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Expired Canadian patentCanada

Fluidized bed steam generating system including a steam cooled cyclone separator

CA 1311395 C · Owner: Foster Wheeler Energy Corporation · Inventors: Abdulally, Iqbal F.; Bartkowiak, Peter; Touma, Alfred 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

Abstract of the Disclosure, A fluidized bed steam generating system in which a cyclone separator is disposed between the furnace section and heat recovery area of a steam generating system. The walls of the cyclone separator are provided with tubes which receive fluid from the steam drum. The fluid is passed through the walls of the separator to cool same before being passed to the heat recovery area. ld-8193s

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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

  • Granted December 15, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 15, 2009.
  • 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 26, 1989
GrantedDecember 15, 1992
Term endedDecember 15, 2009
Patent numberCA 1311395 C
Classification (IPC)F22B1/00 +1 more

Timeline

Timeline From CIPO dates

1990199219941996199820002002200420062008Application filedSep 26, 1989Patent grantedDec 15, 1992Term endedDec 15, 2009

Sources & verification

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