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Canadian application, no grantCanada

Heat exchanger for preheating an oxidizing gas

CA 2291908 A1 · Owner: Fossen, Arnaud · Inventors: Tsiava, Remi Pierre; Fossen, Arnaud; Joshi, Mahendra L.

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

A heat exchanger useful for preheating oxidizing gases in a combustion process includes a shell having an inlet and an outlet for the ingress and egress of a first heat exchange fluid such as a flue gas or, preheated air. A first tube manifold couples an inlet end-cap to the first end of, the shell. The inlet end-cap has an inlet for receiving a second heat exchange fluid, such as an oxidizing gas. In one embodiment a second manifold, couples an outlet end-cap to the second end of the shell. The second manifold includes an outlet tube therein extending from the second manifold through an outlet opening in the outlet end-cap. A tube bundle is disposed within the shell for transporting the …

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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 8, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 8, 2019.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 8, 2021.
  • 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 8, 1999
GrantedNo grant recorded
Term endedDecember 8, 2019
Patent numberCA 2291908 A1
Classification (IPC)F28D7/10 +2 more

Timeline

Timeline From CIPO dates

2000200220042006200820102012201420162018Application filedDec 8, 1999Term endedDec 8, 2019

Sources & verification

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