ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,321, issued on July 21, was assigned to Rheem Manufacturing Co. (Atlanta).

"Leak detection and automated shutoff systems using water-soluble materials" was invented by Saman Beyhaghi (Opelika, Ala.), Derek Ryan Bindbeutel (Atlanta), Atilhan Manay (Roswell, Ga.), Christopher Mark Hayden (Shelton, Conn.), Harsha Satyanarayana (Norwalk, Conn.), Carl Francis Demolder (Encinitas, Calif.) and Axel Hornickel (Hauts-de-seine, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure is directed to a mechanical and powerless leak detection and shutoff system that may be used in any commercially available water heater, e.g., both gas and el...