Inventor · disambiguated record
David A. Martinchek
Also filed as: MARTINCHEK DAVID · MARTINCHEK DAVID A
15 granted patents·2 pending applications·41 citations·filing 2010–2022
89Inventor score
Files withGM GLOBAL TECH OPERATIONS LLC10MARTINCHEK DAVID A3GM GLOBAL TECH OPERATIONS INC1GUZDA JEFFREY M1OPERATIONS LLC GM GLOBAL TECHNOLOGY1
Top patents by PatentIndex Score
17 records- 0191US9634340B2Plate-style water vapor transfer unit with integral headersGM GLOBAL TECH OPERATIONS LLC·Filed 2012·Granted Apr 25, 2017·10 cites·8 claims
- 0290US8317907B2Water vapor transfer assemblyMARTINCHEK DAVID A·Filed 2010·Granted Nov 27, 2012·10 cites·20 claims
- 0387US9048468B2Method for forming channels on diffusion media for a membrane humidifierGUZDA JEFFREY M·Filed 2010·Granted Jun 2, 2015·7 cites·16 claims
- 0485US9627705B2Fuel cell stack assembly—datum design for fuel cell stacking and collision protectionGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted Apr 18, 2017·2 cites·20 claims
- 0584US9203097B2Discretely supported wet side platesMARTINCHEK DAVID A·Filed 2012·Granted Dec 1, 2015·8 cites·10 claims
- 0680US9590263B2Fuel cell stack assembly—datum design for fuel cell stacking and collision protectionGM GLOBAL TECH OPERATIONS LLC·Filed 2014·Granted Mar 7, 2017·3 cites·11 claims
- 0769US9742014B2Method for forming channels on diffusion media for a membrane humidifierGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted Aug 22, 2017·1 cites·6 claims
- 0867US10637091B2Fuel cell stack and assembly method of sameGM GLOBAL TECH OPERATIONS LLC·Filed 2018·Granted Apr 28, 2020·0 cites·20 claims
- 0966US9997800B2Fuel cell stack and assembly method of sameGM GLOBAL TECH OPERATIONS LLC·Filed 2014·Granted Jun 12, 2018·0 cites·7 claims
- 1064US2024072270A1System for supporting a fuel cell stackPLUG POWER INC·Filed 2022·Application pending·0 cites
- 1154US10297802B2Fuel cell stack sealing methods, apparatus, and systemsGM GLOBAL TECH OPERATIONS LLC·Filed 2013·Granted May 21, 2019·0 cites·19 claims
- 1254US9728790B2Fuel cell stack bus bar assembly systems and methodsGM GLOBAL TECH OPERATIONS LLC·Filed 2013·Granted Aug 8, 2017·0 cites·15 claims
- 1353US10396370B2Passive tortuous path drainGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Aug 27, 2019·0 cites·17 claims
- 1453US9225033B2Fuel cell stack compression system having integrated vehicle mountsGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Dec 29, 2015·0 cites·12 claims
- 1549US2014272662A1Cell retention design and processOPERATIONS LLC GM GLOBAL TECHNOLOGY·Filed 2013·Application pending·0 cites
- 1648US8580016B2Adjustable air flow bypass in a water vapor transfer assembly to reduce beginning of life water transfer variationMARTINCHEK DAVID A·Filed 2011·Granted Nov 12, 2013·0 cites·17 claims
- 1741US10270120B2Fuel cell stack assembly-compression systemGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Apr 23, 2019·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →