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Expired Canadian patentCanada

Liquid gas vaporization and measurement system and method

CA 2605119 C · Owner: Valtronics, Inc. · Inventors: Thompson, Kenneth O.; Grehold, Walter F.

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Abstract From the Canadian patent

A liquid gas vaporization and measurement system and associated method, for , efficiently vaporizing a continuous sample of liquid gas such as liquid , natural gas (LNG), and accurately determining the constituent components of the gas. A constant flow of liquid gas sampled from a mass storage device is maintained in a vaporizing device. Within the vaporizing device the liquid gas is flash vaporized within heated narrow tubing. The liquid gas is converted to vapor very quickly as it enters one or more independently operating vaporizer stages within the vaporizing device. The vapor gas is provided to a measuring instrument such as a chromatograph and the individual constituent …

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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 February 22, 2006 and granted December 16, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 22, 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.
FiledFebruary 22, 2006
GrantedDecember 16, 2014
Term endedFebruary 22, 2026
Patent numberCA 2605119 C
Classification (IPC)G01N1/00 +2 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedFeb 22, 2006Patent grantedDec 16, 2014Term endedFeb 22, 2026

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