ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,604, issued on Nov. 25, was assigned to Hilti AG (Schaan, Liechtenstein).
"Fire protection element having bimetal" was invented by Andreas Ahlers (Westendorf, Germany) and Sebastian Simon (Buchloe Lindenberg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fire protection element can be used for sealing a combustible body, which penetrates an opening in a wall or ceiling, in the event of a fire. The fire protection element has a belt- shaped carrier from the edge of which tongues protrude transversely to the longitudinal direction of said carrier. The tongues are connected to the belt-shaped carrier, at least a significant proportion of the...