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Canadian application, no grantCanada

Gas turbine-air separation plant combination

CA 2124482 A1 · Owner: Praxair Technology, Inc. · Inventors: Drnevich, Raymond Francis

CIPO record

Overview

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

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Abstract From the Canadian patent

A system and method of operating a system comprising an air separation plant and a gas turbine engine, the method comprising: providing a nitrogen-rich stream from the air separation plant; expanding and thereby cooling the nitrogen-rich stream; and delivering the expanded stream to the inlet of the compressor of the gas turbine engine to combine with the air stream entering the inlet of the compressor to form a total feed stream with reduced temperature and oxygen content so as to increase power output increase, efficiency and reduce NOx emissions of 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

  • Filed May 27, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 27, 2014.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 27, 2016.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 27, 1994
GrantedNo grant recorded
Term endedMay 27, 2014
Patent numberCA 2124482 A1
Classification (IPC)F25J3/04 +2 more

Timeline

Timeline From CIPO dates

1995199719992001200320052007200920112013Application filedMay 27, 1994Term endedMay 27, 2014

Sources & verification

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