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Expired Canadian patentCanada

High efficiency radiant burner with heat exchanger option

CA 2617564 C · Owner: Cascade Designs, Inc. · Inventors: Porensky, John; Stephens, D. Redwood

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 radiant burner (10) and optional heat exchanger (90) arrangement where the radiant burner (10) has a generally enclosed cavity (24) defined at least in , part, by fuel gas impermeable surroundings (12,14) and a lower surface (62) of fuel gas permeable burner element (60) wherein cavity (12) preferably has two opening (16a,16b) exposed to an oxidizer source. Sealingly coupled to openings (16a,16b) are mix tubes (50a,50b), each having respective first ends (52a,52b) and second ends (54a,54b), wherein first ends (52a,52b) occupy openings (16a 16b) and second ends (54a, 54b) extend into and are exposed to cavity (12). Fuel gas injectors (48a,48b), which during use are in fluid …

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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 August 7, 2006 and granted April 12, 2016. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 7, 2026.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 7, 2006
GrantedApril 12, 2016
Term endedAugust 7, 2026
Patent numberCA 2617564 C
Classification (IPC)F23D14/12 +2 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedAug 7, 2006Patent grantedApril 12, 2016Term endedAug 7, 2026

Sources & verification

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