ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,444,806, issued on Oct. 14, was assigned to Lawnix Technology (Nanjing) Co. Ltd. (Nanjing, China).
"Tool battery pack" was invented by Xiaoke Zou (Jiangsu, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of the present application relate to the technical field of energy. A tool battery pack is provided. The tool battery pack includes: a waterproof layer, a battery cell holder, and a waterproof member, where the waterproof member is arranged at a second end of the battery cell holder and has a first end face away from the battery cell holder and a second end face closer to the battery cell holder; at least part of the waterproof layer is...