEN DONALD·Filed 2008·Granted May 22, 2012·28 cites·19 claims
- 3791US7104917B2Countershaft planetary transmissionsGEN MOTORS CORP·Filed 2004·Granted Sep 12, 2006·34 cites·5 claims
- 3890US7261660B2Electrically variable transmission arrangement with transfer gear between gear sets and clutchesGEN MOTORS CORP·Filed 2005·Granted Aug 28, 2007·26 cites·19 claims
- 3990US7214154B2Electrically variable transmission having six fixed speed ratiosGEN MOTORS CORP·Filed 2005·Granted May 8, 2007·27 cites·9 claims
- 4089US7810592B2Light hybrid vehicle configurationGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Oct 12, 2010·22 cites·14 claims
- 4189US7101298B2Electric variable transmission with de-coupled engine charging in reverseGEN MOTORS CORP·Filed 2004·Granted Sep 5, 2006·57 cites·23 claims
- 4288US10794282B2Inlet turbine for high-mach enginesROLLS ROYCE NAM TECH INC·Filed 2017·Granted Oct 6, 2020·6 cites·8 claims
- 4388US7846051B2Hybrid powertrain with an engine input clutch and method of controlGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Dec 7, 2010·20 cites·4 claims
- 4488US7282003B2Powertrain including input disconnect and accessory drive system for an electrically variable transmissionGEN MOTORS CORP·Filed 2004·Granted Oct 16, 2007·47 cites·17 claims
- 4588US4976670APower transmissionGEN MOTORS CORP·Filed 1989·Granted Dec 11, 1990·40 cites·5 claims
- 4687US7238132B2Electrically variable transmission arrangement with transfer gear between motor/generatorsGEN MOTORS CORP·Filed 2005·Granted Jul 3, 2007·14 cites·19 claims
- 4787US6743135B2Modularly-constructed vehicular transmissionsGEN MOTORS CORP·Filed 2002·Granted Jun 1, 2004·52 cites·14 claims
- 4886US7169073B2Powertrain with electrically variable transmissionGEN MOTORS CORP·Filed 2005·Granted Jan 30, 2007·13 cites·5 claims
- 4985US9570958B2Generator with controlled air cooling amplifierROLLS ROYCE CORP·Filed 2015·Granted Feb 14, 2017·3 cites·20 claims
- 5085US7833119B2Powertrain with series electric launch and electric power assisted performanceGM GLOBAL TECHNOLOGY CORP INC·Filed 2005·Granted Nov 16, 2010·23 cites·12 claims
Showing the top 50 of 89 patent records by PatentIndex Score.
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