Compact solid oxide fuel cell stack
CA 2414622 A1 · Owner: Johanson, Lorne · Inventors: Rho, Hongsang; Johanson, Lorne; Sarkar, Partho
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to a compact solid oxide fuel cell stack comprising a plurality of concentrically arranged tubular solid oxide fuel cells and end caps, connecting the fuel cells. The end caps have inlets and outlets for the flow of fuel, and oxidant through the stack. The arrangement of the fuel cells with in the stack, define extended reactant flow paths to provide higher residence time for the reactants in the stack, thereby improving fuel conversion in an electrochemical, reaction.
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 17, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 17, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 17, 2024.
- 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.