Inventor · disambiguated record
James S. Siepierski
Also filed as: SIEPIERSKI JAMES S
10 granted patents·3 pending applications·221 citations·filing 1999–2010
90Inventor score
Top patents by PatentIndex Score
13 records- 0190US7320840B2Combination of injector-ejector for fuel cell systemsGEN MOTORS CORP·Filed 2004·Granted Jan 22, 2008·43 cites·27 claims
- 0290US6365289B1Cogeneration system for a fuel cellGEN MOTORS CORP·Filed 1999·Granted Apr 2, 2002·78 cites·5 claims
- 0377US6902838B2Cogeneration system for a fuel cellGEN MOTORS CORP·Filed 2001·Granted Jun 7, 2005·11 cites·3 claims
- 0476US7067211B2Cogeneration system for a fuel cellGEN MOTORS CORP·Filed 2001·Granted Jun 27, 2006·10 cites·9 claims
- 0575US6268074B1Water injected fuel cell system compressorGEN MOTORS CORP·Filed 1999·Granted Jul 31, 2001·56 cites·9 claims
- 0668US6830842B2Hydrogen purged motor for anode re-circulation blowerGEN MOTORS CORP·Filed 2001·Granted Dec 14, 2004·18 cites·20 claims
- 0767US6884528B2Cogeneration system for a fuel cellGEN MOTORS CORP·Filed 2001·Granted Apr 26, 2005·5 cites·2 claims
- 0853US7781113B2Circulation check for fuel cell coolantGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Aug 24, 2010·0 cites·3 claims
- 0948US2008187796A1Integrated Load Following Anode Gas Pump and Cathode Gas Compressor for a Fuel Cell Power SystemGM GLOBAL TECH OPERATIONS INC·Filed 2007·Application pending·0 cites
- 1047US8158296B2Circulation check for fuel cell coolantFARRIS STEPHEN·Filed 2010·Granted Apr 17, 2012·0 cites·6 claims
- 1146US7205058B2Residual stack shutdown energy storage and usage for a fuel cell power systemGEN MOTORS CORP·Filed 2003·Granted Apr 17, 2007·0 cites·16 claims
- 1246US2007178347A1Coolant bypass for fuel cell stackSIEPIERSKI JAMES S·Filed 2006·Application pending·0 cites
- 1341US2004161647A1Surge avoidance and control of a centrifugal compressor in a fuel cell systemFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →