Inventor · disambiguated record
Sean Whitmarsh
Also filed as: WHITMARSH SEAN · WHITMARSH SEAN J
6 granted patents·135 citations·filing 1998–2010
84Inventor score
Top patents by PatentIndex Score
6 records- 0192US6802095B1Ramp assembly having a lift and lock mechanismRICON CORP·Filed 2003·Granted Oct 12, 2004·65 cites·2 claims
- 0270US6971967B2Clutch-driven limited force actuatorRICON CORP·Filed 2003·Granted Dec 6, 2005·13 cites·30 claims
- 0367US8713912B2Solid propellant rocket motors employing tungsten alloy burst discs and methods for the manufacture thereofDUPONT JAMES H·Filed 2010·Granted May 6, 2014·3 cites·20 claims
- 0461US8148670B2Rotary actuator ball-detent locking mechanismTONG JIE·Filed 2008·Granted Apr 3, 2012·5 cites·15 claims
- 0557US6043741AThreshold warning system for wheelchair liftsRICON CORP·Filed 1998·Granted Mar 28, 2000·34 cites·34 claims
- 0637US6236905B1Method of and apparatus for providing self-learning correction to platform positioning movementRICON CORP·Filed 1999·Granted May 22, 2001·15 cites·5 claims
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