Inventor · disambiguated record
Wolfgang Grosspietsch
Also filed as: GROSPIETSCH WOLFGANG DIPL ING · GROSSPIETSCH WOLFGANG
45 granted patents·3 pending applications·786 citations·filing 1981–2018
98Inventor score
Files withFICHTEL & SACHS AG16MANNESMANN SACHS AG13ZAHNRADFABRIK FRIEDRICHSHAFEN10ZF SACHS AG4EBERT ANGELIKA1
Top patents by PatentIndex Score
48 records- 0196US6789658B2Clutch systemZF SACHS AG·Filed 2002·Granted Sep 14, 2004·70 cites·29 claims
- 0291US8757305B2Hybrid drive arrangementROSKE MICHAEL·Filed 2011·Granted Jun 24, 2014·20 cites·16 claims
- 0391US7484607B2Torsional vibration damperZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2006·Granted Feb 3, 2009·18 cites·14 claims
- 0490US6116399AFriction clutch for a motor vehicle and an operation device for the operation, especially pneumatic operation, of a friction clutchFICHTEL & SACHS AG·Filed 1997·Granted Sep 12, 2000·50 cites·7 claims
- 0589US10995818B2Torque-transmission deviceZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2017·Granted May 4, 2021·6 cites·17 claims
- 0688US7114605B2Double or multiple disk coupling device and disk arrangement thereforZF SACHS AG·Filed 2001·Granted Oct 3, 2006·24 cites·18 claims
- 0788US5287951AHydraulically actuable releaser for a motor vehicle friction clutchFICHTEL & SACHS AG·Filed 1992·Granted Feb 22, 1994·43 cites·6 claims
- 0886US7147095B2Gearshift transmission for a motor vehicle with hydraulically actuated multiple clutchZF SACHS AG·Filed 2003·Granted Dec 12, 2006·23 cites·13 claims
- 0983US6575471B1Cylinder for a hydraulic systemMANNESMANN SACHS AG·Filed 2000·Granted Jun 10, 2003·27 cites·12 claims
- 1082US8556010B2Drive unit for a hybrid vehicleEBERT ANGELIKA·Filed 2010·Granted Oct 15, 2013·14 cites·15 claims
- 1181US6454314B1Seal for a plug-in connectionMANNESMANN SACHS AG·Filed 1999·Granted Sep 24, 2002·76 cites·17 claims
- 1279US5620076AHydraulically actuated clutch release systemFICHTEL & SACHS AG·Filed 1995·Granted Apr 15, 1997·31 cites·22 claims
- 1377US7021422B2Clutch systemZF SACHS AG·Filed 2001·Granted Apr 4, 2006·14 cites·72 claims
- 1476US4332679ADevice for indicating the degree of exhaustion of an adsorption filterFICHTEL & SACHS AG·Filed 1981·Granted Jun 1, 1982·37 cites·9 claims
- 1570US5211099ASlave cylinder for a hydraulic actuating system of a motor vehicle friction clutchFICHTEL & SACHS AG·Filed 1992·Granted May 18, 1993·22 cites·21 claims
- 1670US4782718AFly-wheel unit for an internal-combustion engineFICHTEL & SACHS AG·Filed 1986·Granted Nov 8, 1988·29 cites·6 claims
- 1769US8602192B2Multiple-disk clutch with resilient elementGROSSPIETSCH WOLFGANG·Filed 2010·Granted Dec 10, 2013·3 cites·14 claims
- 1867US7351175B2Drive train for a motor vehiclePORSCHE AG·Filed 2002·Granted Apr 1, 2008·12 cites·7 claims
- 1965US5806646AFriction clutch with mechanically-operated concentric disengagement deviceFICHTEL & SACHS AG·Filed 1996·Granted Sep 15, 1998·19 cites·19 claims
- 2065US5307915AFluid-actuable releaser for a friction clutchFICHTEL & SACHS AG·Filed 1992·Granted May 3, 1994·19 cites·14 claims
- 2162US4809830ATorque transmitting torsional vibration damper deviceFICHTEL & SACHS AG·Filed 1987·Granted Mar 7, 1989·18 cites·4 claims
- 2261US6644451B2Release mechanism for a double clutch assemblyMANNESMANN SACHS AG·Filed 2001·Granted Nov 11, 2003·6 cites·10 claims
- 2361US5960922AHydraulic cylinder such as a clutch master or servant cylinder in a motor vehicle having a bleed elementFICHTEL & SACHS AG·Filed 1997·Granted Oct 5, 1999·17 cites·17 claims
- 2459US6584869B2Ball screwMANNESMANN SACHS AG·Filed 2001·Granted Jul 1, 2003·8 cites·7 claims
