Inventor · disambiguated record
Friedhelm John
Also filed as: JOHN FRIEDHELM
6 granted patents·161 citations·filing 1992–2007
85Inventor score
Top patents by PatentIndex Score
6 records- 0189US6299544B1Double offset joint with centering means for cageGKN LOEBRO GMBH·Filed 1999·Granted Oct 9, 2001·46 cites·14 claims
- 0285US5376049ATripod jointLOEHR & BROMKAMP GMBH·Filed 1992·Granted Dec 27, 1994·38 cites·21 claims
- 0381US5660494AConnection for the harmonic transmission of torqueLOEHR & BROMKAMP GMBH·Filed 1995·Granted Aug 26, 1997·33 cites·4 claims
- 0480US7677981B2Sealed joint assemblyGKN DRIVELINE DEUTSCHLAND GMBH·Filed 2007·Granted Mar 16, 2010·12 cites·14 claims
- 0578US6319133B1Constant velocity universal jointGKN LOEBRO GMBH·Filed 1998·Granted Nov 20, 2001·30 cites·9 claims
- 0629USRE36163ETripod jointLOEHR & BROMKAMP GMBH·Filed 1996·Granted Mar 23, 1999·2 cites·20 claims
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