ALEXANDRIA, Va., June 16 -- United States Patent no. 12,654,985, issued on June 16, was assigned to Otis Elevator Co. (Farmington, Conn.).
"Avoiding entrapment in an elevator" was invented by Peter Herkel (Berlin), Axel Pfeffer (Berlin) and Alexander Paetow (Berlin).
According to the abstract* released by the U.S. Patent & Trademark Office: "An elevator system includes an elevator car, an elevator controller, and a safety controller, connected to a plurality of safety devices arranged to monitor the elevator system. The safety controller is configured to receive a signal in response to a change of state of any of the safety devices, and to determine a condition of the elevator system in response to the change of state of one or more of th...