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Expired Canadian patentCanada

Apparatus and method for sampling flowing fluids and slurries

CA 1086526 A · Owner: Exxon Production Research Company · Inventors: Gruesbeck, Clay, Jr.; Stokley, Charles O.; Muecke, Thomas W.

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A method and apparatus for sampling the composition of fluid flowing through a conduit which includes a sampling conduit having an inlet disposed within said conduit and transverse to the axis of fluid flow in said conduit and an outlet connected to said conduit downstream of said inlet, and means for measuring the composition of fluid flowing through the sampling conduit. The sampling conduit is sized in relation to the conduit to cause isokinetic withdrawal of fluid from said conduit into said sampling conduit.

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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 September 30, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 30, 1997.
  • 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 8, 1979
GrantedSeptember 30, 1980
Term endedSeptember 30, 1997
Patent numberCA 1086526 A
Classification (IPC)G01N1/20 +1 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Application filedMay 8, 1979Patent grantedSep 30, 1980Term endedSep 30, 1997

Sources & verification

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