Inventor · disambiguated record
John F. O'Brien
Also filed as: O'BRIEN JOHN · O'BRIEN JOHN F · O'BRIEN JOHN FRANCIS
36 granted patents·11 pending applications·841 citations·filing 1974–2021
98Inventor score
Top patents by PatentIndex Score
47 records- 0196US6562496B2Integrated solid oxide fuel cell mechanization and method of using for transportation industry applicationsDELPHI TECH INC·Filed 2001·Granted May 13, 2003·136 cites·26 claims
- 0296US6390217B1Vehicle front end air controlDELPHI TECH INC·Filed 2001·Granted May 21, 2002·105 cites·4 claims
- 0396US4660059AColor printing machineXEROX CORP·Filed 1985·Granted Apr 21, 1987·61 cites·14 claims
- 0494US3935517AConstant current charging deviceXEROX CORP·Filed 1975·Granted Jan 27, 1976·41 cites·12 claims
- 0589US4939356ABar code scanner with asterisk scan patternSPECTRA PHYSICS·Filed 1989·Granted Jul 3, 1990·110 cites·45 claims
- 0685US7452689B2Method for rapid determination of thiopurine methyltransferase activityMAYO FOUNDATION·Filed 2006·Granted Nov 18, 2008·6 cites·12 claims
- 0784US6547456B2Portable system for digital photo managementWISHOO INC·Filed 2001·Granted Apr 15, 2003·32 cites·1 claims
- 0883US6109620AShank adapterBOART LONGYEAR LTD·Filed 1997·Granted Aug 29, 2000·66 cites·12 claims
- 0983US5010368AMagnetic transport roll for supplying toner or carrier and toner to a donor and magnetic developer roll respectivelyXEROX CORP·Filed 1990·Granted Apr 23, 1991·29 cites·3 claims
- 1081US10108648B2Creating a custom index in a multi-tenant database environmentRAJAN CHIRAG·Filed 2012·Granted Oct 23, 2018·8 cites·19 claims
- 1180US8051906B2Secondary loop-integral heater core and coolerDELPHI TECH INC·Filed 2008·Granted Nov 8, 2011·7 cites·8 claims
- 1280USD255013SThermometer support baseMAGIC TOUCH MFG CORP·Filed 1978·Granted May 20, 1980·22 cites·1 claims
- 1379US7771884B2Solid oxide fuel cell stack having an integral gas distribution manifoldDELPHI TECHNOLOLGIES INC·Filed 2006·Granted Aug 10, 2010·7 cites·29 claims
- 1476US6759154B2Water recovery for a fuel cell systemDELPHI TECH INC·Filed 2001·Granted Jul 6, 2004·18 cites·36 claims
- 1575US6732942B1Heating, venting, and air conditioning system for providing supplemental heat in a vehicleDELPHI TECH INC·Filed 2002·Granted May 11, 2004·30 cites·9 claims
- 1674US9251204B2Static query optimizationCOLLINS JESSE·Filed 2011·Granted Feb 2, 2016·3 cites·19 claims
- 1774US7403728B2Calibration apparatus and method for charging unit of image forming deviceXEROX CORP·Filed 2005·Granted Jul 22, 2008·4 cites·20 claims
- 1873US6823690B2Integrated electrical generator/starter and air conditioning compressor device and system and method for controlling sameDELPHI TECH INC·Filed 2003·Granted Nov 30, 2004·16 cites·35 claims
- 1970US10417611B2Methods and systems for providing multiple column custom indexes in a multi-tenant database environmentCOLLINS JESSE·Filed 2010·Granted Sep 17, 2019·3 cites·20 claims
- 2067US4921453AMolded complaint springsICI AMERICA INC·Filed 1989·Granted May 1, 1990·24 cites·13 claims
- 2164US2021294802A1Static query optimizationSALESFORCE COM INC·Filed 2021·Application pending·0 cites
- 2263US7031628B2Systems and methods for setting up grid voltages in a tandem pin charging deviceXEROX CORP·Filed 2003·Granted Apr 18, 2006·8 cites·20 claims
