Isolation valve with valve in drain
CA 2539958 C · Owner: Reck, Michael E. · Inventors: Reck, Michael E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A fluid isolation valve having a valve body with a first fluid flow port a , second fluid flow port and a fluid drain port with a valve in the fluid drain port. The valve body also defines a fluid flow channel a drain flow channel , and a valve portion wherein the valve portion is disposed in the valve body to be communicated with the first fluid flow port the second fluid flow port , and the fluid drain port. A flow diversion device is also provided and is disposed within the valve portion. The flow diversion device is configurable between a first configuration and a second configuration such that when the , flow diversion device is in the first configuration the first fluid flow port …
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 23, 2004 and granted August 20, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 23, 2024.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 23, 2026.
- 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.