ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,951, issued on June 17.
"Residential HVAC safety control" was invented by Rodney Craig Blincoe (Highlands Ranch, Colo.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A residential HVAC safety control to effectuate a timely manually selectable portable and remote wireless shutdown of an existing residential HVAC system, the existing residential HVAC system receives electrical power from an electrical utility with alternating current having a neutral wire leg and a hot wire leg, the residential HVAC safety control includes a power supply, a radio frequency receiver, and control circuitry that monitors for a first event marker signal results in the con...