High pressure gate valve
CA 2601408 C · Owner: Young, Lee Edward · Inventors: Young, Lee Edward; Werner, Shawn Michael
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A high-pressure gate valve (10) for control of bulk materials includes a main body (12) with an opening (18) for passing bulk material an upper body, a , slideable blade (42) and lifting structure configured to raise the blade (42) in a planar motion, perpendicular to the primary direction of travel and seal it against the upper body when the blade (42) is extended. An actuating cylinder (52) coupled with a rear edge (76) of the blade (42) extends and retracts the blade (42). A rear portion (16) of the valve is enclosed to protect the rear edge (76) of the blade (42) the actuating cylinder (52), and , the coupler (56) between the two.
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 March 31, 2006 and granted December 18, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 31, 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.