ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,482,909, issued on Nov. 25, was assigned to CONTEMPORARY AMPEREX TECHNOLOGY Co. Ltd. (Ningde, China).

"Liquid injection device, battery production line and liquid injection method" was invented by Hongyan Liao (Ningde, China), Jian Zhang (Ningde, China) and Feng Guan (Ningde, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid injection device comprises a liquid injection apparatus comprising: a battery clamp provided with at least one battery accommodating groove having a set position therein, a position adjustment mechanism configured to be capable of adjusting a battery that has been put in the battery accommodating groove and not located a...