ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,381,290, issued on Aug. 5, was assigned to CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) Ltd. (Hong Kong).

"Battery cell, manufacturing method and manufacturing apparatus of same, battery, and electric apparatus" was invented by Zelin Jin (Fujian, China), Wei Chen (Fujian, China), Tong Pei (Fujian, China), Dongyang Shi (Fujian, China) and Chuan Li (Fujian, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A battery cell may include: a housing, provided with a first opening at one end along a first direction; a first end cover, configured to seal the first opening, where the first end cover includes an end cover body and a first electrode terminal provid...