Refrigerant tracking/leak detection system and method
CA 2536854 C · Owner: Zero Zone, Inc. · Inventors: Esslinger, Steve
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A refrigeration system includes a mass of refrigerant a reservoir containing a first portion of the mass of refrigerant and a condenser containing a second portion of the mass of refrigerant. A first sensor is positioned to measure a first parameter of the reservoir and output a first signal indicative of the first parameter. A second sensor is positioned to measure a second parameter of the condenser and output a second signal indicative of the second parameter. A processor receives the first signal and the second signal to calculate a weight of missing refrigerant.
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 February 16, 2006 and granted December 2, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 16, 2026.
- 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.