Assignee
KER TRAIN HOLDINGS LTD
CA·18 granted patents·333 citations·filing 1995–2020
Top patents by PatentIndex Score
18 records- 0196US6409001B1Full-complement multi-directional couplingKER TRAIN HOLDINGS LTD·Filed 1998·Granted Jun 25, 2002·82 cites·22 claims
- 0290US6669594B2Coplanar reverted gear train loopKER TRAIN HOLDINGS LTD·Filed 2002·Granted Dec 30, 2003·28 cites·2 claims
- 0389US5638931AAutomotive accessory drive pulleys incorporating spiral type one-way clutchKER TRAIN HOLDINGS LTD·Filed 1995·Granted Jun 17, 1997·54 cites·10 claims
- 0488US6418810B1Coplanar reverted gear train loopKER TRAIN HOLDINGS LTD·Filed 2000·Granted Jul 16, 2002·30 cites·13 claims
- 0582US10704604B2One-to-one torque couplingKER TRAIN HOLDINGS LTD·Filed 2015·Granted Jul 7, 2020·2 cites·3 claims
- 0682US6129189ASpiral type one-way clutchKER TRAIN HOLDINGS LTD·Filed 1996·Granted Oct 10, 2000·34 cites·10 claims
- 0776US6126566ACoplanar reverted gear train loopKER TRAIN HOLDINGS LTD·Filed 1998·Granted Oct 3, 2000·33 cites·19 claims
- 0875US6849023B1All gear infinitely variable transmissionKER TRAIN HOLDINGS LTD·Filed 1999·Granted Feb 1, 2005·22 cites·14 claims
- 0971US11867238B2One-to-one torque couplingKER TRAIN HOLDINGS LTD·Filed 2020·Granted Jan 9, 2024·0 cites·7 claims
- 1069US7188719B2All gear infinitely variable transmissionKER TRAIN HOLDINGS LTD·Filed 2004·Granted Mar 13, 2007·11 cites·5 claims
- 1162US10113595B2Concentric V-groove couplingKER TRAIN HOLDINGS LTD·Filed 2017·Granted Oct 30, 2018·0 cites·20 claims
- 1261US6446776B1Spiral-type couplingKER TRAIN HOLDINGS LTD·Filed 1998·Granted Sep 10, 2002·16 cites·17 claims
- 1357US9732803B2Concentric V-groove couplingKER-TRAIN HOLDINGS LTD·Filed 2014·Granted Aug 15, 2017·0 cites·29 claims
- 1457US6367604B1Power transfer deviceKER TRAIN HOLDINGS LTD·Filed 1998·Granted Apr 9, 2002·13 cites·6 claims
- 1551US6766891B2Power transfer deviceKER TRAIN HOLDINGS LTD·Filed 2003·Granted Jul 27, 2004·2 cites·3 claims
- 1643US6691847B2Power transfer deviceKER TRAIN HOLDINGS LTD·Filed 2002·Granted Feb 17, 2004·1 cites·5 claims
- 1740US10730552B2Tracked-vehicle regenerative steering differentialKER TRAIN HOLDINGS LTD·Filed 2016·Granted Aug 4, 2020·0 cites·14 claims
- 1837US6637313B1Rotary pumpKER TRAIN HOLDINGS LTD·Filed 1999·Granted Oct 28, 2003·5 cites·10 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →