Patents per Year
Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9994428 | Brake for use in passenger conveyor system | Du Dai, Alois Senger | 2018-06-12 |
| 9637351 | Conveyor band drive system | Du Dai, Yongbo Zhang, Fengshu Yue, Huisheng Zheng, Hongmin Zhu +1 more | 2017-05-02 |
| 7442295 | Water purification and treatment apparatus and treatment process using the apparatus | Tong-Fu Hsiao | 2008-10-28 |
| 6604779 | Vehicle body structure with U-shaped strip portions | — | 2003-08-12 |
| 6595503 | Cushioning device with U-shaped strip portions | — | 2003-07-22 |