ALEXANDRIA, Va., July 14 -- United States Patent no. 12,680,743, issued on July 14, was assigned to TRANE INTERNATIONAL INC. (Davidson, N.C.).

"Thermal system having hydronic system heat exchange" was invented by Lee R. Cline (West Salem, Wis.), Ronald Maurice Cosby II (La Crosse, Wis.), Brian J Fiegen (La Crosse, Wis.) and Changiz Mirza-Tolouee (Marietta, Ga.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Process fluid from a hydronic system can be directed to an air-to-fluid heat exchanger in a heat exchange relationship with an outdoor heat exchanger of a thermal system connected to the hydronic system. The flow from the hydronic system to the air-to-fluid heat exchanger can be controlled using one or mor...