ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,504,209, issued on Dec. 23, was assigned to THERMO KING LLC (Minneapolis).

"Refrigeration system and method of operating a refrigeration system" was invented by Wayne Donnellan (Galway, Ireland), Michael Greene (Galway, Ireland) and Gurudath Nayak Hebri (Karnataka, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "A refrigeration system comprising a controller is provided. The controller is configured to: determine one or more parameters of the refrigeration system; determine whether a first mode selection condition has been met and/or whether a second mode selection condition has been met based on the determined one or more parameters; select a firs...