ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,736,514, issued on Sept. 15, was assigned to Huaneng Lancang River Hydropower Inc. (Kunming, China).

"Reservoir area water bloom rapid monitoring method and device based on unmanned aerial vehicle swarm coordination" was invented by Zuobin Yang (Kunming, China), Wei Zeng (Kunming, China), Jiaxing Yang (Kunming, China), Liang Shi (Kunming, China), Hao Chen (Kunming, China), Rongzhi Qi (Kunming, China), Honggang Chen (Kunming, China), Shiqi Wang (Kunming, China), Haotian Zheng (Kunming, China), Yuhai Ren (Kunming, China), Jinjie Li (Kunming, China), Huiqing Dao (Kunming, China), Zhongjun Wang (Kunming, China), Juqiang Gan (Kunming, China), Lihua Guo (Kunming, China), Jingguan Li (Kunmi...