ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,528,316, issued on Jan. 20, was assigned to Volta Charging LLC (San Francisco).

"System and method for automatic treadwear classification" was invented by Ionel-Alexandru Hosu (Bucharest, Romania), David J. Klein (Los Altos, Calif.) and Bradford T. Crist (San Francisco).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method are provided for automatically alerting drivers to potential tread ware problems to enable them to avoid the danger hazards associated with worn treads. A tread-evaluation station is placed at a location where images of tires may be captured. Images of tires are recorded when a vehicle is at or near the tread-evaluation st...