Method and apparatus for controlling the temperature of a liquid
CA 1295035 C · Owner: Polson, Jerry H. · Inventors: Polson, Jerry H.; Sperling, Jac K.; Everest, D. Clark, Iii
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A liquid temperature controlling method and apparatus are provided in which on/off valves are utilized. In the case in which the liquid is water rela-, tively hot water is supplied to a first set of the on/off valves while relatively cold water is supplied to a second set of the on/off valves. The on/off valves are housed in a compact manifold assembly having a number of channels through which water flows to and from the valves. Each of the valves communicates with an orifice, with each orifice communicating with the hot water valves being of a different size to produce binary flow patterns of water exiting the hot water associated orifices and valves. Similarly each of the, orifices …
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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 January 28, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 28, 2009.
- 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.