Inventor · disambiguated record
Thomas A. Trabold
Also filed as: TRABOLD THOMAS · TRABOLD THOMAS A
51 granted patents·12 pending applications·262 citations·filing 2000–2016
98Inventor score
Files withGM GLOBAL TECH OPERATIONS INC27OWEJAN JON P7GEN MOTORS CORP5XEROX CORP5DADHEECH GAYATRI VYAS4
Top patents by PatentIndex Score
63 records- 0197US8956785B2Amorphous carbon coatings for fuel cell bipolar platesGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Feb 17, 2015·17 cites·15 claims
- 0294US8758957B2Graphene coated SS bipolar platesDADHEECH GAYATRI VYAS·Filed 2008·Granted Jun 24, 2014·17 cites·21 claims
- 0393US7622211B2Hydrophilic fuel cell bipolar plate having a plasma induced polymerization coatingGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Nov 24, 2009·23 cites·14 claims
- 0492US8735022B2Fuel cell component with coating including nanoparticlesSCHLAG HARALD·Filed 2006·Granted May 27, 2014·18 cites·24 claims
- 0592US7718298B2Bifurcation of flow channels in bipolar plate flowfieldsGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted May 18, 2010·15 cites·14 claims
- 0686US6916573B2PEM fuel cell stack without gas diffusion mediaGEN MOTORS CORP·Filed 2002·Granted Jul 12, 2005·24 cites·26 claims
- 0783US7550222B2Fuel cell component having a durable conductive and hydrophilic coatingGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Jun 23, 2009·6 cites·8 claims
- 0883US7332240B2Spatially varying diffusion media and devices incorporating the sameGEN MOTORS CORP·Filed 2003·Granted Feb 19, 2008·25 cites·43 claims
- 0983US7087337B2Flow field geometries for improved water managementGEN MOTORS CORP·Filed 2004·Granted Aug 8, 2006·22 cites·16 claims
- 1081US8501364B2Fuel cell bipolar plate exit for improved flow distribution and freeze compatibilityGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Aug 6, 2013·2 cites·14 claims
- 1181US7749631B2Fuel cell separator plate coatingGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Jul 6, 2010·4 cites·14 claims
- 1280US9136545B2Low cost fuel cell bipolar plate and process of making the sameDADHEECH GAYATRI VYAS·Filed 2008·Granted Sep 15, 2015·4 cites·23 claims
- 1380US7935381B2Hydrophilic coating for fuel cell bipolar plate and methods of making the sameGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted May 3, 2011·4 cites·25 claims
- 1479US8168340B2Water removal features for PEMfc stack manifoldsWHITEHEAD LEE C·Filed 2007·Granted May 1, 2012·4 cites·12 claims
- 1579US7901832B2Bipolar plate with inlet and outlet water management featuresGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted Mar 8, 2011·3 cites·20 claims
- 1679US7842426B2Use of a porous material in the manifolds of a fuel cell stackGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Nov 30, 2010·3 cites·19 claims
- 1778US7862936B2Water removal channel for PEM fuel cell stack headersGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Jan 4, 2011·3 cites·19 claims
- 1877US7531100B2Method of making a fuel cell component using an easily removed maskGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted May 12, 2009·4 cites·22 claims
- 1975US8470488B2Metallic bipolar plates with high electrochemical stability and improved water managementABD ELHAMID MAHMOUD H·Filed 2005·Granted Jun 25, 2013·2 cites·14 claims
- 2075US8129075B2Bipolar plate header formed featuresOWEJAN JON P·Filed 2008·Granted Mar 6, 2012·2 cites·20 claims
- 2174US10622654B2Apparatus, system and method for compact mobile fuel cell systemWALLER MICHAEL·Filed 2016·Granted Apr 14, 2020·2 cites·10 claims
- 2274US7829230B2Method for optimizing diffusion media with spatially varying mass transport resistanceGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Nov 9, 2010·4 cites·20 claims
- 2374US7749637B2Water blocking layer and wicking reservoir for PEMFCGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Jul 6, 2010·2 cites·22 claims
- 2473US8859163B2PEM fuel cell stack inlet water regulation systemOWEJAN JON P·Filed 2009·Granted Oct 14, 2014·2 cites·20 claims
