Gas pressure regulator having burn-out protection system
CA 2264452 C · Owner: The Esab Group, Inc. · Inventors: Diehl, Gregory William
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A gas pressure reducing regulator which includes a flexible diaphragm which is biased by a spring so as to control the opening of the valve of the regulator and thus the delivery pressure of the gas being regulated. The regulator includes a system for effectively containing an accidental oxygen fire or the like, within the body of the regulator and protecting the internal components from ignition. The system includes a plunger which resides in an axial bore in the regulator body and shields the diaphragm from hot combustion products and plunger-retaining features which prevent the plunger from being displaced from its axial bore. Also the regulator has provision for venting the interior of …
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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 5, 1999 and granted May 21, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 5, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 5, 2021.
- 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.