Assignee
UTC FUEL CELLS LLC
US·160 granted patents·1 pending application·3,842 citations·filing 1998–2006
Top patents by PatentIndex Score
161 records- 0197US6455182B1Shift converter having an improved catalyst composition, and method for its useUTC FUEL CELLS LLC·Filed 2001·Granted Sep 24, 2002·90 cites·3 claims
- 0297US6451466B1Functional integration of multiple components for a fuel cell power plantUTC FUEL CELLS LLC·Filed 2000·Granted Sep 17, 2002·157 cites·18 claims
- 0395US7166263B2Ceria-based mixed-metal oxide structure, including method of making and useUTC FUEL CELLS LLC·Filed 2003·Granted Jan 23, 2007·87 cites·48 claims
- 0495US6635370B2Shut-down procedure for hydrogen-air fuel cell systemUTC FUEL CELLS LLC·Filed 2001·Granted Oct 21, 2003·71 cites·30 claims
- 0595US6514635B2Procedure for shutting down a fuel cell system having an anode exhaust recycle loopUTC FUEL CELLS LLC·Filed 2001·Granted Feb 4, 2003·74 cites·34 claims
- 0695US6399231B1Method and apparatus for regenerating the performance of a PEM fuel cellUTC FUEL CELLS LLC·Filed 2000·Granted Jun 4, 2002·103 cites·9 claims
- 0795US6379827B1Inerting a fuel cell with a wettable substrateUTC FUEL CELLS LLC·Filed 2000·Granted Apr 30, 2002·73 cites·20 claims
- 0894US7141324B2Hydrogen passivation shut down system for a fuel cell power plantUTC FUEL CELLS LLC·Filed 2005·Granted Nov 28, 2006·17 cites·14 claims
- 0994US6984464B2Hydrogen passivation shut down system for a fuel cell power plantUTC FUEL CELLS LLC·Filed 2003·Granted Jan 10, 2006·55 cites·6 claims
- 1094US6858336B2Procedure for shutting down a fuel cell system using air purgeUTC FUEL CELLS LLC·Filed 2002·Granted Feb 22, 2005·61 cites·32 claims
- 1194US6773684B2Compact fuel gas reformer assemblageUTC FUEL CELLS LLC·Filed 2001·Granted Aug 10, 2004·74 cites·7 claims
- 1294US6465910B2System for providing assured power to a critical loadUTC FUEL CELLS LLC·Filed 2001·Granted Oct 15, 2002·209 cites·11 claims
- 1394US6399234B2Fuel cell stack assembly with edge sealUTC FUEL CELLS LLC·Filed 2000·Granted Jun 4, 2002·68 cites·32 claims
- 1494US6391485B1Method and apparatus for purging a fuel cell system with coolantUTC FUEL CELLS LLC·Filed 2000·Granted May 21, 2002·58 cites·14 claims
- 1594US6387557B1Bonded fuel cell stack assembliesUTC FUEL CELLS LLC·Filed 2000·Granted May 14, 2002·91 cites·36 claims
- 1693US6569549B1Method for increasing the operational efficiency of a fuel cell power plantUTC FUEL CELLS LLC·Filed 2000·Granted May 27, 2003·55 cites·21 claims
- 1792US6887599B2Procedure for starting up a fuel cell system using a fuel purgeUTC FUEL CELLS LLC·Filed 2002·Granted May 3, 2005·39 cites·8 claims
- 1892US6645650B2Procedure for purging a fuel cell system with inert gas made from organic fuelUTC FUEL CELLS LLC·Filed 2001·Granted Nov 11, 2003·52 cites·11 claims
- 1992US6365291B1Direct antifreeze solution concentration control system for a fuel cell power plantUTC FUEL CELLS LLC·Filed 2000·Granted Apr 2, 2002·49 cites·24 claims
- 2091US6855453B2Fuel cell having a corrosion resistant and protected cathode catalyst layerUTC FUEL CELLS LLC·Filed 2002·Granted Feb 15, 2005·44 cites·20 claims
- 2191US6519510B1Method and apparatus for operating a fuel cell systemUTC FUEL CELLS LLC·Filed 2000·Granted Feb 11, 2003·37 cites·3 claims
- 2290US6558827B1High fuel utilization in a fuel cellUTC FUEL CELLS LLC·Filed 2001·Granted May 6, 2003·45 cites·11 claims
- 2390US6416892B1Interdigitated enthally exchange device for a fuel cell power plantUTC FUEL CELLS LLC·Filed 2000·Granted Jul 9, 2002·40 cites·20 claims
- 2489US6835479B2System and method for shutting down a fuel cell power plantUTC FUEL CELLS LLC·Filed 2002·Granted Dec 28, 2004·40 cites·8 claims
- 2589US6528194B1Freeze tolerant fuel cell power plantUTC FUEL CELLS LLC·Filed 2001·Granted Mar 4, 2003·39 cites·18 claims
