Level measurement for grease separators
CA 2428940 A1 · Owner: Mazurek, Niel · Inventors: Holloway, B. Scott; Mazurek, Niel; Tevis, Charles
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to apparatus for removing grease from an effluent, stream containing grease and water. A separation tank defines a separation chamber. An effluent inlet connected with the separation tank permits flow of the effluent stream, into the chamber to form a body of effluent in the separation chamber. A grease depth, level sensor is used in determining the amount of grease in the body of effluent. The interceptor may be queried remotely to check its status. In one embodiment, an output signal indicative of the amount of grease is transmitted over a telephone line, to a telephone or computer or other remote station. Alternatively the output , signal is, …
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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 May 20, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 20, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 20, 2025.
- 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.