ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,410,625, issued on Sept. 9, was assigned to INVENTIO AG (Hergiswil, Switzerland).

"Building site device having a climbing formwork and an elevator system" was invented by Oliver Simmonds (Lucerne, Switzerland), Stefan Weber (Niederwil, Switzerland), Christian Studer (Kriens, Switzerland) and Gabriele Bizzozero (Gisikon, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A building site device includes a climbing formwork platform for the floor-by-floor production of concreting portions of a building core having at least one elevator shaft. An elevator system has an elevator machine platform vertically movable in the elevator shaft. In order to ...