Inventor
James S. Siepierski
Inventor
Williamsville, NY, US
Overview
10→
Patents
2001–2012
Patent span
General tagging of new technological developments
Primary field (CPC Y)
Patents· 10 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 energy45%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution45%
F04DNon-positive-displacement pumps5%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications5%
PatentTitleYear
8,158,296'Circulation check for fuel cell coolant'20127,781,113'Circulation check for fuel cell coolant'20107,320,840'Combination of injector-ejector for fuel cell systems'20087,205,058'Residual stack shutdown energy storage and usage for a fuel cell power system'20077,067,211'Cogeneration system for a fuel cell'20066,902,838'Cogeneration system for a fuel cell'20056,884,528'Cogeneration system for a fuel cell'20056,830,842'Hydrogen purged motor for anode re-circulation blower'20046,365,289'Cogeneration system for a fuel cell'20026,268,074'Water injected fuel cell system compressor'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001–2008Patents assigned to GEN MOTORS CORP (8)· patent assignee history
2001–2012Based in Williamsville, NY, US· patent location history
2010–2012Patents assigned to GM GLOBAL TECH OPERATIONS INC (2)· patent assignee history
2010Based in Wiliamsville, NY, US· patent location history
2012Patents assigned to FARRIS STEPHEN (1)· patent assignee history
2012Patents assigned to HOCH MARTIN M (1)· patent assignee history
2012Patents assigned to SIEPIERSKI JAMES S (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEN MOTORS CORP | 8 | 2001–2008 |
| GM GLOBAL TECH OPERATIONS INC | 2 | 2010–2012 |
| FARRIS STEPHEN | 1 | 2012 |
| HOCH MARTIN M | 1 | 2012 |
| SIEPIERSKI JAMES Sself | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Williamsville, New York, US | 9 | 2001–2012 |
| Wiliamsville, New York, US | 1 | 2010 |