Inventor
MARTINCHEK DAVID A
US15 patents
⚠️ This page may combine multiple inventors who share the name “MARTINCHEK DAVID A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GM GLOBAL TECH OPERATIONS LLC
10 patentsUS9634340B2Apr 25, 2017
Plate-style water vapor transfer unit with integral headers
GM GLOBAL TECH OPERATIONS LLC10 citations82
US9627705B2Apr 18, 2017
Fuel cell stack assembly—datum design for fuel cell stacking and collision protection
GM GLOBAL TECH OPERATIONS LLC2 citations72
US9590263B2Mar 7, 2017
Fuel cell stack assembly—datum design for fuel cell stacking and collision protection
GM GLOBAL TECH OPERATIONS LLC3 citations68
US10637091B2Apr 28, 2020
Fuel cell stack and assembly method of same
GM GLOBAL TECH OPERATIONS LLC0 citations52
US9997800B2Jun 12, 2018
Fuel cell stack and assembly method of same
GM GLOBAL TECH OPERATIONS LLC0 citations52
US9742014B2Aug 22, 2017
Method for forming channels on diffusion media for a membrane humidifier
GM GLOBAL TECH OPERATIONS LLC1 citations49
US10396370B2Aug 27, 2019
Passive tortuous path drain
GM GLOBAL TECH OPERATIONS LLC0 citations41
US10297802B2May 21, 2019
Fuel cell stack sealing methods, apparatus, and systems
GM GLOBAL TECH OPERATIONS LLC0 citations40
US9728790B2Aug 8, 2017
Fuel cell stack bus bar assembly systems and methods
GM GLOBAL TECH OPERATIONS LLC0 citations40
US10270120B2Apr 23, 2019
Fuel cell stack assembly-compression system
GM GLOBAL TECH OPERATIONS LLC0 citations34
MARTINCHEK DAVID A
3 patentsUS8317907B2Nov 27, 2012
Water vapor transfer assembly
MARTINCHEK DAVID A10 citations81
US9203097B2Dec 1, 2015
Discretely supported wet side plates
MARTINCHEK DAVID A8 citations76
US8580016B2Nov 12, 2013
Adjustable air flow bypass in a water vapor transfer assembly to reduce beginning of life water transfer variation
MARTINCHEK DAVID A0 citations45