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Expired Canadian patentCanada

High efficiency gas burner

CA 1191778 A · Owner: Advanced Mechanical Technology, Inc. · Inventors: Schuetz, Mark A.

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 burner assembly provides for 100% premixing of fuel and air by drawing the air into at least one high velocity stream of fuel without power assist. Specifically, the nozzle assembly for injecting the fuel into a throat comprises a plurality of nozzles in a generally circular array. Preferably, swirl is imparted to the air/fuel mixture by angling the nozzles. The diffuser comprises a conical primary diffuser followed by a cusp diffuser.

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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 August 13, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 13, 2002.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 9, 1982
GrantedAugust 13, 1985
Term endedAugust 13, 2002
Patent numberCA 1191778 A
Classification (IPC)F23D14/84 +2 more

Timeline

Timeline From CIPO dates

1983198519871989199119931995199719992001Application filedSep 9, 1982Patent grantedAug 13, 1985Term endedAug 13, 2002

Sources & verification

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