ALEXANDRIA, Va., June 17 -- United States Patent no. 12,311,413, issued on May 27, was assigned to BEIJING ROBOROCK TECHNOLOGY Co. LTD. (Beijing).

"Base station and cleaning robot system" was invented by Xing Li (Beijing), Chuanlin Duan (Beijing) and Pan Cheng (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to the field of smart home technologies, and proposes a base station and a cleaning robot system. The base station is configured to clean a cleaning system of a cleaning robot, and includes a base station body and a cleaning component. The base station body includes a cleaning groove, and the cleaning component is movably disposed on the base station body. The cleani...