ALEXANDRIA, Va., July 21 -- United States Patent no. 12,689,076, issued on July 21, was assigned to CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) Ltd. (Hong Kong).

"Battery heating apparatus and control method thereof, control circuit and power plant" was invented by Zhanliang Li (Ningde, China), Yu Yan (Ningde, China), Zhimin Dan (Ningde, China), Yuanmiao Zhao (Ningde, China), Xinwei Chen (Ningde, China), Jinfeng Gao (Ningde, China) and Xiaojian Huang (Ningde, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A battery heating apparatus includes a voltage transformation module and a control module. The voltage transformation module includes a first voltage transformation circuit configured to connect a cha...