ALEXANDRIA, Va., June 5 -- United States Patent no. 12,274,410, issued on April 15, was assigned to Beijing Roborock Technology Co. Ltd. (Beijing).
"Cleaner hanger assembly" was invented by Tao Qin (Beijing), Liang Qiao (Beijing), Peng Lei (Beijing) and Minghai Liu (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides, a cleaner hanger assembly, including a hanger, a charging bottom plate, an accessory frame, a hanger column and a base. The charging bottom plate can be used in cooperation with the hanger, so that a charging operation can be performed while the cleaner is hung on the hanger whether the cleaner is in a hanging state or in a floor-standing state, and the chargi...