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Patents Grants
last 30 patents
Information
Patent Grant
Electronic cigarette
Patent number
11,930,855
Issue date
Mar 19, 2024
Joyetech Europe Holding GmbH
Weihua Qiu
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information
Patent Grant
Voltage output circuit and electronic cigarette
Patent number
11,889,863
Issue date
Feb 6, 2024
Changzhou Patent Electronic Technology Co., ltd
Weihua Qiu
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information
Patent Grant
Voltage output circuit for electronic cigarette and electronic ciga...
Patent number
11,871,796
Issue date
Jan 16, 2024
Changzhou Patent Electronic Technology Co., ltd
Wei-Hua Qiu
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information
Patent Grant
Control method and apparatus for electronic cigarette
Patent number
11,723,413
Issue date
Aug 15, 2023
Changzhou Patent Electronic Technology Co., ltd
Weihua Qiu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Voltage output circuit for electronic cigarette and electronic ciga...
Patent number
11,602,177
Issue date
Mar 14, 2023
Changzhou Patent Electronic Technology Co., ltd
Wei-Hua Qiu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
VOLTAGE OUTPUT CIRCUIT FOR ELECTRONIC CIGARETTE AND ELECTRONIC CIGA...
Publication number
20230180846
Publication date
Jun 15, 2023
Changzhou Patent Electronic Technology Co.,ltd
WEI-HUA QIU
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information
Patent Application
BATTERY PROTECTION CIRCUIT AND ELECTRONIC CIGARETTE
Publication number
20220006310
Publication date
Jan 6, 2022
Changzhou Patent Electronic Technology Co., LTD
Weihua QIU
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
VOLTAGE OUTPUT CIRCUIT AND ELECTRONIC CIGARETTE
Publication number
20210204598
Publication date
Jul 8, 2021
Changzhou Patent Electronic Technology Co., LTD
Weihua QIU
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information
Patent Application
VOLTAGE OUTPUT CIRCUIT FOR ELECTRONIC CIGARETTE AND ELECTRONIC CIGA...
Publication number
20200359700
Publication date
Nov 19, 2020
Changzhou Patent Electronic Technology Co.,ltd
WEI-HUA QIU
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information
Patent Application
CONTROL METHOD AND APPARATUS FOR ELECTRONIC CIGARETTE
Publication number
20200221783
Publication date
Jul 16, 2020
CHANGZHOU PATENT ELECTRONIC TECHNOLOGY CO., LTD.
WEIHUA QIU
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information
Patent Application
ELECTRONIC CIGARETTE, AND METHOD AND DEVICE FOR CONTROLLING THE SAME
Publication number
20200100540
Publication date
Apr 2, 2020
WEIHUA QIU
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information
Patent Application
ELECTRONIC CIGARETTE
Publication number
20190133191
Publication date
May 9, 2019
JOYETECH EUROPE HOLDING GMBH
WEIHUA QIU
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES