RUFENG YOU

Follow

Person

Changzhou City, Jiangsu Province, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Electronic cigarette control method and electronic cigarette
- Patent number 11,641,883
- Issue date May 9, 2023
- Joyetech Europe Holding GmbH
- Weihua Qiu
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES

Patents Applicationslast 30 patents

Information Patent Application
LIQUID SUPPLY DEVICE AND SYSTEM
- Publication number 20200407209
- Publication date Dec 31, 2020
- CHANGZHOU PATENT ELECTRONIC TECHNOLOGY CO., LTD.
- Weihua Qiu
- B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
Information Patent Application
ELECTRONIC CIGARETTE CONTROL METHOD AND ELECTRONIC CIGARETTE
- Publication number 20200196671
- Publication date Jun 25, 2020
- WEIHUA QIU
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES