Inventor
QIN YUNHUA
CN3 patents
Patents
3 patentsUS11744286B2Sep 5, 2023
Electronic cigarette (e-cigarette) capable of holding, heating, and quantitatively supplying gelled electronic liquid (e-liquid)
CHINA TOBACCO YUNNAN IND CO LTD2 citations71
US11717020B2Aug 8, 2023
Bubble removal preparation device and method for gel-state electronic liquid (e-liquid)
CHINA TOBACCO YUNNAN IND CO LTD0 citations60
US12458061B2Nov 4, 2025
Automatically resettable tobacco heating device
CHINA TOBACCO YUNNAN IND CO LTD0 citations58