Inventor · disambiguated record
Charles Mackintosh
Also filed as: MACKINTOSH CHARLES
11 granted patents·4 pending applications·276 citations·filing 1975–2012
90Inventor score
Files withMACKINTOSH CHARLES6FOWLER SITIMA R2GM GLOBAL TECH OPERATIONS INC2MACHUCA JOE C2CHAPMAN IVAN D1
Top patents by PatentIndex Score
15 records- 0196US4274503APower operated wheelchairMACKINTOSH CHARLES·Filed 1979·Granted Jun 23, 1981·159 cites·23 claims
- 0279US8778551B2Fluid flow pulsing for increased stability in PEM fuel cellCHAPMAN IVAN DARYL·Filed 2008·Granted Jul 15, 2014·5 cites·19 claims
- 0378US4640469ASystem for rolling and unrolling a ground coverMACKINTOSH CHARLES·Filed 1985·Granted Feb 3, 1987·24 cites·10 claims
- 0477US4000702ATransportation systemMACKINTOSH CHARLES·Filed 1975·Granted Jan 4, 1977·35 cites·20 claims
- 0575US8057942B2Assisted stack anode purge at start-up of fuel cell systemMACHUCA JOE C·Filed 2007·Granted Nov 15, 2011·3 cites·10 claims
- 0670US3995560ARail obstruction sensing means for a rail transportation systemMACKINTOSH CHARLES·Filed 1975·Granted Dec 7, 1976·21 cites·7 claims
- 0755US8450025B2Assisted stack anode purge at start-up of fuel cell systemMACHUCA JOE C·Filed 2011·Granted May 28, 2013·0 cites·15 claims
- 0848US2014170514A1Variable pem fuel cell system start time to optimize system efficiency and performanceGM GLOBAL TECH OPERATIONS INC·Filed 2012·Application pending·0 cites
- 0947US2005260463A1Fluid flow pulsing for increased stability in PEM fuel cellCHAPMAN IVAN D·Filed 2004·Application pending·0 cites
- 1042US7879503B2Fuel cell stack including bypassGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Feb 1, 2011·0 cites·20 claims
- 1141US4909000AFolding grandstandROLLWAY GRANDSTAND CORP·Filed 1988·Granted Mar 20, 1990·14 cites·2 claims
- 1241US4152992ATrack switching arrangementMACKINTOSH CHARLES·Filed 1977·Granted May 8, 1979·9 cites·6 claims
- 1336US2006263663A1Temperature management of an end cell in a fuel cell stackFOWLER SITIMA R·Filed 2005·Application pending·0 cites
- 1436US2006263664A1Reactant management of a wet end cell in a fuel cell stackFOWLER SITIMA R·Filed 2005·Application pending·0 cites
- 1533US4162594AMovable seating methodMACKINTOSH CHARLES·Filed 1978·Granted Jul 31, 1979·6 cites·28 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →