Assignee
RICON CORP
US·43 granted patents·1 pending application·1,715 citations·filing 1980–2019
Top patents by PatentIndex Score
44 records- 0196US6179545B1Flip-over rampRICON CORP·Filed 1999·Granted Jan 30, 2001·141 cites·32 claims
- 0292US6802095B1Ramp assembly having a lift and lock mechanismRICON CORP·Filed 2003·Granted Oct 12, 2004·65 cites·2 claims
- 0392US5228538APassenger lift with an electric safety interlockRICON CORP·Filed 1992·Granted Jul 20, 1993·47 cites·11 claims
- 0490US5636399AMovable ramp assemblyRICON CORP·Filed 1995·Granted Jun 10, 1997·124 cites·23 claims
- 0587US5832555ACompact moveable ramp assemblyRICON CORP·Filed 1997·Granted Nov 10, 1998·117 cites·25 claims
- 0686US4353436AManual wheelchair liftRICON CORP·Filed 1980·Granted Oct 12, 1982·63 cites·21 claims
- 0785US7445416B2Wheelchair lift with slidable support armRICON CORP·Filed 2006·Granted Nov 4, 2008·20 cites·6 claims
- 0885US6379102B1Wheelchair lift with foldable platformRICON CORP·Filed 2000·Granted Apr 30, 2002·65 cites·14 claims
- 0984US5944473ALocking wheelchair liftRICON CORP·Filed 1996·Granted Aug 31, 1999·47 cites·24 claims
- 1084US5605431ALocking wheelchair liftRICON CORP·Filed 1996·Granted Feb 25, 1997·53 cites·9 claims
- 1183US7001132B2Foldable rampRICON CORP·Filed 2004·Granted Feb 21, 2006·50 cites·10 claims
- 1282US6698998B2Foldable rampRICON CORP·Filed 2002·Granted Mar 2, 2004·62 cites·17 claims
- 1381US6203266B1Power safety barrier for wheelchair liftRICON CORP·Filed 1997·Granted Mar 20, 2001·49 cites·24 claims
- 1481US5556250AVehicle liftsRICON CORP·Filed 1995·Granted Sep 17, 1996·75 cites·24 claims
- 1579US6098995AVehicle suspension for providing kneeling function to a vehicle having a lowered floorRICON CORP·Filed 1999·Granted Aug 8, 2000·65 cites·15 claims
- 1678US6585474B1Wheelchair lift with foldable platformRICON CORP·Filed 2001·Granted Jul 1, 2003·47 cites·12 claims
- 1777US7815413B2Method of stowing wheelchair liftRICON CORP·Filed 2008·Granted Oct 19, 2010·16 cites·5 claims
- 1876US6086314AFoldable platform wheelchair liftRICON CORP·Filed 1997·Granted Jul 11, 2000·67 cites·16 claims
- 1975US6102648ADriving mechanism for vehicle liftsRICON CORP·Filed 1997·Granted Aug 15, 2000·55 cites·19 claims
- 2075US6022066ADoor extension for vehicle doorsRICON CORP·Filed 1998·Granted Feb 8, 2000·38 cites·18 claims
- 2171US6042327AArm lever adaptor for adapting a handrail of a wheelchair liftRICON CORP·Filed 1998·Granted Mar 28, 2000·43 cites·9 claims
- 2271US5373915APassenger lift with an electric safety interlockRICON CORP·Filed 1993·Granted Dec 20, 1994·49 cites·9 claims
- 2370US6971967B2Clutch-driven limited force actuatorRICON CORP·Filed 2003·Granted Dec 6, 2005·13 cites·30 claims
- 2469US5794381ASelectively engageable motor drive assemblyRICON CORP·Filed 1995·Granted Aug 18, 1998·41 cites·21 claims
- 2569US5445488ALocking wheelchair liftRICON CORP·Filed 1993·Granted Aug 29, 1995·27 cites·15 claims
- 2663US6062805AVehicular wheelchair step liftRICON CORP·Filed 1998·Granted May 16, 2000·41 cites·5 claims
- 2763US5308215APassenger lift movable at variable speedsRICON CORP·Filed 1992·Granted May 3, 1994·24 cites·10 claims
- 2861US9456940B2Load sensing system for wheelchair lift arrangementRICON CORP·Filed 2013·Granted Oct 4, 2016·3 cites·21 claims
- 2959US5613321AReleasable drive mechanismRICON CORP·Filed 1994·Granted Mar 25, 1997·29 cites·9 claims
- 3058US9943454B2Installation method and arrangement for a wheelchair lift arrangementRICON CORP·Filed 2013·Granted Apr 17, 2018·1 cites·17 claims
- 3157US6043741AThreshold warning system for wheelchair liftsRICON CORP·Filed 1998·Granted Mar 28, 2000·34 cites·34 claims
- 3256US5234311AWheelchair lift with adjustable postsRICON CORP·Filed 1992·Granted Aug 10, 1993·43 cites·9 claims
- 3355US9783081B2Power transfer seatRICON CORP·Filed 2014·Granted Oct 10, 2017·2 cites·23 claims
- 3455US7467917B2Slidably collapsible two arm wheelchair liftRICON CORP·Filed 2006·Granted Dec 23, 2008·4 cites·10 claims
- 3547US10384569B2Power transfer seatRICON CORP·Filed 2017·Granted Aug 20, 2019·0 cites·6 claims
- 3647US6173737B1Bidirectional flow control valveRICON CORP·Filed 1999·Granted Jan 16, 2001·17 cites·22 claims
- 3745US2006104773A1Foldable rampRICON CORP·Filed 2005·Application pending·0 cites
- 3843US11124092B2Transfer seat and methodRICON CORP·Filed 2019·Granted Sep 21, 2021·0 cites·20 claims
- 3943US4977981AWayside liftRICON CORP·Filed 1989·Granted Dec 18, 1990·11 cites·2 claims
- 4042US4953665AWayside liftRICON CORP·Filed 1989·Granted Sep 4, 1990·23 cites·8 claims
- 4138US6149218ARaised roof for vehiclesRICON CORP·Filed 1998·Granted Nov 21, 2000·15 cites·17 claims
- 4237US9783094B2Self-aligning platform mechanism for low-floor vehicles access deviceRICON CORP·Filed 2013·Granted Oct 10, 2017·0 cites·20 claims
- 4337US6236905B1Method of and apparatus for providing self-learning correction to platform positioning movementRICON CORP·Filed 1999·Granted May 22, 2001·15 cites·5 claims
- 4435US5944388ARemovable vehicle seatRICON CORP·Filed 1997·Granted Aug 31, 1999·14 cites·33 claims
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