ALEXANDRIA, Va., June 25 -- United States Patent no. 12,338,937, issued on June 24, was assigned to State Grid Anhui Electric Power Research Institute (Anhui, China).

"Robot and patrol method applicable to synchronous patrol of long branch pipeline and main pipeline" was invented by Jiaqing Zhang (Anhui, China), Yi Guo (Anhui, China), Jia Xie (Anhui, China), Liufang Wang (Anhui, China), Taiyun Zhu (Anhui, China), Jian Sun (Anhui, China), Shuping Wang (Anhui, China), Yubiao Huang (Anhui, China), Yang He (Anhui, China), Fengju Shang (Anhui, China), Rui Liu (Anhui, China), Tiantian Tan (Anhui, China), Xin Liu (Anhui, China), Tao Xie (Anhui, China) and Tao Sun (Anhui, China).

According to the abstract* released by the U.S. Patent & Trademark ...