Sleeve-type fluid flow diverter
CA 1188198 A · Owner: Water Services Of America Inc. · Inventors: Cleaver, Laird C.; Baron, Walter J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A fluid flow diverter includes a housing and a rotatable sleeve mounted for rotation on an axle and spaced inwardly from the housing walls . The sleeve and housing include ports which are, selectively positioned in registered or unregistered relationship, depending upon which of two operative positions the sleeve assumes. The sleeve forms a single internal chamber through which fluid always flows in the same direction in both operative positions of the sleeve. The space between the sleeve and housing also forms a single chamber through which fluid always flows in the same direction in both operative positions of the sleeve. The unidirectional fluid flow through the sleeve itself is opposite …
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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 June 4, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 4, 2002.
- 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.