ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,725,404, issued on Sept. 1, was assigned to CHINA RAILWAY DESIGN Corp. (Tianjin, China).

"Method and system for detecting railway foreign object intrusion, device and medium" was invented by Guiwei Liu (Tianjin, China), Fei Wang (Tianjin, China), Qingguo Cui (Tianjin, China), Zelian Chen (Tianjin, China), Yang Tian (Tianjin, China), Xuesong Fu (Tianjin, China), Chen Zhang (Tianjin, China), Qihao Sun (Tianjin, China), Xuanyu Zhang (Tianjin, China), Guangxue Ren (Tianjin, China) and Yajun Lang (Tianjin, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method and a system for detecting railway foreign object intrusion, and a device and a medium can i...