Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11719595 | Testing device and testing system for high-pressure and large-scale gap dynamic sealing performance | Shendan Zhao, Defa Wu, Hao Pang, Yipan Deng | 2023-08-08 |
| 10683939 | Ocean depth automatic compensation type full-ocean-depth hydraulic control water stop valve | Defa Wu, Chao Li, Qian Cheng, Zhenyao Wang, Guang Luo +3 more | 2020-06-16 |
| 8696337 | Plunger type water pump | Defa Wu, Zhuo Jiang, Xiaofeng He, Bihai Zhu, Zhi-Heng Guo +2 more | 2014-04-15 |