- 2557US5908097AFriction clutch assembly with a device for indicating wear on a friction clutch and a device for indicating wear on a friction clutch for a friction clutch assemblyMANNESMANN SACHS·Filed 1997·Granted Jun 1, 1999·20 cites·13 claims
- 2656US5937988AThrottle device for hydraulic actuator systems and for hydraulic actuator systems of clutches of motor vehiclesFICHTEL & SACHS AG·Filed 1997·Granted Aug 17, 1999·18 cites·19 claims
- 2755US6250201B1Throttle device for hydraulic adjustment devices in motor vehiclesMANNESMANN SACHS AG·Filed 1999·Granted Jun 26, 2001·13 cites·4 claims
- 2854US10097063B2Assembly with an electric machineZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2014·Granted Oct 9, 2018·0 cites·15 claims
- 2954US6294854B1Drive arrangement for a motor vehicleMANNESMANN SACHS AG·Filed 1999·Granted Sep 25, 2001·28 cites·11 claims
- 3051US5062513AHub guidance for friction clutchFICHTEL & SACHS AG·Filed 1989·Granted Nov 5, 1991·10 cites·9 claims
- 3150US6702084B2Clutch operator arrangementMANNESMANN SACHS AG·Filed 2001·Granted Mar 9, 2004·4 cites·10 claims
- 3249US6343541B1Damping device for hydraulic adjustment devices in motor vehiclesMANNESMANN SACHS AG·Filed 1999·Granted Feb 5, 2002·10 cites·38 claims
- 3349US5964333AFriction clutch and a slave cylinder for the operation of a friction clutchFICHTEL & SACHS AG·Filed 1997·Granted Oct 12, 1999·10 cites·18 claims
- 3445US6029979ASealing arrangementMANNESMANN SACHS AG·Filed 1998·Granted Feb 29, 2000·13 cites·12 claims
- 3544US5860502AHydraulically operated clutch assembly for a motor vehicle having a detachable plug-type connectorFICHTEL & SACHS AG·Filed 1997·Granted Jan 19, 1999·15 cites·16 claims
- 3643US5979632ADisengagement mechanism for clutch actuation in motor vehiclesMANNESMANN SACHS AG·Filed 1998·Granted Nov 9, 1999·8 cites·10 claims
- 3743US2021123406A1Coupling Device For Transmitting Torque From A Gyrating Mass To A Drive Device And Corresponding MethodZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2018·Application pending·0 cites
- 3842US10704620B2Method for transmitting and dampening torquesZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2017·Granted Jul 7, 2020·0 cites·11 claims
- 3942US10704621B2Method for transmitting and damping torquesZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2017·Granted Jul 7, 2020·0 cites·12 claims
- 4042US5996468APiston-cylinder unitMANNESMANN SACHS AG·Filed 1997·Granted Dec 7, 1999·7 cites·7 claims
- 4141US10704619B2Method for transmitting and damping torquesZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2017·Granted Jul 7, 2020·0 cites·9 claims
- 4241US5779019AHydraulically operated clutch assembly for a motor vehicle having a cylinder with a plug-in connectionFICHTEL & SACHS AG·Filed 1997·Granted Jul 14, 1998·12 cites·13 claims
- 4338US2006289209A1Electromotive drive moduleZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2006·Application pending·0 cites
- 4438US2020309232A1Torque-Transmission DeviceZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2017·Application pending·0 cites
- 4537US5704462ACylinder for hydraulically operated clutches and brakes and hydraulically operated clutch assemblies for motor vehiclesFICHTEL & SACHS AG·Filed 1995·Granted Jan 6, 1998·6 cites·4 claims
- 4635US10738839B2Clutch assembly configured to prevent unwanted jolt during engagementZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2016·Granted Aug 11, 2020·0 cites·11 claims
- 4732US6123181AArticulation head for a clutch-release rocker arm of a friction clutchMANNESMANN SACHS AG·Filed 1999·Granted Sep 26, 2000·6 cites·5 claims
- 4830US6041692AOperation of pressure medium cylinders in motor vehiclesMANNESMANN SACHS AG·Filed 1998·Granted Mar 28, 2000·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →