Pressure reducing regulator for oxygen service
CA 1197752 A · Owner: Union Carbide Corporation · Inventors: Gusky, Frank J.; Acomb, Byron H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract, The pressure reducing regulator of the present invention is designed for oxygen service to prevent oxygen burn through. The regulator includes a diaphragm assembly which uses a metallic shield to protect the diaphragm from hot gases or combustibles issuing from valve chamber upstream of the diaphragm chamber.
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 December 10, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 10, 2002.
- 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.