ALEXANDRIA, Va., July 3 -- United States Patent no. 12,345,456, issued on July 1, was assigned to Heatcraft Refrigeration Products LLC (Stone Mountain, Ga.).

"Refrigeration system with emergency cooling using dedicated compressor" was invented by Douglas Cole (Columbus, Ga.) and Steve Pfister (Dunwoody, Ga.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A refrigeration system includes a high-pressure side with a gas cooler configured, while the refrigeration system is powered by a main power supply and is operating to provide refrigeration, to cool refrigerant on the high-pressure side. The refrigeration system includes a low-pressure side with one or more evaporators. The refrigeration system includes an au...