Inventor · disambiguated record
Mark L. Hopper
Also filed as: HOPPER MARK · HOPPER MARK L · HOPPER MARK LEONARD
19 granted patents·11 pending applications·226 citations·filing 1999–2025
94Inventor score
Top patents by PatentIndex Score
30 records- 0195US10711693B2Gas turbine engine with an engine rotor element turning deviceGEN ELECTRIC·Filed 2017·Granted Jul 14, 2020·14 cites·20 claims
- 0295US10323541B2Bearing outer race retention during high load eventsGEN ELECTRIC·Filed 2017·Granted Jun 18, 2019·16 cites·20 claims
- 0394US6361287B1Fluid pumping system for automatic transmissionGEN MOTORS CORP·Filed 2000·Granted Mar 26, 2002·68 cites·6 claims
- 0486US8443843B2Air-oil separatorMOUNT JAMES KEVIN·Filed 2012·Granted May 21, 2013·12 cites·8 claims
- 0584US2025377023A1Lubricant draining bearing assembliesGEN ELECTRIC·Filed 2025·Application pending·0 cites
- 0682US11454134B2Damper control valve for a turbomachineGEN ELECTRIC·Filed 2020·Granted Sep 27, 2022·2 cites·20 claims
- 0779US6926639B2Vehicle control methodVISTEON GLOBAL TECH INC·Filed 2003·Granted Aug 9, 2005·34 cites·16 claims
- 0877US12410835B2Lubricant draining bearing assembliesGEN ELECTRIC·Filed 2023·Granted Sep 9, 2025·0 cites·20 claims
- 0974US8292034B2Air-oil separatorMOUNT JAMES KEVIN·Filed 2007·Granted Oct 23, 2012·14 cites·12 claims
- 1068US10329938B2Aspirating face seal starter tooth abradable pocketGEN ELECTRIC·Filed 2017·Granted Jun 25, 2019·1 cites·32 claims
- 1166US7305942B2Electromechanical valve actuatorVISTEON GLOBAL TECH INC·Filed 2005·Granted Dec 11, 2007·3 cites·15 claims
- 1266US7154326B2Dither amplitude correction for constant current driversVISTEON GLOBAL TECH INC·Filed 2005·Granted Dec 26, 2006·11 cites·18 claims
- 1363US12140034B2Turbine engine with a rotor seal retraction mechanismGEN ELECTRIC·Filed 2023·Granted Nov 12, 2024·0 cites·20 claims
- 1460US6842673B2Engine engagement control for a hybrid electric vehicleVISTEON GLOBAL TECH INC·Filed 2002·Granted Jan 11, 2005·14 cites·23 claims
- 1559US6123645ANeutral idle control mechanism for a torque-transmitting clutch in a power transmissionGEN MOTORS CORP·Filed 1999·Granted Sep 26, 2000·16 cites·2 claims
- 1657US6736228B2Electric machine with integrated wet clutchesVISTEON GLOBAL TECH INC·Filed 2001·Granted May 18, 2004·14 cites·15 claims
- 1752US2007215077A1Electromechanical valve actuator beginning of stroke damperVISTEON GLOBAL TECH INC·Filed 2007·Application pending·0 cites
- 1847US2023407762A1Dampers for seal assembliesGEN ELECTRIC·Filed 2023·Application pending·0 cites
- 1946US7255073B2Electromechanical valve actuator beginning of stroke damperVISTEON GLOBAL TECH INC·Filed 2004·Granted Aug 14, 2007·2 cites·6 claims
- 2043US7152558B2Electromechanical valve actuator assemblyVISTEON GLOBAL TECH INC·Filed 2005·Granted Dec 26, 2006·0 cites·24 claims
- 2143US2009034896A1Bearing retainerFISHER KENNETH LEE·Filed 2008·Application pending·0 cites
- 2239US2004149944A1Electromechanical valve actuatorFiled 2004·Application pending·0 cites
- 2339US2005076866A1Electromechanical valve actuatorFiled 2004·Application pending·0 cites
- 2438US7089894B2Electromechanical valve actuator assemblyVISTEON GLOBAL TECH INC·Filed 2004·Granted Aug 15, 2006·0 cites·31 claims
- 2538US2009101230A1Apparatus for filling an oil tankANSTEAD DUANE H·Filed 2007·Application pending·0 cites
- 2638US2005001702A1Electromechanical valve actuatorFiled 2004·Application pending·0 cites
- 2736US6117045APressure ratio control system for a continuously variable drive unitGEN MOTORS CORP·Filed 1999·Granted Sep 12, 2000·5 cites·7 claims
- 2836US2004179962A1System and method for regulating pressure in an automatic transmissionFiled 2003·Application pending·0 cites
- 2930US2017030221A1Bearing support housing for a gas turbine engineGEN ELECTRIC·Filed 2015·Application pending·0 cites
- 3029US2014020995A1Annular Dashpot DamperHOPPER MARK LEONARD·Filed 2012·Application pending·0 cites
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