ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,487,149, issued on Dec. 2, was assigned to ZHEJIANG HENGYI PETROCHEMICAL Co. LTD. (Zhejiang, China).

"Control method for drone inspection of chemical production plant, electronic device and storage medium" was invented by Xiantao Peng (Zhejiang, China), Peng Wang (Zhejiang, China), Yibo Qiu (Zhejiang, China), Dake Li (Zhejiang, China), Feng Xu (Zhejiang, China) and Junliang Jin (Zhejiang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a control method, system and apparatus for drone inspection of a chemical production plant, relating to the field of chemical fiber intelligent technology. The control method includes: determining a first ...