Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11608829 | Structure of rotor connection of multi-axial multi-stage roots pump | Yi Rong, Yue Li | 2023-03-21 |
| 11441564 | Driving structure of three-axis multi-stage roots pump | Yi Rong, Yue Li | 2022-09-13 |
| 11339783 | Pump housing structure of three-axis multi-stage Roots pump | Yi Rong, Yue Li | 2022-05-24 |
| 11320036 | Transmission structure of motor connection of roots pump | Yi Rong, Yue Li | 2022-05-03 |