Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12158166 | Self-priming apparatus for quick no-water startup | Xiaowei Li, Hao Chang, Jialin Du, Weidong Shi, Shiming Hong | 2024-12-03 |
| 12146509 | Driven gas-liquid separation starting device | Long Tian, Hao Chang, Shiming Hong | 2024-11-19 |
| 11905976 | Quick no-water startup apparatus for centrifugal pump | Shiming Hong, Hao Chang, Jialin Du | 2024-02-20 |
| 11766679 | Flow self-adjusting type mine diameter grading apparatus applied to tailings recovery | Shiming Hong, Hao Chang | 2023-09-26 |
| 11739755 | Pneumatic type water-free starting self-priming device | Jialin Du, Hao Chang, Shiming Hong | 2023-08-29 |
| 11555497 | Quick startup device for centrifugal pump | Xiaowei Li, Hao Chang, Shiming Hong, Weidong Shi | 2023-01-17 |