ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,821, issued on March 18, was assigned to Wuhan Carden Education Technology Co. Ltd. (Wuhan, China).

"Vegetable transplanting device with artificial intelligence robotic arm" was invented by Zuxin Bai (Wuhan, China) and Jing Du (Wuhan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vegetable transplanting device includes a robotic arm, a positioning ring fixedly disposed on an outside of the robotic arm, and a transplant assembly connected to the robotic arm. The transplant assembly includes: a motor fixedly disposed at an end of the robotic arm; a fixing frame fixedly mounted on a side surface of the positioning ring away from the robotic a...