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Expired Canadian patentCanada

Apparatus and method for measuring compositional parameters of a mixture

CA 2568349 C · Owner: Cidra Corporation · Inventors: Gysling, Daniel L.

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Abstract From the Canadian patent

An apparatus for measuring compositional parameters of solid liquid, and gas , components of a mixture flowing in a pipe is presented. The apparatus combines three different compositional measurements (e.g. the speed of light (microwave), the speed of sound (sonar) and mass loading of vibrating tubes , or absorption of radiation) simultaneously to provide a real time multi , parameter, compositional measurement of gas-entrained mixtures.

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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 May 17, 2005 and granted July 16, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 17, 2025.
  • 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.
FiledMay 17, 2005
GrantedJuly 16, 2013
Term endedMay 17, 2025
Patent numberCA 2568349 C
Classification (IPC)G01F1/74 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedMay 17, 2005Patent grantedJuly 16, 2013Term endedMay 17, 2025

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