ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,443,189, issued on Oct. 14, was assigned to YITUO ELECTRIC Co. LTD. (Foshan, China).

"Control method and control device of cleaning equipment" was invented by Xianggu Man (Guangdong, China), Lin Zhang (Guangdong, China), Jialiu Yi (Guangdong, China), Wenzhi Xie (Guangdong, China), Jianquan Huang (Guangdong, China), Fan Yang (Guangdong, China) and Xiating Chen (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein is a control method and a control device of cleaning equipment, the method including: controlling the cleaning equipment to stop running straight, when a collected first ADC value is greater than a first preset value;...