Novel cells and electrodes for electrocoagulation treatment of wastewater
CA 2430424 A1 · Owner: Slack, Harry M. · Inventors: Tipton, Gary A.; Slack, Harry M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus for treating wastewater comprising an electrocoagulation cell (100) including holding and isolating members (7) a top cell cover (17), a , plurality of electrode plates (E1 E8) inserted a sleeve (18) made of nonconductive material, thereby the electrode plate sets (11 12) offer minimum , resistance to the incoming liquid. Such a cell (100) including a member to break the laminar liquid flow and to maintain a turbulent state all along said cell (100). A set of plates (11, 12) connected in parallel or in series wherein said plates (11, 12) have connections arranged such that it allows the electrical current be indistinctively interrupted and reversed. Such a plate set (11, …
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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 November 29, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 29, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 29, 2023.
- 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.