Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |