ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,409,561, issued on Sept. 9, was assigned to WUHAN CONSTRUCTION ENGINEERING GROUP Co. LTD. (Wuhan, China).

"Multifunctional construction site cleaning robot and cleaning method using same" was invented by Shuai Wang (Wuhan, China), Aixun Wang (Wuhan, China), Xiaolong Yang (Wuhan, China), Wenxiang Li (Wuhan, China), Tong Lu (Wuhan, China), Tingting Zhang (Wuhan, China), Ming You (Wuhan, China), Jianhui Wu (Wuhan, China), Bo Wang (Wuhan, China), Bangfeng Xi (Wuhan, China) and Li Wang (Wuhan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A multifunctional construction site cleaning robot and a cleaning method using the same are provided. The robot i...