Baffle and wash trough assembly for granular-media filters
CA 1074237 A · Owner: General Filter Company · Inventors: Young, James C.; Scholten, John J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract, A baffle and wash trough assembly is provided for reducing media loss during high-turbulence washing of granular-media filters. The assembly includes a water collection trough having an overflow weir on at least one side thereof and a lower portion with downwardly and inwardly converging sides, and a baffle supported adjacent one side of the trough; the baffle having a generally concave portion in opposed relation to the trough lower portion, and defining a restricted flow channel for the wash water to the trough. There may also be provided a second baffle supported adjacent the other side of the trough and having a generally concave portion in opposed relation to the other side …
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 March 25, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 25, 1997.
- 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.