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Patents Grants
last 30 patents
Information
Patent Grant
Ultrasonic electronic cigarette atomizer and electronic cigarette
Patent number
12,022,864
Issue date
Jul 2, 2024
China Tobacco Hunan Industrial Co., Ltd.
Jianfu Liu
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information
Patent Grant
Atomizer and electronic cigarette thereof
Patent number
11,877,600
Issue date
Jan 23, 2024
China Tobacco Hunan Industrial Co., Ltd.
Jianfu Liu
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information
Patent Grant
Electronic cigarette
Patent number
11,744,282
Issue date
Sep 5, 2023
China Tobacco Hunan Industrial Co., Ltd.
Jianfu Liu
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information
Patent Grant
Ultrasonic electronic cigarette atomizer
Patent number
11,690,401
Issue date
Jul 4, 2023
China Tobacco Hunan Industrial Co., Ltd.
Jianfu Liu
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information
Patent Grant
Ultrasonic atomization piece, electronic cigarette atomization core...
Patent number
11,039,640
Issue date
Jun 22, 2021
China Tobacco Hunan Industrial Co., Ltd.
Jianfu Liu
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Ultrasonic atomizer and electronic cigarette
Patent number
10,561,803
Issue date
Feb 18, 2020
CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.
Jianfu Liu
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Ultrasonic atomizer and electronic cigarette
Patent number
10,531,687
Issue date
Jan 14, 2020
CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.
Jianfu Liu
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Patents Applications
last 30 patents
Information
Patent Application
ELECTRONIC CIGARETTE
Publication number
20230248057
Publication date
Aug 10, 2023
CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.
Jianfu Liu
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information
Patent Application
ULTRASONIC ELECTRONIC CIGARETTE ATOMIZER
Publication number
20200214349
Publication date
Jul 9, 2020
CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.
Jianfu Liu
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information
Patent Application
ATOMIZER AND ELECTRONIC CIGARETTE THEREOF
Publication number
20200029624
Publication date
Jan 30, 2020
CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.
Jianfu LIU
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information
Patent Application
ULTRASONIC ELECTRONIC CIGARETTE ATOMIZER AND ELECTRONIC CIGARETTE
Publication number
20190289914
Publication date
Sep 26, 2019
CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.
Jianfu LIU
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information
Patent Application
ELECTRONIC CIGARETTE
Publication number
20190223503
Publication date
Jul 25, 2019
CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.
Jianfu LIU
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
ULTRASONIC ATOMIZATION PIECE, ELECTRONIC CIGARETTE ATOMIZATION CORE...
Publication number
20190142063
Publication date
May 16, 2019
CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.
Jianfu LIU
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information
Patent Application
ULTRASONIC ATOMIZER AND ELECTRONIC CIGARETTE
Publication number
20180161525
Publication date
Jun 14, 2018
CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.
Jianfu LIU
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
ULTRASONIC ATOMIZER AND ELECTRONIC CIGARETTE
Publication number
20180153217
Publication date
Jun 7, 2018
CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.
Jianfu LIU
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE