ALEXANDRIA, Va., April 2 -- United States Patent no. 12,262,728, issued on April 1, was assigned to Zhangjiakou Cigarette Factory Co. Ltd. (Zhangjiakou, China).

"Water control method for loosening and conditioning process based on neural network model and double parameter correction" was invented by Zijuan Li (Hebei, China), Jiaojiao Chen (Hebei, China), Shuo Sun (Hebei, China), Wangchang Miao (Hebei, China), Yang Gao (Hebei, China), Zixian Feng (Hebei, China), Liyuan Zhao (Hebei, China), Yanling Ma (Hebei, China), Bo Liu (Hebei, China), Ting Fang (Hebei, China), Xiaohui Jia (Hebei, China), Zheng Zhou (Hebei, China), Yanshu Ma (Hebei, China), Jichao Guo (Hebei, China), Qiao Su (Hebei, China), Qifeng Zhang (Hebei, China), Tingting Wu (Hebei...