US Patent Issued to Trane Technologies Life Sciences on Feb. 18 for "System and method of hot gas defrost control for multistage cascade refrigeration system" (Ohio, Pennsylvania, West Virginia Inventors)

ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,228,318, issued on Feb. 18, was assigned to Trane Technologies Life Sciences LLC (Davidson, N.C.).

"System and method of hot gas defrost control for multistage cascade refrigeration system" was invented by David Scott Farrar (Uniondale, Pa.), James S. Vuksic (Marietta, Ohio), Trace Lydick (Athens, Ohio), Thomas Schoeppner (Marietta, Ohio) and Alex Roberts (Parkersburg, W.va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a system and method for an improved multistage, cascade refrigeration system using hot gas defrost to rid the evaporator of ice build-up which accumulates over time, while the air in the evaporator enclosu...