Inventor · disambiguated record
John M. Loeffler
Also filed as: LOEFFLER JOHN · LOEFFLER JOHN M · LOEFFLER JOHN MICHAEL
34 granted patents·5 pending applications·774 citations·filing 1987–2024
97Inventor score
Top patents by PatentIndex Score
39 records- 0199US5560461AMultiple cone synchronizer for vehicle transmissionDANA CORP·Filed 1995·Granted Oct 1, 1996·339 cites·60 claims
- 0298US7669414B2Hydraulic energy recovery system with dual-powered auxiliary hydraulicsPARKER HANNIFIN CORP·Filed 2007·Granted Mar 2, 2010·68 cites·18 claims
- 0392US10336187B2Planetary power take off devicePARKER HANNIFIN CORP·Filed 2017·Granted Jul 2, 2019·6 cites·19 claims
- 0490US9765873B2Gear control system for vibration attenuationPARKER HANNIFIN CORP·Filed 2013·Granted Sep 19, 2017·10 cites·14 claims
- 0585US4807493ATwin countershaft transmission with floating main shaftDANA CORP·Filed 1987·Granted Feb 28, 1989·46 cites·23 claims
- 0684US5893892AVibration sensing and diagnostic system for vehicle drive train componentsDANA CORP·Filed 1997·Granted Apr 13, 1999·35 cites·20 claims
- 0784US5468197AShift rail position sensor for vehicle transmissionDANA CORP·Filed 1994·Granted Nov 21, 1995·35 cites·22 claims
- 0881US10406759B23D printing mechanical hold build plateUNIV FLORIDA·Filed 2016·Granted Sep 10, 2019·2 cites·20 claims
- 0981US9297426B2Power take-off with remotely mounted clutch assembly and lubricated splineGRAVES DAMON B·Filed 2009·Granted Mar 29, 2016·9 cites·14 claims
- 1080US4793378AInterlock valve and controlDANA CORP·Filed 1987·Granted Dec 27, 1988·33 cites·4 claims
- 1178US11186038B23D printing mechanical hold build plateUNIV FLORIDA·Filed 2019·Granted Nov 30, 2021·1 cites·18 claims
- 1276US6663532B1Dual strategy control for a toroidal drive type continuously variable transmissionTRANSMISIONES TSP S A DE C V·Filed 2000·Granted Dec 16, 2003·16 cites·5 claims
- 1376US2024229914A1Gear control system for vibration attenuationPARKER HANNIFIN CORP·Filed 2024·Application pending·0 cites
- 1475US9453566B2Hydromechanical transmission with double sump gear unit housingPARKER HANNIFIN CORP·Filed 2014·Granted Sep 27, 2016·4 cites·20 claims
- 1574US8306707B2Transmission shifting with speed dither and torque ditherZHANG YISHENG·Filed 2008·Granted Nov 6, 2012·6 cites·5 claims
- 1674US5450767AVehicle transmission having manually shifted lower gears and automatically shifted higher gearsDANA CORP·Filed 1993·Granted Sep 19, 1995·25 cites·78 claims
- 1773US9579976B2Planetary power take off devicePARKER HANNIFIN CORP·Filed 2014·Granted Feb 28, 2017·4 cites·20 claims
- 1873US8327637B2Hydraulic energy recovery system with dual-powered auxiliary hydraulicsLOEFFLER JOHN M·Filed 2010·Granted Dec 11, 2012·4 cites·21 claims
- 1971US11940041B2Gear control system for vibration attenuationPARKER HANNIFIN CORP·Filed 2021·Granted Mar 26, 2024·0 cites·5 claims
- 2070US5566579AVehicle transmission having manually shifted lower gears and automatically shifted higher gearsDANA CORP·Filed 1995·Granted Oct 22, 1996·18 cites·20 claims
- 2168US4827793AForward/center control shifting apparatus for a vehicle transmissionDANA CORP·Filed 1988·Granted May 9, 1989·20 cites·15 claims
- 2265US8818653B2Transmission shifting with speed dither and torque ditherZHANG YISHENG·Filed 2012·Granted Aug 26, 2014·2 cites·20 claims
- 2363US6234038B1Shift rail and fork support assembly for a vehicular transmissionTRANSMISSION TECHNOLOGIES CORP·Filed 1999·Granted May 22, 2001·17 cites·19 claims
- 2463US5596496AVibration sensing and diagnostic system for transmission assemblyDANA CORP·Filed 1996·Granted Jan 21, 1997·18 cites·17 claims
- 2560US11131377B2Gear control system for vibration attenuationPARKER HANNIFIN CORP·Filed 2017·Granted Sep 28, 2021·0 cites·10 claims
- 2657US8864619B2Planetary power take off deviceHORSFALL STEPHEN DANIEL·Filed 2009·Granted Oct 21, 2014·4 cites·17 claims
- 2757US5704252ACompact shift assembly with interlockDANA CORP·Filed 1995·Granted Jan 6, 1998·15 cites·19 claims
- 2851US2013294825A1Spline connectionPARKER HANNIFIN CORP·Filed 2013·Application pending·0 cites
- 2950US5284065ARemovable overdrive lockoutDANA CORP·Filed 1992·Granted Feb 8, 1994·12 cites·12 claims
- 3050US2013219875A1Hydraulic energy recovery system with dual-powered auxiliary hydraulicsPARKER HANNIFIN CORP·Filed 2012·Application pending·0 cites
- 3148US2025390406A1Method and system for automatic validation of data deliveryJPMORGAN CHASE BANK NA·Filed 2024·Application pending·0 cites
- 3246US10538160B2Combined power take-off and synchronizer assemblyPARKER HANNIFIN CORP·Filed 2014·Granted Jan 21, 2020·0 cites·16 claims
- 3346US4796741ASynchronizer blocker pin mounting structureDANA CORP·Filed 1987·Granted Jan 10, 1989·9 cites·10 claims
- 3445US5560255ARestraining plate and interlock bracket for vehicle transmissionDANA CORP·Filed 1995·Granted Oct 1, 1996·8 cites·4 claims
- 3540US8505413B2Hydraulic power output unit and hydraulic hybrid drive system including sameLOEFFLER JOHN M·Filed 2009·Granted Aug 13, 2013·0 cites·3 claims
- 3637US2004038772A1Dual strategy control for a toroidal drive type continuously variable transmissionFiled 2003·Application pending·0 cites
- 3733US5771746AInterlock assembly for vehicle transmissionDANA CORP·Filed 1997·Granted Jun 30, 1998·4 cites·18 claims
- 3832US4805471AMulti-speed transmissionDANA CORP·Filed 1987·Granted Feb 21, 1989·2 cites·15 claims
- 3929USD397255SCombined toothbrush and toothpaste dispensing apparatusLOEFFLER JOHN·Filed 1997·Granted Aug 25, 1998·2 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →