Inventor · disambiguated record
William H. Pettit
Also filed as: PETTIT WILLIAM · PETTIT WILLIAM H · PETTIT WILLIAM HENRY
67 granted patents·5 pending applications·1,733 citations·filing 1992–2023
99Inventor score
Files withGEN MOTORS CORP40GM GLOBAL TECH OPERATIONS INC14GM GLOBAL TECH OPERATIONS LLC8GOEBEL STEVEN G2C/O GM GLOBAL TECH OPERATIONS LLC1
Top patents by PatentIndex Score
72 records- 0199US6077620AFuel cell system with combustor-heated reformerGEN MOTORS CORP·Filed 1997·Granted Jun 20, 2000·321 cites·5 claims
- 0298US6521204B1Method for operating a combination partial oxidation and steam reforming fuel processorGEN MOTORS CORP·Filed 2000·Granted Feb 18, 2003·146 cites·10 claims
- 0396US6432568B1Water management system for electrochemical engineGEN MOTORS CORP·Filed 2000·Granted Aug 13, 2002·77 cites·13 claims
- 0495US11641128B2Mobile charging stations with fuel-cell generators for electric-drive vehiclesGM GLOBAL TECH OPERATIONS LLC·Filed 2021·Granted May 2, 2023·6 cites·20 claims
- 0595US5339630AExhaust burner catalyst preheaterGEN MOTORS CORP·Filed 1992·Granted Aug 23, 1994·129 cites·3 claims
- 0694US6541142B1Fuel cell system having a methanol decomposition reactorGEN MOTORS CORP·Filed 2000·Granted Apr 1, 2003·59 cites·34 claims
- 0793US11938835B2System for charging a battery electric vehicle or a plugin hybrid vehicle using a fuel cellGM GLOBAL TECH OPERATIONS LLC·Filed 2021·Granted Mar 26, 2024·2 cites·20 claims
- 0893US6232005B1Fuel cell system combustorGEN MOTORS CORP·Filed 1997·Granted May 15, 2001·125 cites·5 claims
- 0992US8374740B2Self-learning satellite navigation assisted hybrid vehicle controls systemGM GLOBAL TECH OPERATIONS INC·Filed 2010·Granted Feb 12, 2013·33 cites·19 claims
- 1091US6485853B1Fuel cell system having thermally integrated, isothermal co-cleansing subsystemGEN MOTORS CORP·Filed 2000·Granted Nov 26, 2002·47 cites·13 claims
- 1190US11152814B2Mobile charging stations with fuel-cell generators for electric-drive vehiclesGM GLOBAL TECH OPERATIONS LLC·Filed 2019·Granted Oct 19, 2021·7 cites·20 claims
- 1290US6815106B1Fuel cell having dynamically regulated backpressureGEN MOTORS CORP·Filed 2000·Granted Nov 9, 2004·45 cites·18 claims
- 1389US6964692B2Carbon monoxide adsorption for carbon monoxide clean-up in a fuel cell systemGEN MOTORS CORP·Filed 2001·Granted Nov 15, 2005·41 cites·28 claims
- 1489US6436561B1Methanol tailgas combustor control methodGEN MOTORS CORP·Filed 2000·Granted Aug 20, 2002·47 cites·26 claims
- 1588US7687182B2Pressurized coolant for stamped plate fuel cell without diffusion media in the inactive feed regionGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Mar 30, 2010·10 cites·4 claims
- 1687US6238815B1Thermally integrated staged methanol reformer and methodGEN MOTORS CORP·Filed 1998·Granted May 29, 2001·92 cites·34 claims
- 1785US7743499B2Reactor manufacturing method for a fuel cell processorGM GLOBAL TECH OPERATIONS INC·Filed 2004·Granted Jun 29, 2010·33 cites·10 claims
- 1885US6838062B2Integrated fuel processor for rapid start and operational controlGEN MOTORS CORP·Filed 2001·Granted Jan 4, 2005·24 cites·18 claims
- 1984US11135931B2System for charging a battery electric vehicle or a plugin hybrid vehicle using a mobile fuel cellGM GLOBAL TECH OPERATIONS LLC·Filed 2019·Granted Oct 5, 2021·4 cites·20 claims
- 2084US8158288B2Relative humidity control for a fuel cellGOEBEL STEVEN G·Filed 2011·Granted Apr 17, 2012·3 cites·7 claims
- 2184US6875007B2Multiple port catalytic combustion device and method of operating sameGEN MOTORS CORP·Filed 2004·Granted Apr 5, 2005·22 cites·20 claims
- 2283US7862631B2Fuel processor primary reactor and combustor startup via electrically-heated catalystGM GLOBAL TECH OPERATIONS INC·Filed 2003·Granted Jan 4, 2011·25 cites·28 claims
- 2383US6712603B2Multiple port catalytic combustion device and method of operating sameGEN MOTORS CORP·Filed 2002·Granted Mar 30, 2004·22 cites·19 claims
