Inventor · disambiguated record
Walter Parzefall
Also filed as: PARZEFALL WALTER
13 granted patents·166 citations·filing 1985–2001
92Inventor score
Top patents by PatentIndex Score
13 records- 0185US6502682B2Hydraulic release systemLUK LAMELLEN & KUPPLUNGSBAU·Filed 2001·Granted Jan 7, 2003·17 cites·27 claims
- 0271US5547058AHydraulically actuatable device for disengaging a gearshift clutch of an automotive vehicleSCHAEFFLER WAELZLAGER KG·Filed 1995·Granted Aug 20, 1996·26 cites·5 claims
- 0369US6470909B2Hydraulic systemLUK LAMELLEN & KUPPLUNGSBAU·Filed 2000·Granted Oct 29, 2002·11 cites·41 claims
- 0464US4969755AInner bearing ring of a clutch release bearingSCHAEFFLER WAELZLAGER KG·Filed 1990·Granted Nov 13, 1990·23 cites·7 claims
- 0561US4773516ANovel clutch lever support meansSCHAEFFLER WAELZLAGER KG·Filed 1987·Granted Sep 27, 1988·14 cites·5 claims
- 0659US6273231B1Fluid operated clutch disengaging apparatusLUK LAMELLEN & KUPPLUNGSBAU·Filed 1999·Granted Aug 14, 2001·18 cites·30 claims
- 0758US4648500AClutch release meansSCHAEFFLER WAELZLAGER KG·Filed 1985·Granted Mar 10, 1987·12 cites·2 claims
- 0858US4544212ALinear rolling bearing for rectangular barSCHAEFFLER WAELZLAGER KG·Filed 1985·Granted Oct 1, 1985·19 cites·13 claims
- 0946US4863005AFriction clutchSCHAEFFLER WAELZLAGER KG·Filed 1988·Granted Sep 5, 1989·8 cites·11 claims
- 1044US4832166AFriction clutch for motor vehiclesSCHAEFFLER WAELZLAGER KG·Filed 1988·Granted May 23, 1989·7 cites·10 claims
- 1139US4911277ARelease bearing asssembly for a push type motor vehicle clutchSCHAEFFLER WAELZLAGER KG·Filed 1989·Granted Mar 27, 1990·5 cites·10 claims
- 1238US4850467AClutch release sleeveSCHAEFFLER WAELZLAGER KG·Filed 1989·Granted Jul 25, 1989·5 cites·1 claims
- 1329US5076717APolymeric sliding sleeve for clutch release bearingsSCHAEFFLER WAELZLAGER KG·Filed 1990·Granted Dec 31, 1991·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →