Inventor · disambiguated record
Mark Mathias
Also filed as: FLEMING LEGAL REPRESENTATIVE MARGARET · MATHIAS MARK · MATHIAS MARK F · MATHIAS MARK FISCHER
29 granted patents·9 pending applications·1,365 citations·filing 1992–2018
97Inventor score
Files withGEN MOTORS CORP9GM GLOBAL TECH OPERATIONS INC7MOBIL OIL CORP7GM GLOBAL TECH OPERATIONS LLC4EXXONMOBIL OIL CORP2
Top patents by PatentIndex Score
38 records- 0198US6524736B1Methods of preparing membrane electrode assembliesGEN MOTORS CORP·Filed 2000·Granted Feb 25, 2003·160 cites·27 claims
- 0298US6506954B1Process for producing chemicals from oxygenateEXXON MOBIL CHEM PATENTS INC·Filed 2000·Granted Jan 14, 2003·93 cites·36 claims
- 0398US6504072B1Selective para-xylene production by toluene methylationEXXONMOBIL OIL CORP·Filed 2002·Granted Jan 7, 2003·146 cites·13 claims
- 0498US6376111B1System and method for controlling the humidity level of a fuel cellGEN MOTORS CORP·Filed 2000·Granted Apr 23, 2002·182 cites·19 claims
- 0596US6046372AProcess for producing light olefinsMOBIL OIL CORP·Filed 1998·Granted Apr 4, 2000·81 cites·10 claims
- 0694US6423879B1Selective para-xylene production by toluene methylationEXXONMOBIL OIL CORP·Filed 1997·Granted Jul 23, 2002·126 cites·10 claims
- 0793US6048816ACatalyst and process for converting methanol to hydrocarbonsMOBIL OIL CORP·Filed 1998·Granted Apr 11, 2000·87 cites·6 claims
- 0891US6028238AXylene isomerizationMOBIL OIL CORP·Filed 1998·Granted Feb 22, 2000·45 cites·10 claims
- 0991US5591417ARemoving SOx, CO and NOx from flue gasesMOBIL OIL CORP·Filed 1994·Granted Jan 7, 1997·88 cites·29 claims
- 1090US6824909B2Low-humidification and durable fuel cell membraneGEN MOTORS CORP·Filed 2002·Granted Nov 30, 2004·37 cites·37 claims
- 1190US6156949ASelective pseudocumene production by xylene methylationMOBIL OIL CORP·Filed 1998·Granted Dec 5, 2000·41 cites·9 claims
- 1289US6538167B1Process for producing light olefinsEXXONMOBIL CHEM PATENTS INC·Filed 2000·Granted Mar 25, 2003·40 cites·19 claims
- 1389US5547648ARemoving SOx, NOX and CO from flue gasesMOBIL OIL CORP·Filed 1995·Granted Aug 20, 1996·95 cites·25 claims
- 1482US7718288B2Integration of an electrical diode within a fuel cellGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted May 18, 2010·5 cites·21 claims
- 1582US7303835B2Diffusion media, fuel cells, and fuel cell powered systemsGEN MOTORS CORP·Filed 2003·Granted Dec 4, 2007·23 cites·42 claims
- 1682US5268089AFCC of nitrogen containing hydrocarbons and catalyst regenerationMOBIL OIL CORP·Filed 1992·Granted Dec 7, 1993·45 cites·14 claims
- 1779US10680266B2Method of manufacturing an integrated water vapor transfer device and fuel cell-IIGM GLOBAL TECH OPERATIONS LLC·Filed 2018·Granted Jun 9, 2020·1 cites·27 claims
- 1879US7063913B2Diffusion media with microporous layerGEN MOTORS CORP·Filed 2004·Granted Jun 20, 2006·17 cites·27 claims
- 1976US7157178B2Proton exchange membrane fuel cellGEN MOTORS CORP·Filed 2003·Granted Jan 2, 2007·14 cites·64 claims
- 2074US7455928B2Diffusion media for use in a PEM fuel cellGEN MOTORS CORP·Filed 2003·Granted Nov 25, 2008·12 cites·10 claims
- 2173US7846591B2Water management layer on flowfield in PEM fuel cellGM GLOBAL TECH OPERATIONS INC·Filed 2004·Granted Dec 7, 2010·12 cites·42 claims
- 2272US8343452B2Acrylic fiber bonded carbon fiber paper as gas diffusion media for fuel cellGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Jan 1, 2013·3 cites·22 claims
- 2371US7803497B2Fuel cell stack that utilizes an actuator to switch between interdigitated and straight flow for optimizing performanceGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Sep 28, 2010·2 cites·6 claims
- 2465US7241474B2Preparation of patterned diffusion mediaGEN MOTORS CORP·Filed 2004·Granted Jul 10, 2007·4 cites·35 claims
- 2564US7105242B2Control of polymer surface distribution on diffusion media improved fuel cell performanceGEN MOTORS CORP·Filed 2004·Granted Sep 12, 2006·6 cites·16 claims
- 2655US8206871B2Insulating layer for a fuel cell assemblyCONNOR ERIC J·Filed 2009·Granted Jun 26, 2012·0 cites·19 claims
- 2750US2010028744A1Gas diffusion layer with lower gas diffusivityGM GLOBAL TECH OPERATIONS INC·Filed 2008·Application pending·0 cites
- 2850US2010028750A1Gas diffusion layer with lower gas diffusivityGM GLOBAL TECH OPERATIONS INC·Filed 2008·Application pending·0 cites
- 2948US8354199B2Multi-layer diffusion medium substrateGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Jan 15, 2013·0 cites·26 claims
- 3048US2008206615A1Gas diffusion layer with controlled diffusivity over active areaNICOTERA PAUL·Filed 2007·Application pending·0 cites
- 3145US10811713B2Method of manufacturing an integrated water vapor transfer device and fuel cellGM GLOBAL TECH OPERATIONS LLC·Filed 2018·Granted Oct 20, 2020·0 cites·25 claims
- 3244US2019123364A1Fuel cell having an integrated water vapor transfer regionGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Application pending·0 cites
- 3344US2007218344A1Diffusion media with vapor deposited fluorocarbon polymerJI CHUNXIN·Filed 2006·Application pending·0 cites
- 3444US2005100774A1Novel electrical contact element for a fuel cellFiled 2003·Application pending·0 cites
- 3543US2004096709A1Fuel cell system with a dry cathode feedFiled 2002·Application pending·0 cites
- 3642US9023556B2Method of preparing gas diffusion media for a fuel cellJI CHUNXIN·Filed 2006·Granted May 5, 2015·0 cites·10 claims
- 3739US2005058869A1Low cost gas diffusion media for use in PEM fuel cellsFiled 2003·Application pending·0 cites
- 3838US2017062851A1Fuel cell stack end cells with improved diagnostic capabilitiesGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Application pending·0 cites
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