ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,738,568, issued on Sept. 15, was assigned to CALB Group Co. Ltd. (Jiangsu, China).

"Battery pack and electrical device" was invented by Deyong Cheng (Changzhou, China), Jianpeng Wang (Changzhou, China) and Bowei Xu (Changzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure relates to the technical field of batteries, and in particular to a battery pack and an electrical device. The battery pack includes: a plurality of battery cells, any of which is provided with a fragile portion; and a spray pipeline, which is arranged on one side of the battery cell where the fragile portion is arranged. The spray pipeline is provided with an in...