ALEXANDRIA, Va., July 7 -- United States Patent no. 12,674,608, issued on July 7, was assigned to Hill Phoenix Inc. (Conyers, Ga.).
"Refrigeration systems with a first compressor system and a second compressor system" was invented by Peter J. Ferretti (Monroe, Ga.), Victor N. Votary (Proton Station, Canada) and Jeffrey Newel (Snellville, Ga.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A refrigeration system includes a first compressor system, a second compressor system, a first conduit, a heat exchanger, a second conduit, and a third conduit. The first compressor system includes a plurality of first compressors. The second compressor system includes a plurality of second compressors. The first conduit is ...