ALEXANDRIA, Va., June 5 -- United States Patent no. 12,278,470, issued on April 15, was assigned to Hilti AG (Schaan, Liechtenstein).

"Line feedthrough" was invented by Huu Toan Nguyen (Eichberg, Switzerland) and Christoph Hakenholt (Feldkirch, Austria).

According to the abstract* released by the U.S. Patent & Trademark Office: "A line feedthrough for guiding at least one line through a component, contains a cladding tube, a fastening element, and at least one sealing element which is in the form of a flexible hose body and arranged within the cladding tube. The hose body is connected, in a first axial end region, to the fastening element. It is possible to displace said hose body between a closed position, in which the hose body at least...