- 2361US5579100ASingle positive recharge method and apparatus for color image formationXEROX CORP·Filed 1994·Granted Nov 26, 1996·12 cites·24 claims
- 2458US7727737B2Kit for rapid determination of thiopurine methyltransferase activityMAYO FOUNDATION·Filed 2008·Granted Jun 1, 2010·5 cites·5 claims
- 2557US2010058778A1Thermoelectrically powered indirect evaporative cooling system with desiccant dehumidificationBHATTI MOHINDER S·Filed 2008·Application pending·0 cites
- 2656US10355485B2Variable loop gain using excessive regeneration for a delayed wide-area control systemUNIV WYOMING·Filed 2018·Granted Jul 16, 2019·1 cites·20 claims
- 2756US4328737AAmmunition feeder for a gunGEN ELECTRIC·Filed 1978·Granted May 11, 1982·15 cites·5 claims
- 2856US4033652ABook deskMERCY HOSPITAL AND MERCY ORPHA·Filed 1975·Granted Jul 5, 1977·21 cites·4 claims
- 2956US2010077783A1Solid oxide fuel cell assisted air conditioning systemBHATTI MOHINDER S·Filed 2008·Application pending·0 cites
- 3055US4015511AFeederGEN ELECTRIC·Filed 1974·Granted Apr 5, 1977·14 cites·27 claims
- 3155US2010304233A1Fuel cell assemblyDELPHI TECH INC·Filed 2009·Application pending·0 cites
- 3254US10901991B2Static query optimizationSALESFORCE COM INC·Filed 2016·Granted Jan 26, 2021·0 cites·12 claims
- 3353US2019108248A1Creating a custom index in a multi-tenant database environmentSALESFORCE COM INC·Filed 2018·Application pending·0 cites
- 3452US11934397B2Query plan overridesSALESFORCE COM INC·Filed 2020·Granted Mar 19, 2024·0 cites·20 claims
- 3552US4131360ADuplex reproduction system employing copy sheet cleanerXEROX CORP·Filed 1977·Granted Dec 26, 1978·6 cites·2 claims
- 3651US4023895AElectrostatographic apparatusXEROX CORP·Filed 1975·Granted May 17, 1977·6 cites·6 claims
- 3745US2004178765A1Integrated fuel reformer and heat exchangerFiled 2004·Application pending·0 cites
- 3843US6189325B1Air conditioning system for a motor vehicleDELPHI TECH INC·Filed 1999·Granted Feb 20, 2001·14 cites·11 claims
- 3943US2003072571A1Portable system for digital photo managementFiled 2002·Application pending·0 cites
- 4042US3955300AGun boltGEN ELECTRIC·Filed 1974·Granted May 11, 1976·7 cites·5 claims
- 4142US2005086968A1Integrated electrical generator/starter and air conditioning compressor device and system and method for controlling sameDELPHI TECH INC·Filed 2004·Application pending·0 cites
- 4240US2011282847A1Methods and Systems for Validating Queries in a Multi-Tenant Database EnvironmentCOLLINS JESSE·Filed 2010·Application pending·0 cites
- 4339US8567331B2Rudder roll stabilization by nonlinear dynamic compensationO'BRIEN JOHN F·Filed 2009·Granted Oct 29, 2013·0 cites·7 claims
- 4433US9061415B2Prismatic/revolute orienting apparatusMCINROY JOHN E·Filed 2011·Granted Jun 23, 2015·0 cites·4 claims
- 4533US2004081485A1Variable open-size grid for improved charging subsystem uniformity and efficiencyXEROX CORP·Filed 2002·Application pending·0 cites
- 4628US6185947B1Air conditioning system for a motor vehicleDELPHI TECH INC·Filed 1999·Granted Feb 13, 2001·4 cites·8 claims
- 4724US2002055184A1Systems for detecting analytesFiled 1999·Application pending·0 cites
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