- 2482US11462752B2Mobile fuel cell direct current fast charger and portable power supply thermal integrationGM GLOBAL TECH OPERATIONS LLC·Filed 2019·Granted Oct 4, 2022·1 cites·20 claims
- 2582US7820335B2Plate for a fuel cell assemblyGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Oct 26, 2010·5 cites·6 claims
- 2682US7781086B2Fuel processing system having gas recirculation for transient operationsGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted Aug 24, 2010·3 cites·10 claims
- 2782US5408970AElectronically controlled continuous flow fuel systemGEN MOTORS CORP·Filed 1994·Granted Apr 25, 1995·49 cites·3 claims
- 2881US6936238B2Compact partial oxidation/steam reactor with integrated air preheater, fuel and water vaporizerGEN MOTORS CORP·Filed 2002·Granted Aug 30, 2005·21 cites·23 claims
- 2981US6926748B2Staged lean combustion for rapid start of a fuel processorGEN MOTORS CORP·Filed 2001·Granted Aug 9, 2005·25 cites·37 claims
- 3081US6669463B2Quick start large dynamic range combustor configurationGEN MOTORS CORP·Filed 2002·Granted Dec 30, 2003·20 cites·20 claims
- 3180US6846585B2Method for quick start-up of a fuel processing system using controlled staged oxidationGEN MOTORS CORP·Filed 2002·Granted Jan 25, 2005·19 cites·30 claims
- 3279US6783879B2Dynamic fuel processor mechanization and controlGEN MOTORS CORP·Filed 2002·Granted Aug 31, 2004·15 cites·52 claims
- 3378US5571484ACatalytic converter heaterGEN MOTORS CORP·Filed 1995·Granted Nov 5, 1996·62 cites·11 claims
- 3477US11731524B2Mobile direct current fast charger customer-vehicle-station matching systemGM GLOBAL TECH OPERATIONS LLC·Filed 2019·Granted Aug 22, 2023·3 cites·19 claims
- 3576US7291411B2Fuel cell shutdown and startup purge using a stoichiometric staged combustorGEN MOTORS CORP·Filed 2003·Granted Nov 6, 2007·16 cites·33 claims
- 3675US7976991B2Relative humidity control for a fuel cellGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Jul 12, 2011·2 cites·11 claims
- 3774US7597975B2Fuel cell operation to minimize RH cycles to improve durabilityGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Oct 6, 2009·2 cites·19 claims
- 3872US7081312B1Multiple stage combustion process to maintain a controllable reformation temperature profileGEN MOTORS CORP·Filed 2000·Granted Jul 25, 2006·8 cites·6 claims
- 3971US8431278B2Passive water drainGOEBEL STEVEN G·Filed 2010·Granted Apr 30, 2013·1 cites·19 claims
- 4070US8574776B2Fuel cell system water management strategy for freeze capabilityCLINGERMAN BRUCE J·Filed 2006·Granted Nov 5, 2013·2 cites·14 claims
- 4168US7517372B2Integrated fuel processor subsystem with quasi-autothermal reformingGEN MOTORS CORP·Filed 2004·Granted Apr 14, 2009·8 cites·10 claims
- 4267US5353591AExhaust heating controlGEN MOTORS CORP·Filed 1993·Granted Oct 11, 1994·29 cites·8 claims
- 4366US7524344B2Carbon monoxide adsorption for carbon monoxide clean-up in a fuel cell systemGEN MOTORS CORP·Filed 2005·Granted Apr 28, 2009·2 cites·5 claims
- 4466US6132689AMulti-stage, isothermal CO preferential oxidation reactorGEN MOTORS CORP·Filed 1998·Granted Oct 17, 2000·42 cites·9 claims
- 4565US6805721B2Fuel processor thermal management systemFiled 2002·Granted Oct 19, 2004·7 cites·10 claims
- 4664US2015093673A1Pem fuel cell stack inlet water regulation systemGM GLOBAL TECH OPERATIONS INC·Filed 2014·Application pending·0 cites
- 4763US8877392B2PEM fuel cell stack inlet water regulation systemOWEJAN JON P·Filed 2009·Granted Nov 4, 2014·0 cites·20 claims
- 4863US7442217B2Integrated fuel processor for rapid start and operational controlGEN MOTORS CORP·Filed 2004·Granted Oct 28, 2008·4 cites·16 claims
- 4963US7276095B2Fuel processor module for hydrogen production for a fuel cell engine using pressure swing adsorptionGEN MOTORS CORP·Filed 2003·Granted Oct 2, 2007·6 cites·52 claims
- 5062US6838200B2Fuel processing system having gas recirculation for transient operationsGEN MOTORS CORP·Filed 2002·Granted Jan 4, 2005·3 cites·11 claims
Showing the top 50 of 72 patent records by PatentIndex Score.
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