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Expired Canadian patentCanada

Cooling system for gasifier burner operation in a high pressure environment

CA 1304226 C · Owner: Stellaccio, Robert Joseph · Inventors: Stellaccio, Robert Joseph

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 HIGH PRESSURE ENVIRONMENT (D#78,323-F), ABSTRACT, A burner for operating in a high temperature and high pressure atmosphere such as in a fuel burning gasifier requires a high degree of cooling such as by water circulation through the burner. In the event of physical breakage or damage to the normal cooling system, means is provided for introducing a higher pressure coolant into the system. The latter fills the system, both upstream and downstream of the cooling coil, to permit progressive discontinuance of the burner operation without substantial damage. It further avoids the backflow of gas from the high pressure gasifier which would otherwise be discharged to flow back through 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

  • Granted June 30, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 30, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 7, 1988
GrantedJune 30, 1992
Term endedJune 30, 2009
Patent numberCA 1304226 C
Classification (IPC)C10J3/48 +1 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedMarch 7, 1988Patent grantedJune 30, 1992Term endedJune 30, 2009

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