Water-based electronic cigarette liquid
US-12433322-B2 · Oct 7, 2025 · US
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Du Wen patents
Du Wen is listed as an inventor on 11 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Du Wen |
| Total patents | 11 |
| First publication | Dec 29, 2016 |
| Latest publication | Oct 7, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Low-temperature smoking body and preparation method thereof
US-12213513-B2 · Feb 4, 2025 · US
Cooling cigarette filter and cigarette
US-12150474-B2 · Nov 26, 2024 · US
Method and system for prognostic survival stage prediction based on machine learning
US-2024379242-A1 · Nov 14, 2024 · US
Cooling cigarette filter and smoking product
US-12137730-B2 · Nov 12, 2024 · US
Water-based electronic cigarette liquid
US-2024016198-A1 · Jan 18, 2024 · US
Low-harm cigarette subjected to smoke enhancement
US-2023068565-A1 · Mar 2, 2023 · US
Cooling cigarette filter and smoking product
US-2022079215-A1 · Mar 17, 2022 · US
Low-temperature smoking body and preparation method thereof
US-2021401030-A1 · Dec 30, 2021 · US
Cooling cigarette filter and cigarette
US-2021315268-A1 · Oct 14, 2021 · US
Recent patents
Latest publications not already listed above.
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| China Tobacco Hunan Ind Co Ltd | 9 |
| Shanghai New Tobacco Product Res Inst Co Ltd | 3 |
| China Tobacco Henan Ind Co Ltd | 3 |
| Xj Group Corp | 1 |
| Xj Electric Co Ltd | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.