Beijing, June 2 -- Caihong Drone Technology Co Ltd has obtained a patent for aircraft fuel tank sediment discharging tool. This invention was developed by Zhang Guolei, Gan Fajin, Qiu Yang, Yang Fan and Duan Xujun. The patent application number is CN202323613417U 20231228. The patent publication number is CN221776050 (U). Int..

Alexandria, June 2 -- U.S. Patent and Trademark Office has received Beihang University patent application for method and apparatus for multi-drone roundup of hierarchical collaborative learning, electronic device and medium. Li Yumeng, Yang Zhengzhi, Guo Tong, Wang Tao, Zheng Lei and Du Wenbo developed the invention. The patent..