- 2689US6472095B2Hybrid fuel cell reactant flow fieldsUTC FUEL CELLS LLC·Filed 2000·Granted Oct 29, 2002·35 cites·8 claims
- 2789US6432566B1Direct antifreeze cooled fuel cell power plantUTC FUEL CELLS LLC·Filed 1999·Granted Aug 13, 2002·98 cites·47 claims
- 2889US6376114B1Reformate fuel treatment system for a fuel cell power plantUTC FUEL CELLS LLC·Filed 2000·Granted Apr 23, 2002·44 cites·10 claims
- 2988US6913845B2Reducing fuel cell cathode potential during startup and shutdownUTC FUEL CELLS LLC·Filed 2002·Granted Jul 5, 2005·39 cites·11 claims
- 3087US6828048B2Shut-down procedure for fuel cell fuel processing systemUTC FUEL CELLS LLC·Filed 2001·Granted Dec 7, 2004·36 cites·17 claims
- 3187US6821668B1Fuel purging of cascaded fuel cell stackUTC FUEL CELLS LLC·Filed 2001·Granted Nov 23, 2004·31 cites·5 claims
- 3287US6797421B2Method and apparatus for preventing water in fuel cell power plants from freezing during storageUTC FUEL CELLS LLC·Filed 2002·Granted Sep 28, 2004·45 cites·20 claims
- 3386US6895746B2Reducing oxides of nitrogen using hydrogen generated from engine fuel and exhaustUTC FUEL CELLS LLC·Filed 2002·Granted May 24, 2005·41 cites·24 claims
- 3485US6955861B2Fuel cell system, and method of protecting a fuel cell from freezingUTC FUEL CELLS LLC·Filed 2002·Granted Oct 18, 2005·30 cites·27 claims
- 3585US6866951B2Compact precooler and cooling processUTC FUEL CELLS LLC·Filed 2003·Granted Mar 15, 2005·28 cites·10 claims
- 3685US6777115B2Battery-boosted, rapid startup of frozen fuel cellUTC FUEL CELLS LLC·Filed 2002·Granted Aug 17, 2004·24 cites·16 claims
- 3785US6454935B1Method for desulfurizing gasoline or diesel fuel for use in a fuel cell power plantUTC FUEL CELLS LLC·Filed 1999·Granted Sep 24, 2002·50 cites·3 claims
- 3884US7172647B2Coolant mixture separator assembly for use in a polymer electrolyte membrane (PEM) fuel cell power plantUTC FUEL CELLS LLC·Filed 2005·Granted Feb 6, 2007·4 cites·1 claims
- 3984US7112386B2Membrane electrode assemblies with hydrogen peroxide decomposition catalystUTC FUEL CELLS LLC·Filed 2002·Granted Sep 26, 2006·24 cites·51 claims
- 4084US6936360B2Method and apparatus for operating a fuel cell systemUTC FUEL CELLS LLC·Filed 2002·Granted Aug 30, 2005·19 cites·16 claims
- 4184US6746982B2Porous carbon body for a fuel cell having an electronically conductive hydrophilic agentUTC FUEL CELLS LLC·Filed 2001·Granted Jun 8, 2004·25 cites·12 claims
- 4284US6562503B2Freeze tolerant fuel cell power plantUTC FUEL CELLS LLC·Filed 2002·Granted May 13, 2003·30 cites·11 claims
- 4384US6475652B2Fine pore enthalpy exchange barrier for a fuel cell power plantUTC FUEL CELLS LLC·Filed 2000·Granted Nov 5, 2002·25 cites·19 claims
- 4484US6368737B1Subambient pressure coolant loop for a fuel cell power plantUTC FUEL CELLS LLC·Filed 2000·Granted Apr 9, 2002·32 cites·20 claims
- 4583US6764787B2One piece sleeve gas manifold for cell stack assemblies such as fuel cellsUTC FUEL CELLS LLC·Filed 2002·Granted Jul 20, 2004·30 cites·15 claims
- 4682US7061139B2System for providing assured power to a critical loadUTC FUEL CELLS LLC·Filed 2002·Granted Jun 13, 2006·57 cites·20 claims
- 4782US6757590B2Control of multiple fuel cell power plants at a site to provide a distributed resource in a utility gridUTC FUEL CELLS LLC·Filed 2001·Granted Jun 29, 2004·52 cites·17 claims
- 4882US6656622B2Degasified PEM fuel cell systemUTC FUEL CELLS LLC·Filed 2002·Granted Dec 2, 2003·21 cites·12 claims
- 4982US6393354B1Predictive control arrangement for load-following fuel cell-powered applicationsUTC FUEL CELLS LLC·Filed 2000·Granted May 21, 2002·25 cites·5 claims
- 5081US6838199B2Start up system and method for a fuel cell power plant using a cathode electrode fuel purgeUTC FUEL CELLS LLC·Filed 2002·Granted Jan 4, 2005·20 cites·11 claims
Showing the top 50 of 161 patent records by PatentIndex Score.
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