ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,560,943, issued on Feb. 24, was assigned to City University of Hong Kong (Hong Kong, Hong Kong).

"Route network planning for drone logistics in urban environment" was invented by Lishuai Li (Hong Kong, Hong Kong), Fang He (Wuhan, China), Lei Zhang (Hangzhou, China) and Xinyu He (Hong Kong, Hong Kong).

According to the abstract* released by the U.S. Patent & Trademark Office: "The UAV system has one or more UAVs and an operating device. The operating device is connected to the UAVs through wireless communication. The management method includes: generating a plurality of position cells; prioritizing a plurality of OD pairs and generates a delivery sequence; output one or more route inf...