Inventor
Ivan D. Chapman
Inventor
Victor, NY, US
Overview
Patents· 9 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%
B60LPropulsion of electrically-propelled vehicles5%
Y02TClimate change mitigation technologies related to transportation5%
PatentTitleYear
10,547,064Tunnel cross section for more uniformed contact pressure distribution on metal bead seal at the intersection between bead and tunnel202010,522,847Seal contact pressure uniformity by inserting connection at bead corners201910,211,473Reduction of pressure variation with stamped embossment at bead neighbors201910,153,499Unsymmetric compact metal seal beads for fuel cell stack20188,795,921'Aligning method for repeating and non-repeating units in a fuel cell stack'20148,778,551'Fluid flow pulsing for increased stability in PEM fuel cell'20147,820,335'Plate for a fuel cell assembly'20107,794,890'Aligning method for repeating and non-repeating units in a fuel cell stack'20107,749,634'Flow control for multiple stacks'2010Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2010–2014Patents assigned to GM GLOBAL TECH OPERATIONS INC (5)· patent assignee history
2010–2019Based in Victor, NY, US· patent location history
2014Patents assigned to ANDREAS-SCHOTT BENNO (1)· patent assignee history
2014Patents assigned to BEUTEL MATTHEW J (1)· patent assignee history
2014Patents assigned to CHAPMAN IVAN D (1)· patent assignee history
2018–2020Patents assigned to GM GLOBAL TECH OPERATIONS LLC (4)· patent assignee history
2018–2020Based in Rochester, MI, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GM GLOBAL TECH OPERATIONS INC | 5 | 2010–2014 |
| GM GLOBAL TECH OPERATIONS LLC | 4 | 2018–2020 |
| ANDREAS-SCHOTT BENNO | 1 | 2014 |
| BEUTEL MATTHEW J | 1 | 2014 |
| CHAPMAN IVAN Dself | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Victor, New York, US | 7 | 2010–2019 |
| Rochester, MI, US | 2 | 2018–2020 |