Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11820096 | Multi plate screw press sludge dewatering machine | Daoguang Liu, Wenbiao ZHANG | 2023-11-21 |
| 11034603 | Multi plate screw press sludge dewatering machine | Daoguang Liu, Wenbiao ZHANG | 2021-06-15 |