Assignee
KOPPY CORP
US·17 granted patents·328 citations·filing 1975–2004
Top patents by PatentIndex Score
17 records- 0191US4014619ARetainer ring and splined member assemblyKOPPY CORP·Filed 1975·Granted Mar 29, 1977·52 cites·3 claims
- 0283US5906135ACoast clutch with power take off gearKOPPY CORP·Filed 1997·Granted May 25, 1999·29 cites·18 claims
- 0377US4089097AMethod of forming an annular slot in a longitudinally splined annular memberKOPPY CORP·Filed 1976·Granted May 16, 1978·20 cites·6 claims
- 0475US5180043ASplined assemblyKOPPY CORP·Filed 1992·Granted Jan 19, 1993·37 cites·2 claims
- 0574US5896970AClutch housingKOPPY CORP·Filed 1997·Granted Apr 27, 1999·21 cites·12 claims
- 0674US5881856AClutch drum and method of manufactureKOPPY CORP·Filed 1997·Granted Mar 16, 1999·21 cites·12 claims
- 0769US6158265AMethod of forming retaining members on a housingKOPPY CORP·Filed 1999·Granted Dec 12, 2000·17 cites·13 claims
- 0869US6058591AClutch drum and method of manufactureKOPPY CORP·Filed 1999·Granted May 9, 2000·23 cites·10 claims
- 0969US6035737AAssembly having an outer band member secured to an inner housingKOPPY CORP·Filed 1999·Granted Mar 14, 2000·17 cites·9 claims
- 1069US5305943ASplined assemblyKOPPY CORP·Filed 1992·Granted Apr 26, 1994·21 cites·4 claims
- 1163US4765167AMethod of roll forming pistonKOPPY CORP·Filed 1986·Granted Aug 23, 1988·21 cites·13 claims
- 1260US5893704ATorque converterKOPPY CORP·Filed 1997·Granted Apr 13, 1999·20 cites·20 claims
- 1359US6945086B2Clutch assembly including strengthening membersKOPPY CORP·Filed 2004·Granted Sep 20, 2005·4 cites·14 claims
- 1459US6776274B2Assembly for vehicle driveline componentsKOPPY CORP·Filed 2002·Granted Aug 17, 2004·5 cites·14 claims
- 1555US7243770B2Clutch assembly including strengthening membersKOPPY CORP·Filed 2002·Granted Jul 17, 2007·3 cites·13 claims
- 1649US4466566AMethod of forming a thin walled annular channelKOPPY CORP·Filed 1981·Granted Aug 21, 1984·10 cites·5 claims
- 1742US6007430ATwo-piece carrier assemblyKOPPY CORP·Filed 1997·Granted Dec 28, 1999·7 cites·20 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →