Fuel cell and power generating method
CA 2583168 C · Owner: Sugita, Taiichi · Inventors: Yano, Masaya; Okeyui, Takuji; Sugimoto, Masakazu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A fuel cell which exhausts a small amount of hydrogen gas does not easily , pose problems with exhaust gas treatment and gas discharging and can generate , power constantly, continuously and efficiently and a power generating method , using it. The fuel cell is provided with single or a plurality of unit cells UC each comprising a platy solid polyelectrolyte (1) a cathode-side electrode , plate (2), an anode-side electrode plate (3) an oxygen-containing gas supply , unit for supplying oxygen-containing gas to the cathode-side electrode plate (2), and a hydrogen gas flow path unit for supplying hydrogen gas to the anodeside electrode plate (3), wherein, for the above unit cell UC …
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 September 29, 2005 and granted January 29, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 29, 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.