ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,330, issued on July 21, was assigned to Tyco Fire & Security GmbH (Neuhausen am Rheinfall, Switzerland) and Johnson Controls Industries SAS (Carquefou, France).

"Expansion valve control system" was invented by Damien Jean Daniel Arnou (La Seguiniere, France), Francois Charles Andre Clunet (La Chapelle-sur-Erdre, France), Paul Eric Le Sausse (Nantes, France) and Laurent Claude Eric Thibaud (Mouzillon, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vapor compression system includes a heat exchanger configured to facilitate heat transfer between a refrigerant and a conditioning fluid. The vapor compression system also includes an expansion val...