A bipolar plate for a fuel cell
CA 2529827 C · Owner: Snecma · Inventors: Garceau, Patrick
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a bipolar plate for a fuel cell the plate being made up of two half-plates (200 300) assembled one against the other via their inside faces (200a 300a), each half-plate (200, 300) including in its inside face (200a 300a) at least a first groove and a second groove (201 202; 301, 302) that are spaced apart from each other. The bottoms (211 212; 311, 312) of said grooves each presenting a plurality of orifices (2110 2120; 3110, 3120) distributed along each groove and opening out into the outside face (200b; 300b) of the half-plate (200; 300). The outside face (200b; 300b) of each half-plate (200; 300) includes a plurality of distribution channels each distribution …
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed December 13, 2005 and granted August 14, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 13, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.