Inventor · disambiguated record
Gayatri Vyas
Also filed as: VYAS GAYATRI · VYAS GAYATRI SUNIL
39 granted patents·14 pending applications·258 citations·filing 1999–2024
97Inventor score
Files withGM GLOBAL TECH OPERATIONS INC25ABD ELHAMID MAHMOUD H6VYAS GAYATRI6GEN MOTORS CORP5MIKHAIL YOUSSEF M2
Top patents by PatentIndex Score
53 records- 0196US7625654B2Ultra-low loadings of Au for stainless steel bipolar platesGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Dec 1, 2009·40 cites·9 claims
- 0293US7622211B2Hydrophilic fuel cell bipolar plate having a plasma induced polymerization coatingGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Nov 24, 2009·23 cites·14 claims
- 0392US8735022B2Fuel cell component with coating including nanoparticlesSCHLAG HARALD·Filed 2006·Granted May 27, 2014·18 cites·24 claims
- 0492US6866958B2Ultra-low loadings of Au for stainless steel bipolar platesGEN MOTORS CORP·Filed 2002·Granted Mar 15, 2005·39 cites·27 claims
- 0583US7550222B2Fuel cell component having a durable conductive and hydrophilic coatingGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Jun 23, 2009·6 cites·8 claims
- 0681US7749631B2Fuel cell separator plate coatingGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Jul 6, 2010·4 cites·14 claims
- 0780US7935381B2Hydrophilic 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
- 0880US6521381B1Electrode and membrane-electrode assemblies for electrochemical cellsGEN MOTORS CORP·Filed 1999·Granted Feb 18, 2003·58 cites·13 claims
- 0978US7344798B2Low contact resistance bonding method for bipolar plates in a pem fuel cellGEN MOTORS CORP·Filed 2003·Granted Mar 18, 2008·12 cites·22 claims
- 1077US7531100B2Method 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
- 1175US8470488B2Metallic bipolar plates with high electrochemical stability and improved water managementABD ELHAMID MAHMOUD H·Filed 2005·Granted Jun 25, 2013·2 cites·14 claims
- 1274US7759017B2Membrane electrode assembly (MEA) architecture for improved durability for a PEM fuel cellGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Jul 20, 2010·2 cites·24 claims
- 1374US7550174B2Low contact resistance bonding method for bipolar plates in a PEM fuel cellGM GLOBAL TECHNOLOGIES OPERATI·Filed 2008·Granted Jun 23, 2009·2 cites·16 claims
- 1473US7641998B2Conductive mono atomic layer coatings for fuel cell bipolar platesGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Jan 5, 2010·1 cites·20 claims
- 1572US8623573B2Porous, electrically conductive fluid distribution plate for fuel cellsABD ELHAMID MAHMOUD H·Filed 2005·Granted Jan 7, 2014·2 cites·14 claims
- 1672US8101319B2Approach to make a high performance membrane electrode assembly (MEA) for a PEM fuel cellMIKHAIL YOUSSEF M·Filed 2004·Granted Jan 24, 2012·10 cites·10 claims
- 1770US7897295B2Surface engineering of bipolar plate materials for better water managementGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Mar 1, 2011·1 cites·25 claims
- 1870US7879389B2Low-cost bipolar plate coatings for PEM fuel cellGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Feb 1, 2011·3 cites·17 claims
- 1969US8431275B2Water management of PEM fuel cell stacks using surface active agentsABD ELHAMID MAHMOUD H·Filed 2005·Granted Apr 30, 2013·1 cites·12 claims
- 2069US7771858B2Coated steel bipolar platesGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Aug 10, 2010·2 cites·15 claims
- 2168US8735016B2Hydrophilic, electrically conductive fluid distribution plate for fuel cellABD ELHAMID MAHMOUD H·Filed 2005·Granted May 27, 2014·1 cites·26 claims
- 2267US7709145B2Hydrophilic surface modification of bipolar plateGM GLOBAL TECH OPERATIONS INC·Filed 2004·Granted May 4, 2010·6 cites·15 claims
- 2366US7632592B2Method of fabricating corrosion-resistant bipolar plateGM GLOBAL TECH OPERATIONS INC·Filed 2004·Granted Dec 15, 2009·6 cites·1 claims
