Apparatus for treating air containing hydrogen gas
CA 2249581 C · Owner: Mitsubishi Heavy Industries, Ltd. · Inventors: Ogino, Masao
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus for treating air containing hydrogen gas for use in an area such as an interior of a nuclear reactor containment vessel where hydrogen gas is generated an apt to be accumulated, so as to treat rapidly and safely the hydrogen. The apparatus comprises a housing provided with an air intake port and an exhaust port, which defines a gas passage therein. A catalyst bed is disposed in the gas passage, and a heater is disposed in or close to the catalyst, bed. The catalyst bed is composed of plate-type catalysts or honeycomb-type catalysts, and is activated by being heated with an electric heater. Hydrogen and, oxygen in the air containing hydrogen gas come into contact with the …
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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 February 5, 1998 and granted April 1, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 5, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 5, 2020.
- 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.