ALEXANDRIA, Va., June 25 -- United States Patent no. 12,340,501, issued on June 24, was assigned to CHINA TOBACCO YUNNAN INDUSTRIAL Co. LTD. (Kunming, China).

"Method for evaluating the possibility of a cigarette burning cone to fall off" was invented by Han Zheng (Kunming, China), Hao Wang (Kunming, China), Zhihua Liu (Kunming, China), Baoshan Yue (Kunming, China), Jiao Xie (Kunming, China), Xu Wang (Kunming, China), Ying Zhang (Kunming, China), Jihui Liu (Kunming, China), Xiaolong Ma (Kunming, China), Tingting Yu (Kunming, China), Jianyun Yang (Kunming, China), Xiaoxi Si (Kunming, China), Yongfa Gui (Kunming, China), Jiacheng Zhao (Kunming, China), Yanfei Shen (Kunming, China) and Jiang Yu (Kunming, China).

According to the abstract* re...