Fuel cell assembly
CA 2428531 A1 · Owner: Bednarz, Marc · Inventors: Bednarz, Marc; Steinfort, Marc
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 fuel cell assembly with fuel cells (12) arranged in the form of a fuel cell stack (10). The fuel cells (12) each comprise an anode (1), a cathode (2) and an electrolyte matrix (3) arranged therebetween and , are separated from one another and electrically contacted by bipolar plates (4). Current collectors (4a, 4b) are respectively provided on the electrodes (1, 2) for electrically contacting the same and for guiding combustion gas or cathode gas thereon. In addition, means are provided for supplying and carrying away combustion gas and cathode gas to and from the fuel cells (12). A means that generates a pretensioning force subjects the fuel cells (12) …
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 November 13, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 13, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 13, 2023.
- 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.