Liquid waste treatment system
CA 1332006 C · Owner: W. & P. Investments, Inc. · Inventors: Decker, Clifford J.; Werner, Roy H.; Galgon, Randy A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of treating and progressively densifying liquid waste. It comprises thoroughly mixing and aerating by a continuous mixer and/or aerating raw water and chemical treating materials discharging the, resulting mixture downwardly into a reaction compartment thence, drawing the resulting material upwardly by means of an impeller and gravity flow, then allowing a portion of the resulting denser sludge to descend downwardly by gravity into a floc tunnel thence in a, horizontal portion, further densifying and separating takes place. The remaining portion is directed horizontally against inclined closely, spaced parallel plates to clear the resulting fines mixture. Thereafter there is still …
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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 September 13, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 13, 2011.
- 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.