ALEXANDRIA, Va., July 21 -- United States Patent no. 12,688,989, issued on July 21, was assigned to BYD Co. Ltd. (Shenzhen, China).

"Relay" was invented by Jiakun Huang (Shenzhen, China), Tao Lu (Shenzhen, China), Xiaoyong Lei (Shenzhen, China) and Xiangyu Dai (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A relay includes a static contact assembly, a movable contact plate, a static magnet yoke, a movable magnet yoke and a pushing rod assembly. The static magnet yoke and the movable magnet yoke are arranged oppositely. The movable contact plate is mounted at a position on the movable magnet yoke opposite to the static contact assembly. An isolation space is provided between the movable conta...