Pressure compensating device
CA 1298756 C · Owner: Greens Industries Limited · Inventors: Green, John W.; Moran, Ian
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides a pressure compensating device through which two separate fluid streams flow separated by a diaphragm. The flow of fluid on one side if the diaphragm is unimpeded whilst flow on the other side of the diaphragm is controlled as a result of movement of the diaphragm caused by pressure differentials.
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
- Granted April 14, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 14, 2009.
- 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.