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Expired Canadian patentCanada

Pressurized, integrated electrochemical converter energy system

CA 2276205 C · Owner: Hsu, Michael S. · Inventors: Hsu, Michael S.

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

An electrochemical converter is disposed within a pressure vessel that collects hot exhaust gases generated by the converter for delivery to a cogeneration bottoming device, such as a gas turbine. The bottoming device extracts energy from the waste heat generated by the converter such as a fuel , cell for the generation of electricity yielding an improved efficiency energy system. Bottoming devices can include, for example a gas turbine system or a , heating, ventilation or cooling (HVAC) system. The pressure vessel can include a heat exchanger, such as a cooling jacket for cooling the pressure vessel , and/or preheating an input reactant to the electrochemical converter prior to …

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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 December 23, 1997 and granted October 22, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 23, 2017.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 23, 2019.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 23, 1997
GrantedOctober 22, 2002
Term endedDecember 23, 2017
Patent numberCA 2276205 C
Classification (IPC)H01M8/24 +2 more

Timeline

Timeline From CIPO dates

1998200020022004200620082010201220142016Application filedDec 23, 1997Patent grantedOct 22, 2002Term endedDec 23, 2017

Sources & verification

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