ALEXANDRIA, Va., July 7 -- United States Patent no. 12,676,468, issued on July 7, was assigned to ALTENERGY POWER SYSTEM INC. (Jiaxing, China).

"Shutdown device control method and apparatus, and shutdown device" was invented by Dongming Zhou (Jiaxing, China), Yuhao Luo (Jiaxing, China), Xiao Lu (Jiaxing, China), Fei Shen (Jiaxing, China) and Xuan Zhu (Jiaxing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method and an apparatus for controlling a shutoff device, and a shutoff device. The shutoff device includes N main switching transistors and N bypass switching transistors. The method includes: controlling the N main switching transistors to be turned on after receiving a heartbeat signal; determin...