- 2464US8029943B2Method to make conductive hydrophilic fuel cell elementsGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Oct 4, 2011·1 cites·19 claims
- 2563US7968251B2Electrical contact element and bipolar plateGM GLOBAL TECH OPERATIONS INC·Filed 2003·Granted Jun 28, 2011·5 cites·54 claims
- 2659US8084164B2Hybrid electrically conductive fluid distribution separator plate assembly for fuel cellsABD ELHAMID MAHMOUD H·Filed 2011·Granted Dec 27, 2011·0 cites·9 claims
- 2759US7700212B2Bipolar plate with enhanced stabilityGM GLOBAL TECH OPERATIONS INC·Filed 2004·Granted Apr 20, 2010·3 cites·15 claims
- 2858US2011254198A1Fuel cells comprising moldable gaskets, and methods of makingGM GLOBAL TECH OPERATIONS INC·Filed 2011·Application pending·0 cites
- 2957US7955754B2Enhanced stability bipolar plateGM GLOBAL TECH OPERATIONS INC·Filed 2004·Granted Jun 7, 2011·2 cites·14 claims
- 3056US8377607B2Fuel 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
- 3156US7883819B2Hybrid electrically conductive fluid distribution separator plate assembly for fuel cellsGM GLOBAL TECHNOLOGIES OPERATIONS INC·Filed 2005·Granted Feb 8, 2011·0 cites·11 claims
- 3256US2007207364A1Fuel cells comprising moldable gaskets, and methods of makingABD ELHAMID MAHMOUD H·Filed 2006·Application pending·0 cites
- 3353US8257883B2Durability for the MEA and bipolar plates in PEM fuel cells using hydrogen peroxide decomposition catalystsMIKHAIL YOUSSEF M·Filed 2005·Granted Sep 4, 2012·0 cites·21 claims
- 3452US8389174B2Super-hydrophilic nanoporous electrically conductive coatings for PEM fuel cellsVYAS GAYATRI·Filed 2006·Granted Mar 5, 2013·0 cites·30 claims
- 3551US2008044716A1Durable layer structure and method for making sameGM GLOBAL TECH OPERATIONS INC·Filed 2006·Application pending·0 cites
- 3650US8900771B2Non-noble metal inexpensive conductive coatings for fuel cell bipolar platesVYAS GAYATRI·Filed 2006·Granted Dec 2, 2014·0 cites·35 claims
- 3750US8097377B2Development of high energy surfaces on stainless steels for improved wettabilityNEWMAN KEITH E·Filed 2006·Granted Jan 17, 2012·0 cites·9 claims
- 3849US2007003813A1Stable conductive and hydrophilic fuel cell contact elementGEN MOTORS CORP·Filed 2005·Application pending·0 cites
- 3948US8211592B2Hydrophilic layer on flowfield for water management in PEM fuel cellVYAS GAYATRI·Filed 2005·Granted Jul 3, 2012·0 cites·9 claims
- 4048US7842435B2Fuel cell water management enhancement methodGM GLOBAL TECH OPERATIONS INC·Filed 2004·Granted Nov 30, 2010·0 cites·9 claims
- 4148US2006257711A1Electrically conductive fluid distribution plate for fuel cellsELHAMID MAHMOUD H A·Filed 2005·Application pending·0 cites
- 4248US2008050643A1Electrically conductive lands adhered to gas diffusion media and methods of making and using the sameGM GLOBAL TECH OPERATIONS INC·Filed 2006·Application pending·0 cites
- 4346US12222090B2Engagement systems for recessed luminaresSIGNIFY HOLDING BV·Filed 2024·Granted Feb 11, 2025·0 cites·14 claims
- 4446US8182884B2Process for application of a hydrophilic coating to fuel cell bipolar platesWINTER GERHARD·Filed 2006·Granted May 22, 2012·0 cites·7 claims
- 4546US2006040164A1Surface modifications of fuel cell elements for improved water managementGM GLOBAL TECH OPERATIONS INC·Filed 2005·Application pending·0 cites
- 4646US2006040148A1Method of treating composite platesGM GLOBAL TECH OPERATIONS INC·Filed 2005·Application pending·0 cites
- 4744US7687177B2Nitrided bipolar platesGEN MOTORS CORP·Filed 2005·Granted Mar 30, 2010·0 cites·10 claims
- 4844US2007238006A1Water management properties of pem fuel cell bipolar plates using carbon nano tube coatingsVYAS GAYATRI·Filed 2005·Application pending·0 cites
- 4944US2005100774A1Novel electrical contact element for a fuel cellFiled 2003·Application pending·0 cites
- 5041US2003165731A1Coated fuel cell electrical contact elementFiled 2002·Application pending·0 cites
Showing the top 50 of 53 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →