Method and apparatus for measuring water in crude oil
CA 1263254 C · Owner: Johnson, Irvin D. · Inventors: Johnson, Irvin D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and apparatus for measuring the amount of fluids in a two-fluid mixture flowing in a conduit wherein the fluids have different electrical conductivities. The apparatus includes a predetermined grid pattern of a first plurality of horizontal and a second plurality of vertical wires all under tension wherein the vertical wires are spaced a predetermined distance from the horizontal wires. When the lower conductivity fluid, such as water, occupies the predetermined space at the intersection of a vertical and horizontal wire, an electrical signal is generated. The electrical signals generated from each predetermined spacing having the lower conductivity fluid there between are counted …
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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 November 28, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 28, 2006.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
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.