Patents/Inventors

Yunhua Qin

KunmingCN2 patents

3 Patents

US124580612025
Automatically Resettable Tobacco Heating Device
CHINA TOBACCO YUNNAN INDUSTRIAL CO., Ltd
0 cites
US117442862023
Electronic Cigarette (e-cigarette) Capable of Holding, Heating, and Quantitatively Supplying Gelled Electronic Liquid (e-liquid)
CHINA TOBACCO YUNNAN INDUSTRIAL CO., Ltd
0 cites
US117170202023
Bubble Removal Preparation Device and Method for Gel-state Electronic Liquid (e-liquid)
CHINA TOBACCO YUNNAN INDUSTRIAL CO., Ltd
0 cites