ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,585, issued on Jan. 13, was assigned to Fraunhofer-Gesellschaft zur Forderung der angewandten Forschung e.V. (Munich).

"Triggering element for a fire protection system, fire protection element equipped therewith, and method for detecting the triggering of a fire protection element" was invented by Wolfgang Schade (Goslar, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A triggering element for a fire protection system may be provided, the triggering element comprising at least one rupture body, which includes an optical waveguide, into which optical waveguide at least one predetermined breaking point is introduced. A sprinkler head or a smoke...