Inventor
Ian Stewart
Inventor
Burnaby, CA
Overview
10→
Patents
1990–2021
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.
Y02Eprimary
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution28%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy24%
Y02TClimate change mitigation technologies related to transportation8%
B29CShaping or joining of plastics4%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts4%
B64DEquipment for fitting in or to aircraft4%
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers4%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors4%
F03DWind motors4%
F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g4%
PatentTitleYear
11,114,678Bipolar plate seal assembly and fuel cell stack with such a bipolar plate seal assembly202111,088,373Seal for solid polymer electrolyte fuel cell202110,790,518Electrical contact device for a fuel cell stack202010,497,947Seal for a fuel cell, and fuel cell201910,122,024Bipolar plate having half plates of varying thickness and fuel cell stack having same201810,020,520Bipolar plate and fuel cell comprising a bipolar plate of this type20188,105,045'Wind turbine blade and method for manufacturing a wind turbine blade'20127,717,252'Cargo power drive unit with uniform bi-directional drive traction'20105,136,578'Transposed multi-channel switching'19924,909,394'Nestable lockable foamed thermoplastic container or cup'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990Patents assigned to CITYLINK GROUP LIMITED (1)· patent assignee history
1992Based in Cary, NC, US· patent location history
2010Patents assigned to GOODRICH CORP (1)· patent assignee history
2010Based in Diamond Bar, CA, US· patent location history
2012Based in Southampton, GB· patent location history
2018–2021Patents assigned to VOLKSWAGEN AG (5)· patent assignee history
2018–2021Patents assigned to AUDI AG (4)· patent assignee history
2018–2021Based in Burnaby, CA· patent location history
2018–2021Based in Vancouver, CA· patent location history
2021Patents assigned to BALLARD POWER SYSTEMS (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| VOLKSWAGEN AG | 5 | 2018–2021 |
| AUDI AG | 4 | 2018–2021 |
| BALLARD POWER SYSTEMS | 1 | 2021 |
| CITYLINK GROUP LIMITED | 1 | 1990 |
| GOODRICH CORP | 1 | 2010 |
Locations
| Location | Patents | Span |
|---|---|---|
| Burnaby, CA | 3 | 2018–2021 |
| Vancouver, CA | 3 | 2018–2021 |
| Southampton, GB | 1 | 2012 |
| Diamond Bar, California, US | 1 | 2010 |
| Cary, NC, US | 1 | 1992 |