Fuel cell producing method and apparatus
CA 2541353 C · Owner: Usui, Akihiro · Inventors: Usui, Akihiro; Furukawa, Ryuichiro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of producing a fuel cell by layering a large number of sheets of unit fuel , cells. A first supporting plate is placed at the front section of a pusher unit in a slightly , inclined, upward facing position and then a large number of sheets of unit fuel cells are , layered on the first supporting plate. After that while making the pusher , unit fall into a horizontal position, vibration is applied to the layered unit fuel cells for alignment. A , second supporting plate is provided at the front end surface of the aligned unit fuel cells. , The first and second supporting plates are connected using connection plates while a , predetermined pressing force is applied to the unit …
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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 2, 2004 and granted August 28, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 2, 2024.
- 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.