Flow meter calibration apparatus and method
CA 2873007 C · Owner: Total Meter Services Inc. · Inventors: Swanek, Dennis Jerome
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A valve includes a housing defining an internal pocket and four ports extending from the housing the ports including a first and a second flow port extending from the housing on opposing sides of the pocket an intake port extending from the housing intermediate the first and second flow ports and an outlet port extending from the housing opposite the intake port. A flow control member having a central body is rotatably retained in the pocket of the housing and movable between first and second positions the body having two separate channels extending therethrough each channel extending between first and second channel openings provided in an outer surface of the body and spaced apart at 90 …
Read the whole patent
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 September 12, 2006 and granted March 22, 2016. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 12, 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.
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.