ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,157, issued on April 14, was assigned to XUZHOU XCMG EXCAVATOR MACHINERY Co. LTD (Xuzhou, China).

"Method for establishing electronic fence for excavator" was invented by Bin Zhang (Xuzhou, China), Zhike Song (Xuzhou, China), Jiawen Geng (Xuzhou, China), Dongdong Niu (Xuzhou, China), Xiangwei Lin (Xuzhou, China), Dunkun Wang (Xuzhou, China), Zecheng Xing (Xuzhou, China), Hongmin Wei (Xuzhou, China) and Xuefeng Yin (Xuzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a method for establishing an electronic fence for an excavator, wherein the excavator includes a frame, a slewing platform rotatably mounted o...