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Expired Canadian patentCanada

Method and device for temperature monitoring along a measuring line

CA 2490560 C · Owner: Groenning, Wilhelm · Inventors: Schaumann, Oliver; Groenning, Wilhelm; Schuldt, Martin

CIPO record

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Abstract From the Canadian patent

The present invention relates to a registering device for registering a location along a measuring line at which location a temperature change takes place. In an advantageous way according to one exemplary embodiment of the present invention by means of the FMCW method a location on the measuring line is determined at which location a temperature increase exceeds a predefined threshold value. The location is determined on the basis of a signal which is registered by the measuring line in response to a fed-in frequency modulated signal from evaluation electronics. Advantageously in this way a simple and lightweight overheating warning system is provided for example for hot-air supply pipes …

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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 December 21, 2004 and granted November 27, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 21, 2024.
  • 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.
FiledDecember 21, 2004
GrantedNovember 27, 2012
Term endedDecember 21, 2024
Patent numberCA 2490560 C
Classification (IPC)G01K7/00 +2 more

Timeline

Timeline From CIPO dates

2005200720092011201320152017201920212023Application filedDec 21, 2004Patent grantedNov 27, 2012Term endedDec 21, 2024

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