ALEXANDRIA, Va., July 16 -- United States Patent no. 12,668,423, issued on June 30, was assigned to Zhejiang Libiao Robotics Co. Ltd. (Hangzhou, China).

"Three-dimensional unloading system capable of unloading goods into container and control method of three-dimensional unloading system" was invented by Jianqiang Zhu (Zhejiang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a three-dimensional unloading system capable of unloading goods into a container and a control method of the three-dimensional unloading system. The system comprises: soring platforms; self-navigation carts; parcel identification devices; and positioning devices. The three-dimensional unloading system further comprises ...