ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,527,451, issued on Jan. 20, was assigned to Beijing Roborock Technology Co. Ltd. (Beijing).
"Smart cleaning device" was invented by Xiaoming Liu (Beijing) and Erdong Gu (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a smart cleaning device, including: a machine body and a cleaning assembly detachably connected to the machine body in a forward direction or a backward direction of the machine body, wherein the cleaning assembly includes a liquid containing box, a connecting plate, and a soft cleaning body which are arranged in a stacked mode; the liquid containing box is detachably connected to the machine body i...