Expired Canadian patentCanada
Methods for metering two-phase flow
CA 1283559 C · Owner: Chevron Research And Technology Company · Inventors: Nguyen, Tanh V.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for metering two phase flow wherein the successive accelerational pressure drops across two orifice plates installed in series are correlated to obtain one or more flowrate parameters.
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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 April 30, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 30, 2008.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 23, 1986
GrantedApril 30, 1991
Term endedApril 30, 2008
Patent numberCA 1283559 C
Classification (IPC)G01F1/76 +1 more
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.