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Expired Canadian patentCanada

Fuel cell power generation system

CA 2548595 C · Owner: Lam, Alex · Inventors: Lam, Alex

CIPO record

Overview

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Abstract From the Canadian patent

An electric power generator is particularly suitable for providing back-up power to sites with multiple power requirements. This generator comprises a rack having multiple module bays; at least one power conversion module is mounted in one of the bays and is electrically coupled to a fuel cell stack also mounted in the rack or located remote from the rack. The power conversion module converts the voltage level and/or current type of some of the electricity produced by the stack such that the generator can simultaneously output electricity at multiple voltage levels and/or current types. The rack can be a standardized nineteen relay rack making the generator relatively , compact and …

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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 September 23, 2005 and granted November 18, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 23, 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.
FiledSeptember 23, 2005
GrantedNovember 18, 2014
Term endedSeptember 23, 2025
Patent numberCA 2548595 C
Classification (IPC)H02J4/00 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedSep 23, 2005Patent grantedNov 18, 2014Term endedSep 23, 2025

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.