ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,700,620, issued on Aug. 4, was assigned to Nanjing Chervon Industry Co. Ltd. (Nanjing, China).
"Battery pack, power tool system, and charging system" was invented by Dong Yang (Nanjing, China), Zhijun Dong (Nanjing, China), Guiwu Hu (Nanjing, China), Dezhong Yang (Nanjing, China), Tianxiao Xu (Nanjing, China) and Huaishu Wang (Nanjing, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A battery pack includes a housing of a first material, a cell assembly, and a cell support of a second material. The cell assembly is disposed in the housing and includes a plurality of cell units. The cell unit includes a positive electrode of the cell unit and a negati...