ALEXANDRIA, Va., July 15 -- United States Patent no. 12,663,101, issued on June 23, was assigned to Hilti AG (Schaan, Liechtenstein).
"Device for routing lines, pipes, and/or cables through a building structure part" was invented by Ulf Mordau (Buchloe, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A device for routing lines, pipes, and/or cables through a building part, contains a housing having a housing wall. The housing has an axial passage channel that is delimited by the housing wall and extends in the longitudinal direction, and has in each case an opening at opposite ends. At least two sealing arrangements are each provided in the housing interior, are designed for sealing the passage channe...