Inventor · disambiguated record
Yves J. Kemper
Also filed as: BIGOT LUCIEN · KEMPER YVES · KEMPER YVES J · KEMPER YVES JEAN
35 granted patents·2 pending applications·815 citations·filing 1974–2005
98Inventor score
Top patents by PatentIndex Score
37 records- 0198US4369667ATraction surface cooling method and apparatusVADETEC CORP·Filed 1981·Granted Jan 25, 1983·206 cites·15 claims
- 0294US4282947AHybrid vehicular power system and methodVADETEC CORP·Filed 1978·Granted Aug 11, 1981·62 cites·20 claims
- 0392US4393964AHybrid power system and method for operating sameIPANEMA CO·Filed 1981·Granted Jul 19, 1983·64 cites·34 claims
- 0489US4152946ATransmission devicesVADETEC CORP·Filed 1976·Granted May 8, 1979·40 cites·69 claims
- 0588US4856371ATraction drive transmission systemTRACTIONTEC CORP·Filed 1987·Granted Aug 15, 1989·43 cites·17 claims
- 0687US4152944APiston type energy conversion machineVADETEC CORP·Filed 1977·Granted May 8, 1979·41 cites·18 claims
- 0787US4100815AVariable displacement piston engineVADETEC CORP·Filed 1976·Granted Jul 18, 1978·35 cites·18 claims
- 0886US4094202APiston stroke varying mechanism for expansible chamber energy conversion machinesVADETEC CORP·Filed 1976·Granted Jun 13, 1978·33 cites·13 claims
- 0985US4144771AVariable stroke piston type engineVADETEC CORP·Filed 1977·Granted Mar 20, 1979·33 cites·17 claims
- 1075US4238976AInfinitely variable power transmission and systemVADETEC CORP·Filed 1978·Granted Dec 16, 1980·22 cites·12 claims
- 1175US4112779AVariable speed transmission deviceVADETEC CORP·Filed 1976·Granted Sep 12, 1978·23 cites·30 claims
- 1274US4112780AVariable speed transmission deviceVADETEC CORP·Filed 1977·Granted Sep 12, 1978·24 cites·23 claims
- 1373US4296647ADifferential transmission drive unitVADETEC CORP·Filed 1979·Granted Oct 27, 1981·21 cites·18 claims
- 1467US5967283AClutch spring assemblyFiled 1997·Granted Oct 19, 1999·19 cites·10 claims
- 1566US4233851AInfinitely variable transmission unit and methodVADETEC CORP·Filed 1979·Granted Nov 18, 1980·20 cites·28 claims
- 1656US4495829APower drive line having a wide range of speed ratiosIPANEMA CO·Filed 1980·Granted Jan 29, 1985·14 cites·13 claims
- 1756US4233859AInfinitely variable transmission unit and system incorporating sameVADETEC CORP·Filed 1979·Granted Nov 18, 1980·12 cites·13 claims
- 1855US4152945APower transmitting mechanismVADETEC CORP·Filed 1977·Granted May 8, 1979·12 cites·11 claims
- 1952US4235127ATraction surface cooling system for torque transmissionsVADETEC CORP·Filed 1979·Granted Nov 25, 1980·10 cites·12 claims
- 2051US4277982ATorque transmitting body for traction drive transmissions and normal friction force developing methodVADETEC CORP·Filed 1979·Granted Jul 14, 1981·10 cites·10 claims
- 2149US5794753AControlled force actuator systemFiled 1997·Granted Aug 18, 1998·10 cites·4 claims
- 2247US3955432ATransmission deviceVADETEC SA·Filed 1974·Granted May 11, 1976·10 cites·16 claims
- 2344US4117736AVariable stroke expansible energy conversion machine having static control meansVADETEC CORP·Filed 1977·Granted Oct 3, 1978·8 cites·14 claims
- 2441US4630494ARadially oriented nutational traction drive transmissionKEMPER YVES J·Filed 1985·Granted Dec 23, 1986·9 cites·23 claims
- 2541US4258581ACounterbalancing system for nutational traction drive transmissionsVADETEC CORP·Filed 1979·Granted Mar 31, 1981·7 cites·7 claims
- 2640US4957474ATraction drive transmission systemTRACTIONTEC CORP·Filed 1990·Granted Sep 18, 1990·8 cites·15 claims
- 2738US4572015ANutating traction drive transmissionCATERPILLAR TRACTOR CO·Filed 1984·Granted Feb 25, 1986·5 cites·52 claims
- 2838US2005205376A1Ramp actuatorKEMPER YVES J·Filed 2005·Application pending·0 cites
- 2937US2007163856A1Coaxial friction clutch actuator systemKEMPER YVES J·Filed 2003·Application pending·0 cites
- 3035US5984071AControlled force actuator systemFiled 1997·Granted Nov 16, 1999·4 cites·18 claims
- 3135US5887691AControlled force actuator systemFiled 1996·Granted Mar 30, 1999·4 cites·22 claims
- 3230US5893444ASpring assisted electronically actuated and controlled starting clutch system, and method for operating the sameFiled 1997·Granted Apr 13, 1999·1 cites·16 claims
- 3330US4522079AContinuously variable transmission unitCATERPILLAR TRACTOR CO·Filed 1980·Granted Jun 11, 1985·1 cites·10 claims
- 3430US4454782ATorque transmitting body for traction drive transmissions and normal friction force developing methodVADETEC CORP·Filed 1980·Granted Jun 19, 1984·1 cites·8 claims
- 3529US4694701ARadially oriented nutational traction drive transmission with large range of speed ratiosTRACTIONTEC CORP·Filed 1986·Granted Sep 22, 1987·0 cites·19 claims
- 3629US4178812AVariable speed transmission deviceVADETEC CORP·Filed 1978·Granted Dec 18, 1979·1 cites·3 claims
- 3725US4745821ASpeed ratio adjusting system for nutational traction drive transmissionsBLOOMFIELD RESEARCH LIMITED PA·Filed 1986·Granted May 24, 1988·2 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →