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Patents Grantslast 30 patents

Information Patent Grant
Method for evaluating the possibility of a cigarette burning cone t...
- Patent number 12,340,501
- Issue date Jun 24, 2025
- CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTD
- Han Zheng
- G01 - MEASURING TESTING
Information Patent Grant
Device for forming a multi-flavor composite structure filter rod in...
- Patent number 11,812,779
- Issue date Nov 14, 2023
- CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTD
- Baoshan Yue
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES

Patents Applicationslast 30 patents

Information Patent Application
DEVICE FOR FORMING A MULTI-FLAVOR COMPOSITE STRUCTURE FILTER ROD IN...
- Publication number 20230320411
- Publication date Oct 12, 2023
- CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTD
- Baoshan YUE
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES