ALEXANDRIA, Va., May 26 -- United States Patent no. 12,637,327, issued on May 26, was assigned to Otis Elevator Co. (Farmington, Conn.).

"Condition detecting method and device for surface insulating layer of elevator traction belt" was invented by Xuegang Zhou (Shanghai), ZhenXing Peng (Shanghai) and Di Wu (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "A condition detecting method and device for a surface insulation layer of an elevator traction belt. The condition detecting method includes: positioning a detecting component adjacent to the surface insulation layer of the elevator traction belt; moving the elevator traction belt relative to the detecting component, so that the detecting component s...