US Patent Issued to CALB Group on June 9 for "Cylindrical battery" (Chinese Inventors)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,651,807, issued on June 9, was assigned to CALB Group Co. Ltd. (Jiangsu, China).

"Cylindrical battery" was invented by Binwei Qi (Luoyang, China), Yawei Wang (Changzhou, China), Qianqian Sun (Changzhou, China) and Lulu Zhang (Changzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure relates to the technical field of batteries and provides a cylindrical battery including a winding cell. The winding cell includes a winding cell body and a first tab extending from one side of the winding cell body. The winding cell body is wound to form a central hole. In a radial direction of the central hole, the first tab includes a plurality of sing...