Pressure vessel with air bubble ejection system
CA 2199283 C · Owner: Tseo, Gus G. · Inventors: Tseo, Gus G.; Butterfield, Robert D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An air injection system usable with a pressure vessel (36) for a pumping segment (10) for fluid flow and for incorporation into a fluid delivery system. The air ejection system includes a vane (64) positioned directly in the fluid flow path to redirect flow into the pressure vessel to wash out air bubbles that may accumulate there. In one aspect the vane is shaped to , provide a redirected flow to wash the entire internal area of the pressure vessel. In another aspect, the vane (64) is shaped so that when the pressure vessel (36) is loaded by a pressure sensor the redirected flow path has a , uniform cross-sectional area throughout its entire length.
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 8, 1995 and granted November 13, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 8, 2015.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 8, 2017.
- 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.