ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,738,592, issued on Sept. 15, was assigned to CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) Ltd. (Hong Kong).
"Pressure relief apparatus, battery cell, battery, and electrical device" was invented by Mingguang Gu (Ningde, China), Xiaobo Chen (Ningde, China), Yao Li (Ningde, China), Xuehui Wang (Ningde, China) and Yucang Hao (Ningde, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pressure relief apparatus includes a pressure relief body and a plurality of score grooves. The pressure relief body includes a pressure relief portion, and the pressure relief portion has a first surface and a second surface opposite to each other in a thickness direction...