ALEXANDRIA, Va., June 16 -- United States Patent no. 12,656,014, issued on June 16, was assigned to BELIMO HOLDING AG (Hinwil, Switzerland).

"Method of operating an HVAC system" was invented by Stefan Mischler (Wald, Switzerland), Ronald Aeberhard (Grut, Switzerland) and Volkher Scholz (Zurich, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of operating an HVAC system that includes a thermal energy source and a thermal energy transfer device, using a flow regulating device arranged to regulate a flow rate of a fluid between the thermal energy source and the thermal energy transfer device, the method including determining a supply temperature of the fluid, determining a return temperature...