Electronic temperature control system
CA 1311231 C · Owner: American Standard Inc. · Inventors: Bergmann, Konrad
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An electronic temperature control unit for a mixing valve for plumbing fixtures is disclosed. The loop gain in the control unit is at least approximately inversely proportional to the instantaneous slope of the characteristic curve of the mixing valve, and the slope of the characteristic curve is determined from the instantaneous conditions of valve opening hot and cold, supply temperatures and mix temperatures.
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 December 8, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 8, 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.