ALEXANDRIA, Va., May 12 -- United States Patent no. 12,622,559, issued on May 12, was assigned to Beijing Roborock Technology Co. Ltd. (Beijing).

"Cleaning device, control method therefor, and computer readable storage medium" was invented by Chengzhi Yan (Changping District, China) and Haiqiang Zhao (Changping District, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a cleaning device, a control method therefor, and a computer readable storage medium."

The patent was filed on Aug. 19, 2021, under Application No. 18/552,429.

*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=...