Inventor
David A. Martinchek
Inventor
Spencerport, NY, US
Overview
15→
Patents
2012–2020
Patent span
General tagging of new technological developments
Primary field (CPC Y)
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Mprimary
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy31%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution31%
Y10TTechnical subjects covered by former us classification12%
Y02TClimate change mitigation technologies related to transportation10%
Y02PClimate change mitigation technologies in the production or processing of goods8%
B01DSeparation4%
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling2%
B60LPropulsion of electrically-propelled vehicles2%
PatentTitleYear
10,637,091Fuel cell stack and assembly method of same202010,396,370Passive tortuous path drain201910,297,802Fuel cell stack sealing methods, apparatus, and systems201910,270,120Fuel cell stack assembly-compression system20199,997,800Fuel cell stack and assembly method of same20189,742,014'Method for forming channels on diffusion media for a membrane humidifier'20179,728,790'Fuel cell stack bus bar assembly systems and methods'20179,634,340'Plate-style water vapor transfer unit with integral headers'20179,627,705'Fuel cell stack assembly—datum design for fuel cell stacking and collision protection'20179,590,263'Fuel cell stack assembly—datum design for fuel cell stacking and collision protection'20179,225,033'Fuel cell stack compression system having integrated vehicle mounts'20159,203,097'Discretely supported wet side plates'20159,048,468'Method for forming channels on diffusion media for a membrane humidifier'20158,580,016'Adjustable air flow bypass in a water vapor transfer assembly to reduce beginning of life water transfer variation'20138,317,907'Water vapor transfer assembly'2012Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2012–2015Patents assigned to GM GLOBAL TECH OPERATIONS INC (5)· patent assignee history
2012–2015Patents assigned to MARTINCHEK DAVID A (4)· patent assignee history
2012–2020Based in Spencerport, NY, US· patent location history
2013–2015Patents assigned to BRONCHETTI THOMAS D (2)· patent assignee history
2017–2020Patents assigned to GM GLOBAL TECH OPERATIONS LLC (10)· patent assignee history
2018–2020Patents assigned to HONDA MOTOR CO LTD (2)· patent assignee history
2019Based in Pontiac, MI, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GM GLOBAL TECH OPERATIONS LLC | 10 | 2017–2020 |
| GM GLOBAL TECH OPERATIONS INC | 5 | 2012–2015 |
| MARTINCHEK DAVID Aself | 4 | 2012–2015 |
| BRONCHETTI THOMAS D | 2 | 2013–2015 |
| HONDA MOTOR CO LTD | 2 | 2018–2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Spencerport, New York, US | 14 | 2012–2020 |
| Pontiac, MI, US | 1 | 2019 |