Method and apparatus for ozone generation
CA 2031201 A1 · Owner: Jensen, Lonald H. · Inventors: Jensen, Lonald H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An ozone generator (14) utilizes one or more cylindrical anodes (66) having disposed centrally therein an elongated cylindrical dielectric tube (58). The dielectric tube (58) is filled with an inert gas at low pressure and contains at a first end thereof beyond the encirclement of the anode (66) a relatively short electrode. In a preferred embodiment, the electrode takes the shape of a cone having the small end (102) thereof coupled through the first end of the dielectric envelope (58) to a source of high energy alternating electric power. The large end of the cone is open and directed toward the far end of the dielectric envelope (58). Electrons are emitted from the electrode and focused …
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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 23, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 23, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 23, 2012.
- 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.