ALEXANDRIA, Va., June 17 -- United States Patent no. 12,314,049, issued on May 27, was assigned to Positec Power Tools (Suzhou) Co. LTD (JiangSu, China).
"Self-moving device and automatic working system thereof" was invented by Fengli Zhao (Jiangsu, China), Xiahong Zha (Jiangsu, China) and Xiaoqing Zhou (Jiangsu, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A self-moving device, moving and working in a working area, includes: a housing; a moving module, mounted to the housing, and configured to drive the housing to move; a main working module, mounted to the housing, and configured to perform a main working task; an auxiliary working module, mounted to the housing, and configured to perform an auxili...