Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12258698 | Steam dryer and drainage device thereof | Zhenxing ZHENG, Ruifeng Cai | 2025-03-25 |
| 11326302 | Steam type clothing flattening device | Zhenxing ZHENG, Ruifeng Cai, Kaicheng Zheng | 2022-05-10 |