US Patent Issued to Hilti on June 23 for "Composite material and fire protection element for sealing passage openings and joints in components" (German, Swiss Inventors)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,661,539, issued on June 23, was assigned to Hilti AG (Schaan, Liechtenstein).

"Composite material and fire protection element for sealing passage openings and joints in components" was invented by Sebastian Simon (Buchloe Lindenberg, Germany), Andreas Ahlers (Westendorf, Germany), Ramona Prem (Untermeitingen, Germany), Ralf Willner (Tussenhausen, Germany), Sarah Freudling (Augsburg, Germany), Sigrid Andreae (Azmoos, Switzerland), Claudio Wolfer (Say, Switzerland) and Michael Schreiner (Achberg, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A composite material, a method for the production thereof, and a fire protection element containing the co...