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Expired Canadian patentCanada

Curie temperature thermostat for a eddy current heating device and method

CA 2538735 C · Owner: Dooley, Kevin Allan · Inventors: Dooley, Kevin Allan

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

The device and method disclosed herein are used for controlling eddy currents generated by an electro-magnetic heater having at least one magnetic field producing , element. To control the heater a source of heat is used to heat a Curie temperature , material, located adjacent to the magnetic field producing element. This prevents heat , from being generated in the object being heated.

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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 March 7, 2006 and granted October 28, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 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.
FiledMarch 7, 2006
GrantedOctober 28, 2014
Term endedMarch 7, 2026
Patent numberCA 2538735 C
Classification (IPC)H05B6/06

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedMarch 7, 2006Patent grantedOct 28, 2014Term endedMarch 7, 2026

Sources & verification

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