Cooling mechanism for refrigeration systems
CA 2446025 A1 · Owner: Letourneau, Bruno · Inventors: Letourneau, Bruno; Lalumiere, Rejean
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An evaporator is provided having first and second independent evaporator coils. The, evaporator is for use in a refrigerated display case either open or closed, having a display length. Each of the evaporator coils is co-extensive along the display length. The evaporator, coils are alternately defrosted and cooled in such a manner as to maintain a substantially, constant cooling temperature throughout the refrigerated display case even , during a defrost, cycle. An independent set of cooling fins is mounted to each of the evaporator coils for, absorbing heat when a refrigerant either liquid or gas, is circulated and evaporates in the, evaporator coils, thus cooling the display case. A …
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 October 22, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 22, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 22, 2025.
- 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.