US Patent Issued to Lennox Industries on Oct. 20 for "Refrigerant leak mitigation using isolation valves" (Texas Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,768,580, issued on Oct. 20, was assigned to Lennox Industries Inc. (Richardson, Texas).

"Refrigerant leak mitigation using isolation valves" was invented by Shailesh Manohar (Coppell, Texas), Eric Berg (The Colony, Texas), Umesh Gokhale (Coppell, Texas), Vijay Sathyamurthi (Frisco, Texas) and Daniel Diaz (Irving, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for performing a pump down cycle to isolate an indoor section of a heating, ventilation, and air conditioning (HVAC) from an indoor section of the HVAC system is disclosed. The method includes transmitting a first control signal to a compressor of the HVAC system. The first control s...