ALEXANDRIA, Va., July 14 -- United States Patent no. 12,681,513, issued on July 14, was assigned to RESIDEO USA LLC (Golden Valley, Minn.).

"System for communication, optimization and demand control for an appliance" was invented by Frederick Hazzard (Plymouth, Minn.), David Heil (Robbinsdale, Minn.) and Ravindra Khosla (Maple Grove, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system and approach for developing a periodic water usage profile and demand for controlling a water heater. A mode may be selected for demand for a certain amount of water of a particular temperature range to be available for use from the water heater. Data on hot water usage may be collected and the usage profile and deman...