Fuel cell architecture
CA 2494938 C · Owner: L'Air Liquide, Societe Anonyme A Directoire Et Conseil De Surveillance Pour L'Etude Et L'Exploitation Des Procedes Georges Claude · Inventors: Roberge, Guillaume
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The cell has at least one basic cell with carbon anodic and cathodic bi-polar plates (1 2) surrounding a polymer membrane (3). Each bi-polar plate is sandwiched between two coolant cells (8) that are formed by at least one adjacent aluminum plate defining fluid channels or chambers. The aluminum plates are coated with a fine nickel layer having a thickness of not more than 50 micrometers where nickel layer is formed by electro-deposition.
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 January 28, 2005 and granted March 6, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 28, 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.