ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,895, issued on Dec. 9, was assigned to Hilti AG (Schaan, Liechtenstein).

"Method for comparing a received beam incident on a laser receiver with a rotating laser beam" was invented by Sasha Lukic (Buchs, Switzerland), Andras Halasi (Feldkirch, Austria), Ian Kearney (Feldkirch, Austria) and Ermin Calkic (Buchs, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for comparing a received beam incident on a laser receiver in a longitudinal arrangement with a rotating laser beam which is moved by a rotating laser in a horizontal position about an axis of rotation, where the laser receiver includes an evaluation unit and a detection field ...