DM

David A. Martinchek

General Motors: 15 patents #942 of 18,328Top 6%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
Overall (All Time): #319,316 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
10637091 Fuel cell stack and assembly method of same Robert Thompson, Masaaki Sakano, Hiroyuki Tanaka 2020-04-28
10396370 Passive tortuous path drain Robert Thompson 2019-08-27
10297802 Fuel cell stack sealing methods, apparatus, and systems 2019-05-21
10270120 Fuel cell stack assembly-compression system Martin Heinzmann 2019-04-23
9997800 Fuel cell stack and assembly method of same Robert Thompson, Masaaki Sakano, Hiroyuki Tanaka 2018-06-12
9742014 Method for forming channels on diffusion media for a membrane humidifier Jeffrey M. Guzda 2017-08-22
9728790 Fuel cell stack bus bar assembly systems and methods David A. Southwick 2017-08-08
9634340 Plate-style water vapor transfer unit with integral headers Ian R. Jermy, Jeffrey M. Guzda 2017-04-25
9627705 Fuel cell stack assembly—datum design for fuel cell stacking and collision protection Robert Thompson 2017-04-18
9590263 Fuel cell stack assembly—datum design for fuel cell stacking and collision protection Robert Thompson, Martin Heinzmann 2017-03-07
9225033 Fuel cell stack compression system having integrated vehicle mounts David A. Southwick 2015-12-29
9203097 Discretely supported wet side plates Thomas D. Bronchetti 2015-12-01
9048468 Method for forming channels on diffusion media for a membrane humidifier Jeffrey M. Guzda 2015-06-02
8580016 Adjustable air flow bypass in a water vapor transfer assembly to reduce beginning of life water transfer variation Thomas D. Bronchetti, Ian R. Jermy 2013-11-12
8317907 Water vapor transfer assembly Ian R. Jermy 2012-11-27