Method and system for controlling irrigation using computed evapotranspiration values
CA 2544528 C · Owner: Hydropoint Data Systems, Inc · Inventors: Marian, Michael
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system (100) for providing irrigation control is provided. The system (100) includes a processor (104) configured to calculate an offset to an evapotranspiration (ET) value and an irrigation system (106) configured to receive the offset from the processor (104) and provide appropriate irrigation adjustment based on the offset. The offset is calculated based on the ET value and the ET value has been previously provided to the irrigation system (106).
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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
- Filed October 29, 2004 and granted May 23, 2017. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 29, 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
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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.