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Expired Canadian patentCanada

Process for producing by-product oxygen from turbine power generation

CA 1251048 A · Owner: Air Products And Chemicals, Inc. · Inventors: Hegarty, William P.

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

A method is set forth for the generation of net power and the recovery of by-product oxygen-enriched gas at low power requirements. Air is compressed to elevated temperature and pressure. at least a portion of the air is combusted and a portion of the oxygen is removed from the air or combustion effluent through a membrane or adsorbent before the oxygen lean combustion effluent is expanded through a turbine to recover power for the process and net power.

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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 14, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 14, 2006.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 22, 1985
GrantedMarch 14, 1989
Term endedMarch 14, 2006
Patent numberCA 1251048 A
Classification (IPC)F02C3/28 +2 more

Timeline

Timeline From CIPO dates

1986198919921995199820012004Application filedJuly 22, 1985Patent grantedMarch 14, 1989Term endedMarch 14, 2006

Sources & verification

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