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Expired Canadian patentCanada

Heat reclaimer for a heat pump

CA 1101232 A · Owner: 379235 Ontario Ltd. · Inventors: Beacham, William H.

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

This invention relates to a heat reclaiming device for a heat pump. The heat reclaimer is able to absorb heat from the compressor by circulating cooling fluid through a circuit which is mounted in good heat transfer relationship with the condenser thence around the shell of the motor-compressor and lastly around the hollow tube which connects the condenser to the compressor. The reclaiming circuit is connected into a fluid circulating loop which is used to supply heat to the evaporator coil of the heat pump.

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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 May 19, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 19, 1998.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 18, 1978
GrantedMay 19, 1981
Term endedMay 19, 1998
Patent numberCA 1101232 A
Classification (IPC)F25B13/00 +2 more

Timeline

Timeline From CIPO dates

1979198119831985198719891991199319951997Application filedMay 18, 1978Patent grantedMay 19, 1981Term endedMay 19, 1998

Sources & verification

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