Humidifying module and its unit cell for fuel cell
CA 2435295 A1 · Owner: Kao, Mike Pen-Mu · Inventors: Yang, Jefferson Ys; Cheng, Yaw Chung; Yang, Te-Chou
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A module for humidifying a fuel cell and a unit cell therein. The unit cell includes a first guiding plate a, second guiding plate, and an intermediate layer. The first guiding plate, communicating with the fuel cell includes a plurality of first grooves so that air flows to the fuel cell via the first grooves. The second guiding plate, communicating with the fuel cell includes, a plurality of second grooves so that gas from the fuel cell flows out of the unit cell via the second grooves. The second grooves face the first grooves. The intermediate layer is disposed between the first guiding plate and the second guiding plate, and prevents the air flowing in the first grooves from mixing …
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 16, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 16, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 16, 2025.
- 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.