Inventor
Siguang Xu
Inventor
Rochester Hills, MI, US
Overview
23→
Patents
2013–2021
Patent span
General tagging of new technological developments
Primary field (CPC Y)
Patents· 23 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 energy33%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution33%
Y02PClimate change mitigation technologies in the production or processing of goods9%
Y02TClimate change mitigation technologies related to transportation6%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material2%
B30BPresses in general2%
B60LPropulsion of electrically-propelled vehicles2%
B64CAeroplanes2%
B64UUnmanned aerial vehicles [uav]2%
C08LCompositions of macromolecular compounds2%
PatentTitleYear
11,094,112Intelligent capturing of a dynamic physical environment202110,811,697Fuel cells, half plates, and methods for designing the same202010,629,938Fuel cell end plate unit and stack202010,547,064Tunnel cross section for more uniformed contact pressure distribution on metal bead seal at the intersection between bead and tunnel202010,529,996Header design employing generally regular shapes202010,522,847Seal contact pressure uniformity by inserting connection at bead corners201910,522,852Reinforcement structure for bead seal in a plate assembly201910,497,948Fuel cell stack with asymmetrical bipolar plates201910,468,707Fuel cell stack assembly201910,411,272Optimization of tunnel location for uniform contact pressure distribution201910,388,969Bipolar plate for a fuel cell, and a method manufacturing the same201910,388,979Method of manufacturing a fuel cell stack201910,369,613Die assembly for a stamping press201910,355,289Plate structure for a fuel cell201910,347,921Header flange to evenly distribute contact pressure across seals201910,333,158Plate assembly having sealing members in an offset alignment201910,297,811Fuel cell stack201910,211,473Reduction of pressure variation with stamped embossment at bead neighbors201910,153,499Unsymmetric compact metal seal beads for fuel cell stack20189,406,945'Die clearance control for thin sheet stainless steel BPP forming'20169,008,813'Method to improve the dimensional accuracy and surface quality for large spring back compensation for fuel cell bipolar plate forming'20158,778,567'Unique pre-form design for two-step forming of stainless steel fuel cell bipolar plates'20148,465,879'Reinforced fuel cell metal plate perimeter'2013Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2013–2015Patents assigned to GM GLOBAL TECH OPERATIONS INC (3)· patent assignee history
2013–2015Patents assigned to SPENCER STEVEN J (2)· patent assignee history
2013–2015Patents assigned to XU SIGUANG (2)· patent assignee history
2013–2020Based in Rochester Hills, MI, US· patent location history
2016–2020Patents assigned to GM GLOBAL TECH OPERATIONS LLC (19)· patent assignee history
2019–2020Patents assigned to HONDA MOTOR CO LTD (3)· patent assignee history
2020Based in Rochester, MI, US· patent location history
2021Based in Santa Clara, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GM GLOBAL TECH OPERATIONS LLC | 19 | 2016–2020 |
| GM GLOBAL TECH OPERATIONS INC | 3 | 2013–2015 |
| HONDA MOTOR CO LTD | 3 | 2019–2020 |
| SPENCER STEVEN J | 2 | 2013–2015 |
| XU SIGUANGself | 2 | 2013–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Rochester Hills, MI, US | 21 | 2013–2020 |
| Santa Clara, California, US | 1 | 2021 |
| Rochester, MI, US | 1 | 2020 |