ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,418,073, issued on Sept. 16, was assigned to CALB Co. Ltd. (Jiangsu, China).
"Battery and battery apparatus" was invented by Jiuling Xu (Changzhou, China), Jiyu Bi (Changzhou, China) and Lulu Zhang (Changzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A battery and a battery apparatus are provided. The battery includes a cover plate, an explosion-proof valve arranged on the cover plate, and a protective patch arranged on an outer side of the cover plate. A sealed chamber is formed between the explosion-proof valve and the protective patch, and a notch penetrating through the protective patch is arranged on the protective patch in a thickness...