ALEXANDRIA, Va., June 12 -- United States Patent no. 12,296,213, issued on May 13, was assigned to Kidde-Fenwal LLC (Ashland, Mass.).
"Fire suppression system remote monitoring" was invented by Marcin Piech (East Hampton, Conn.) and Thomas Carl Kjellman (Uxbridge, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fire suppression system has a tank unit (40, 42, 44, 46). A tank body has a first port and an interior for storing at least one of fire suppressant and driver gas. A discharge assembly is mounted to the first port and has a discharge valve (50, 52) and a first monitoring switch or sensor (230 240) having a normally closed output (532) and a normally open output (534). A first monitoring system ...