ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,553, issued on Nov. 25, was assigned to Volvo Car Corp. (Gothenburg, Sweden).

"System and method for monitoring wear of braking frictional pad of motor vehicle" was invented by Jiangliu Su (Shanghai) and Yongxing Jin (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method and a system for monitoring wear of a braking frictional pad of a vehicle including a hydraulic brake device acting on a wheel thereof, the hydraulic brake device having a brake disc rotatable with the wheel and a braking frictional pad configured to be non-rotatable relative to the wheel and be linearly movable parallel to a rotational axis of the wheel, the system inclu...