Apparatus for the recovery of living organisms on the rotary filters of water pumping stations
CA 1257551 A · Owner: Electricite De France Service National · Inventors: Caudron, Lionel; Travade, Francois
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus for the release and recovery of living organisms collected or trapped on the rotary filters of water pumping stations. The apparatus comprises: - on the inside of the filters, a system of two rows of multiple washing jets using water under low pressure, whose nozzles are, directed towards the filter panels so that, the jets of the two rows meet one another and cooperate to form a single liquid stream; - deflectors arranged at radial intervals on the outer face of the filter panels; - on the outside of the filters, a channel shaped like a trough for receiving the washing water and recovering the living organisms, whose opening is oriented towards the said rows of washing jets, the …
Read the whole patent
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 July 18, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 18, 2006.
- 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.