ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,140, issued on Dec. 2, was assigned to Otis Elevator Co. (Farmington, Conn.).

"Safety brake trigger" was invented by Javier Munoz Sotoca (Madrid).

According to the abstract* released by the U.S. Patent & Trademark Office: "An elevator system (1, 1') includes a portable emergency stop switch (2, 2'), arranged to transmit a signal (4) when activated, a signal receiver (6, 6'), arranged to receive the signal (4, 4') transmitted by the portable emergency stop switch (2, 2'); and an elevator safety actuator (8, 8') and an elevator safety brake (10, 10'). In response to receipt of the signal (4, 4'), the signal receiver (6, 6') is arranged to trigger the elevator safety actuator (8, 8')...