ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,548,829, issued on Feb. 10, was assigned to EVE POWER Co. LTD. (Hubei, China).
"Battery" was invented by Liming Huang (Hubei, China), Liangliang Yue (Hubei, China), Jing Liu (Hubei, China), Yuebin Xu (Hubei, China) and Wei He (Hubei, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a battery including a case and a cap plate. The case is a cylindrical groove structure, a top end face, facing towards the case, of the cap plate is provided with an annular protrusion, the annular protrusion has a central axis coinciding with the central axis of the cap plate, an edge of the top end face of the cap plate is provided with a first welding platf...