ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,388,138, issued on Aug. 12, was assigned to CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) Ltd. (Hong Kong).

"Battery pack lower box body, battery pack, apparatus, and assembly method of battery pack lower box body" was invented by Ying Guo (Ningde, China), Zesheng He (Ningde, China) and Ziqiang Wu (Ningde, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "This application relates to the technical field of battery packs, and a battery pack lower box body, a battery pack, an apparatus, and an assembly method of battery pack lower box body are provided. The battery pack lower box body includes a box frame, a base plate, a stiffening beam, and a stiffener....