Cleaning of reverse osmosis apparatus and method therefor
CA 1313625 C · Owner: Water Pure, Inc. · Inventors: Wathen, Ronald L.; Miller, Steven L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and apparatus for purifying and/or separating fluids including passing such fluid from a feed side of a reverse osmosis unit to the product side of such unit and to an ultimate user during a purifying cycle and recirculating residual fluid back to the feed side in bypass relation to the reverse osmosis unit during a treating cycle to introduce suitable treating fluids into the system for disinfecting and rejuvenating the system.
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 February 16, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 16, 2010.
- 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.