ALEXANDRIA, Va., July 7 -- United States Patent no. 12,674,597, issued on July 7, was assigned to Tyco Fire & Security GmbH (Neuhausen am Rheinfall, Switzerland).
"Refrigerant detection and control of HVAC system" was invented by Shaun B. Atchison (Wichita, Kan.) and Brian D. Rigg (Douglass, Kan.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A heating, ventilation, and/or air conditioning (HVAC) system includes a heat exchanger configured to exchange heat between a refrigerant and an air flow, a blower configured to induce the air flow across the heat exchanger, and a control board configured to receive an input indicative of a presence of refrigerant external to the heat exchanger and adjust operation of t...