Apparatus for gas wet treatment
CA 1299997 C · Owner: Michimae, Kiyoharu · Inventors: Michimae, Kiyoharu; Amamiya, Akira; Onogi, Shozo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus for gas-wet treatment, which includes at least one perforated plate for countercurrent contacting of vapour and liquid within the apparatus. There is a multiplicity of round holes in said plate for distribution of vapour through the liquid each of the, round holes having a cross-sectional area larger than about 1cm2 and a length of from about 2cm to about 10cm the, central axes of at least some of the round holes having portions which meet the perforated plate at an acute angle. The holes are dimensioned so that under normal flow conditions, the liquid flows through each of the holes in an annular pipe-shaped stream having a rippled inner surface to thereby form a vapour …
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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
- Granted May 5, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 5, 2009.
- 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.