The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 30, 2025
Filed:
Jun. 08, 2022
Johnson Controls Tyco Ip Holdings Llp, Milwaukee, WI (US);
Mason Sloan Dewald, Wichita, KS (US);
Andrew Michael Boyd, Wichita, KS (US);
Theresa Thy Nguyen Gillette, Wichita, KS (US);
D Gamage Methmini Umayangana Maheshwari Sumanasekara, Wichita, KS (US);
TYCO FIRE & SECURITY GMBH, Neuhausen am Rheinfall, CH;
Abstract
A heating, ventilation, and/or air conditioning (HVAC) system includes auxiliary control circuitry configured to communicatively couple to a thermostat of the HVAC system. The auxiliary control circuitry is configured to receive a control signal from the thermostat and block subsequent transmission of the control signal in response to receipt of data indicative of a detected refrigerant external to a refrigerant circuit of the HVAC system.