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Expired Canadian patentCanada

Steam generator

CA 1267333 C · Owner: Byrnes, Thomas S. · Inventors: Byrnes, Thomas S.

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 compact instant steam generator is provided for on site use where various qualities of steam may be required. A water jacket cooled combustion chamber having a burner at one end and a water spray nozzle at the other end is used. In operation, a water spray is directed countercurrently to the burner exhaust gases whereby instant vaporization of the water occurs due to the extreme turbulence and thorough mixing of the opposing streams. The water spray is located remote from the burner flame so that flame quenching by the water does not occur. The device of the invention is capable of generating steam while coproducing a very low level of carbon monoxide.

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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 April 3, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 3, 2007.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 9, 1988
GrantedApril 3, 1990
Term endedApril 3, 2007
Patent numberCA 1267333 C
Classification (IPC)F22B27/00 +1 more

Timeline

Timeline From CIPO dates

1989199119931995199719992001200320052007Application filedNov 9, 1988Patent grantedApril 3, 1990Term endedApril 3, 2007

Sources & verification

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