- 2573US8105721B2Microtextured fuel cell elements for improved water managementDADHEECH GAYATRI VYAS·Filed 2007·Granted Jan 31, 2012·2 cites·2 claims
- 2671US8497050B2Amorphous carbon coatings for fuel cell bipolar platesDADHEECH GAYATRI VYAS·Filed 2008·Granted Jul 30, 2013·1 cites·16 claims
- 2770US7897295B2Surface engineering of bipolar plate materials for better water managementGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Mar 1, 2011·1 cites·25 claims
- 2868US7951510B2Electroconductive polymer coating on electroconductive elements in a fuel cellGM GLOBAL TECH OPERATIONS INC·Filed 2004·Granted May 31, 2011·7 cites·22 claims
- 2966US6797342B1Deflocculation apparatus and methods thereofXEROX CORP·Filed 2000·Granted Sep 28, 2004·13 cites·19 claims
- 3065US6863730B2Coating die with laser position sensorsXEROX CORP·Filed 2003·Granted Mar 8, 2005·8 cites·7 claims
- 3164US8029943B2Method to make conductive hydrophilic fuel cell elementsGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Oct 4, 2011·1 cites·19 claims
- 3264US2015093673A1Pem fuel cell stack inlet water regulation systemGM GLOBAL TECH OPERATIONS INC·Filed 2014·Application pending·0 cites
- 3363US8877392B2PEM fuel cell stack inlet water regulation systemOWEJAN JON P·Filed 2009·Granted Nov 4, 2014·0 cites·20 claims
- 3463US7132125B2Processes for coating photoconductorsXEROX CORP·Filed 2001·Granted Nov 7, 2006·6 cites·14 claims
- 3563US6706315B2Coating process for coating die with laser position sensorsXEROX CORP·Filed 2001·Granted Mar 16, 2004·7 cites·11 claims
- 3661US2013095251A1Fuel cell flow field plate including non-stoichiometric metal oxide layerGM GLOBAL TECH OPERATIONS INC·Filed 2012·Application pending·0 cites
- 3760US8394547B2Fuel cell bipolar plate exit for improved flow distribution and freeze compatibilityOWEJAN JON P·Filed 2007·Granted Mar 12, 2013·0 cites·9 claims
- 3859US2015349351A1Low cost fuel cell bipolar plate and process of making the sameGM GLOBAL TECH OPERATIONS INC·Filed 2015·Application pending·0 cites
- 3958US8053133B2Bipolar plate hydrophilic treatment for stable fuel cell stack operation at low powerGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Nov 8, 2011·0 cites·22 claims
- 4057US6702195B2Multi-layer slot coating die with selective ultrasonic assistXEROX CORP·Filed 2002·Granted Mar 9, 2004·3 cites·23 claims
- 4156US8377607B2Fuel cell contact element including a TiO2 layer and a conductive layerGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Feb 19, 2013·0 cites·19 claims
- 4255US9153826B2Bipolar plate with features for mitigation of exit water retentionOWEJAN JON P·Filed 2008·Granted Oct 6, 2015·0 cites·16 claims
- 4354US9029046B2Hydrophilic coating for fuel cell bipolar plate and methods of making the sameWINTER GERHARD·Filed 2011·Granted May 12, 2015·0 cites·11 claims
- 4454US8389047B2Low-cost hydrophilic treatment method for assembled PEMFC stacksOWEJAN JON P·Filed 2006·Granted Mar 5, 2013·0 cites·17 claims
- 4554US7781118B2Fuel cell flooding detectionGM GLOBAL TECH OPERATIONS INC·Filed 2004·Granted Aug 24, 2010·1 cites·2 claims
- 4653US2011143262A1Gas diffusion media made from electrically conductive coatings on non-conductive fibersGM GLOBAL TECH OPERATIONS INC·Filed 2009·Application pending·0 cites
- 4752US8389174B2Super-hydrophilic nanoporous electrically conductive coatings for PEM fuel cellsVYAS GAYATRI·Filed 2006·Granted Mar 5, 2013·0 cites·30 claims
- 4852US2011039190A1Continuous porous flow distributors for a fuel cellGM GLOBALTECHNOLOGY OPERATIONS INC·Filed 2009·Application pending·0 cites
- 4952US2009186253A1Bipolar Plate Design for Passive Low Load StabilityGM GLOBAL TECH OPERATIONS INC·Filed 2008·Application pending·0 cites
- 5051US8101322B2Constant channel cross-section in a PEMFC outletOWEJAN JON P·Filed 2007·Granted Jan 24, 2012·0 cites·6 claims
Showing the top 50 of 63 patent records by PatentIndex Score.
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