ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,409,519, issued on Sept. 9, was assigned to CHINA CONSTRUCTION THIRD ENGINEERING BUREAU GROUP Co. LTD (Wuhan, China), CHINA CONSTRUCTION THIRD BUREAU FIRST ENGINEERING Co. LTD. (Wuhan, China) and CHINA CONSTRUCTION THIRD BUREAU FIRST ENGINEERING & MEP Co. LTD. (Shenzhen, China).

"Intelligent machining line for pipe sections and method for machining same" was invented by Jiangtao Wen (Hubei, China), Yong He (Hubei, China), Min Wei (Hubei, China), Bo Liu (Hubei, China), Pengfei Dang (Hubei, China), Zhiheng Zhang (Hubei, China), Hongbin Li (Hubei, China), Jinyou Huang (Hubei, China) and Yicai Zhang (Hubei, China).

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