Pump control system and method
CA 2731482 C · Owner: Sta-Rite Industries, Inc. · Inventors: Koehl, Robert M.
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 a pump control system. One or more embodiments of the invention include a pump controller that can perform a self-calibration procedure can provide precise motor speed control can provide a limp mode before shutting down the motor when system parameters are exceeded and/or fault conditions occur can defect fault conditions, and can store fault conditions for later retrieval.
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
- Filed December 8, 2004 and granted February 28, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 8, 2024.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.