ALEXANDRIA, Va., June 9 -- United States Patent no. 12,285,052, issued on April 29, was assigned to SHENZHEN FIRST UNION TECHNOLOGY Co. LTD. (Shenzhen, China).
"Electronic cigarette" was invented by Zhi Yuan (Shenzhen, China), Zhongli Xu (Shenzhen, China) and Yonghai Li (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electronic cigarette includes a device housing, and an atomizing device disposed in the device housing and an airflow sensor. An airflow path is formed between an air inlet and an aerosol passageway of the device housing so that air outside the electronic cigarette flows into the aerosol passageway through the airflow path. The airflow path includes a first airflow passageway ...