Inventor · disambiguated record
Ralph Hobmeyr
Also filed as: HOBMEYR RALPH · HOBMEYR RALPH T J
19 granted patents·2 pending applications·79 citations·filing 2003–2014
92Inventor score
Files withGM GLOBAL TECH OPERATIONS INC7GEN MOTORS CORP5HOBMEYR RALPH5BARBER NICHOLS INC1GM GLOBAL TECH OPERATIONS LLC1
Top patents by PatentIndex Score
21 records- 0184US8561453B2Calibration of all pressure transducers in a hydrogen storage systemHOBMEYR RALPH·Filed 2010·Granted Oct 22, 2013·13 cites·20 claims
- 0277US8656938B2Compressed gas tank system with fast fueling ability at any vessel pressureHOBMEYR RALPH·Filed 2010·Granted Feb 25, 2014·4 cites·18 claims
- 0376US7413822B2Device and method to release the overpressure of a fuel cell coolant tankGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Aug 19, 2008·5 cites·20 claims
- 0473US8506266B2Sealing system assembly for high pressure fluid handling devicesHOBMEYR RALPH·Filed 2011·Granted Aug 13, 2013·1 cites·16 claims
- 0572US7354669B2Operation method and purging system for a hydrogen demand/delivery unit in a fuel cell systemGEN MOTORS CORP·Filed 2004·Granted Apr 8, 2008·19 cites·28 claims
- 0671US9163616B2Passive closing device for thermal self-protection of high pressure gas vesselsGM GLOBAL TECH OPERATIONS INC·Filed 2014·Granted Oct 20, 2015·2 cites·20 claims
- 0771US7368196B2Cold start pre-heater for a fuel cell systemGEN MOTORS CORP·Filed 2004·Granted May 6, 2008·10 cites·17 claims
- 0863US8007948B2Ion exchange cartridge for fuel cell applicationsGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted Aug 30, 2011·3 cites·17 claims
- 0962US8053127B2Fuel cell cooling tank assemblyGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted Nov 8, 2011·2 cites·8 claims
- 1057US7217469B2Fluid handling device for hydrogen-containing process fluidsGEN MOTORS CORP·Filed 2003·Granted May 15, 2007·5 cites·11 claims
- 1153US2009269639A1Fuel cell cooling tank assemblyGM GLOBAL TECH OPERATIONS INC·Filed 2008·Application pending·0 cites
- 1252US7905493B2Sealing system assembly for high pressure fluid handling devicesGM GLOBAL TECH OPERATIONS INC·Filed 2004·Granted Mar 15, 2011·4 cites·20 claims
- 1349US9752697B2Valve unit and motor vehicleGM GLOBAL TECH OPERATIONS LLC·Filed 2014·Granted Sep 5, 2017·0 cites·19 claims
- 1448US7021907B2Ventilation and purge of a hydrogen blowerGEN MOTORS CORP·Filed 2003·Granted Apr 4, 2006·5 cites·23 claims
- 1545US7709125B2Vehicle plumbing to release hydrogen from fluidGM GLOBAL TECH OPERATIONS INC·Filed 2003·Granted May 4, 2010·0 cites·8 claims
- 1641US7155916B2Supply unit coolingBARBER NICHOLS INC·Filed 2003·Granted Jan 2, 2007·5 cites·33 claims
- 1740US9911994B2Piezoelectric injector for fuel cellHOBMEYR RALPH·Filed 2011·Granted Mar 6, 2018·0 cites·20 claims
- 1840US8927171B2Method for preventing pressure in vessels from dropping below minimum allowable pressureHOBMEYR RALPH·Filed 2010·Granted Jan 6, 2015·0 cites·16 claims
- 1939US8875735B2Coolant ventilation systemPECHTOLD RAINER·Filed 2006·Granted Nov 4, 2014·0 cites·19 claims
- 2037US2005100462A1Concentric bearing and seal arrangement of a shaft in a hydrogen systemFiled 2003·Application pending·0 cites
- 2134US7176385B2EMI protection and fuel cell systems employing the sameGEN MOTORS CORP·Filed 2003·Granted Feb 13, 2007·1 cites·41 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →