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Expired Canadian patentCanada

Power generator

CA 1096641 A · Owner: Steag Aktiengesellschaft · Inventors: Heyn, Klaus; Pogrzeba, Hans-Joachim

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

An installation for obtaining energy from solid fossil fuels, especially those high in inerts more particular-, ly bituminous coal, the said installation consisting of at least one block in which the solid fuels are converted into gas and containing a gas turbine and a steam turbine for extracting energy from the gas, the dust and sulphur being removed from the gases, in the block, before the gas turbine characterized in that a melting-chamber boiler to which, the ground fuel is fed, is equipped with pressure firing the flue-gases therefrom being adapted to be fed to the desulphurizing unit and to the dust-removal unit before being used in the gas turbine.

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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 March 3, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 3, 1998.
  • 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 27, 1977
GrantedMarch 3, 1981
Term endedMarch 3, 1998
Patent numberCA 1096641 A
Classification (IPC)F01K23/00 +2 more

Timeline

Timeline From CIPO dates

1978198119841987199019931996Application filedSep 27, 1977Patent grantedMarch 3, 1981Term endedMarch 3, 1998

Sources & verification

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