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Expired Canadian patentCanada

Electrolyser and process and apparatus for separating a gas-liquid mixture generated therein

CA 2589979 C · Owner: Stuart Energy Systems Corporation · Inventors: Stemp, Michael C.; Hinatsu, James T.

CIPO record

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Abstract From the Canadian patent

The present invention is directed to an electrolyser module having a plurality of cell plates. Some of , the cell plates define electrolysis cells. In some examples the cell plates comprise an electrolysis , chamber opening at least one degassing chamber opening and at least one gas-, liquid conduit opening. The plates further comprise a channel connecting the electrolysis chamber opening and the gas-liquid , conduit opening. The electrolyser module may also include a return plate or other means for returning , degassed liquids to the electrolysis cells wherein the return plate is , horizontally displaced from the electrolysis cells. The present invention is directed further to a …

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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 7, 2005 and granted August 25, 2020. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 7, 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.
FiledDecember 7, 2005
GrantedAugust 25, 2020
Term endedDecember 7, 2025
Patent numberCA 2589979 C
Classification (IPC)C25B9/60 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedDec 7, 2005Patent grantedAug 25, 2020Term endedDec 7, 2025

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