ALEXANDRIA, Va., March 17 -- United States Patent no. 12,580,173, issued on March 17, was assigned to CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) Ltd. (Hong Kong).

"Electrode plate rolling apparatus and electrode plate rolling method" was invented by Zhiyang Wu (Ningde, China), Wang Zhang (Ningde, China), Shisong Li (Ningde, China), Chao Guo (Ningde, China) and Chao Yang (Ningde, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "This application discloses an electrode plate rolling apparatus and an electrode plate rolling method that are configured to roll an electrode plate. The electrode plate includes a coated region and an uncoated region. The electrode plate rolling apparatus includes a roller group,...