ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,213,524, issued on Feb. 4, was assigned to CHINA TOBACCO HUNAN INDUSTRIAL Co. LTD. (Hunan, China).
"Ultrasonic atomizer" was invented by Jianfu Liu (Hunan, China), Kejun Zhong (Hunan, China), Xiaoyi Guo (Hunan, China), Xinqiang Yin (Hunan, China), Jianhua Yi (Hunan, China) and Yongquan Zhou (Hunan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to an electronic cigarette set, in particular to an ultrasonic atomizer, comprising an e-liquid guide assembly. In an embodiment, the e-liquid guide assembly comprises an e-liquid guide ceramic, e-liquid guide cotton, and springs located between the e-liquid guide ceramic and th...