ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,230,813, issued on Feb. 18, was assigned to CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) Ltd. (Hong Kong).
"Top cap assembly, battery, and electrical device" was invented by Yukun Wu (Ningde, China), Xiaoping Zhang (Ningde, China) and Wenzhu Xu (Ningde, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A top cap assembly includes a top cap plate, a mounting piece, and a protection film. The top cap plate includes an inner side and an outer side disposed opposite to each other along a thickness direction of the top cap plate, the inner side and the outer side are spaced apart from each other to form a receptacle in between, and the receptacle communica...