ALEXANDRIA, Va., March 26 -- United States Patent no. 12,261,003, issued on March 25, was assigned to XI' AN SINOFUSE ELECTRIC Co. LTD. (Shaanxi, China).
"Excitation protection device acting step by step with single excitation source" was invented by Xiaoguang Shi (Shaanxi, China), Shaobo Duan (Shaanxi, China), Xin Wang (Shaanxi, China) and Xibin Ge (Shaanxi, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an excitation protection device acting step by step with a single excitation source, including a shell body, an excitation source, impact devices and a conductor, wherein at least two impact devices respectively located in different cavities are provided in the shell body, one side of the ...