Pem fuel cell
CA 2409454 A1 · Owner: Hewlett-Packard Co. · Inventors: Leban, Marzio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention disclosed herein is directed toward a novel structural design for a PEM fuel, cell, as well as a novel method of creating an anode and a cathode via a sputtering, technique. This invention can be used with hydrogen or direct methanol fuel cells. The, geometry, discussed more fully above allows a design engineer to construct a compact, fuel cell useful in portable devices requiring battery power. In addition to facilitating, connecting multiple fuel cells together in a layer the design of this , invention allows for the creation of fuel cell stacks. The sputtering disclosed herein is comprised of sputtering, thin film catalysts onto the surfaces of anodes 22 24, 26 and …
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 October 23, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 23, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 23, 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.