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Expired Canadian patentCanada

Fuel cell assembly comprising an electrolyte reservoir

CA 2410005 C · Owner: Mtu Cfc Solutions Gmbh · Inventors: Hoffmann, Joachim

CIPO record

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Abstract From the Canadian patent

The invention relates to a fuel-cell assembly comprising a number of fuel cells that, are arranged in a stack. Each fuel cell contains an anode a cathode and a , porous, electrolyte matrix arranged therebetween. An electrolyte reservoir which, compensates the electrolyte losses from the fuel cells is provided at the end or in, the vicinity of the end of the fuel cell stack said electrolyte being , transported to the individual fuel cells by electrical forces within the fuel cell stack. According to the, invention, the electrolyte reservoir is configured as a supporting structure which, forms hollow chambers that contain porous bodies for absorbing the electrolyte in, their pores.

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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 May 23, 2001 and granted July 19, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 23, 2021.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 23, 2023.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 23, 2001
GrantedJuly 19, 2011
Term endedMay 23, 2021
Patent numberCA 2410005 C
Classification (IPC)H01M8/04 +2 more

Timeline

Timeline From CIPO dates

2002200420062008201020122014201620182020Application filedMay 23, 2001Patent grantedJuly 19, 2011Term endedMay 23, 2021

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