Apparatus and method of fabricating a monolithic solid oxide fuel cell
CA 2090683 C · Owner: Horne, Craig R. · Inventors: Minh, Nguyen Q.; Horne, Craig R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention details a two-step densifying process method, and apparatus for , making a solid oxide ceramic fuel cell (20). According to the invention a limited number of anode (30)-electrolyte (31)cathode (32) cells separated by a single or trilayer interconnect (33) are formed and densified. Subsequently a plurality of the , densified cells are stacked and further processed to form a monolithic array:
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 July 10, 1991 and granted September 10, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 10, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 10, 2013.
- 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.