Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9103452 | Large-scale hydraulic variable-speed floating box flap valve | Songmao Zhai, Quanmin Li, Kangle Teng, Jianguo Ying, Dongliang Xiong | 2015-08-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9103452 | Large-scale hydraulic variable-speed floating box flap valve | Songmao Zhai, Quanmin Li, Kangle Teng, Jianguo Ying, Dongliang Xiong | 2015-08-11 |