ALEXANDRIA, Va., May 26 -- United States Patent no. 12,637,325, issued on May 26, was assigned to Otis Elevator Co. (Farmington, Conn.).

"Sensor-based shutdown detection of elevator system" was invented by Lindsay Wos (Florence, S.C.), Nikola Trcka (West Hartford, Conn.), Sally Day Mahoney (New Hartford, Conn.), Leslie Lamontagne (Prospect, Conn.) and Sandeep Sudi (Farmington, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An elevator system includes an elevator car configured to travel in a hoistway, the elevator car including an elevator car door; a controller configured to control motion of the elevator car; at least one sensor configured to sense an operating condition of the elevator system; and a...