Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11420139 | Filter press and filter press of spiral vibration cake unloading by pulling apart filter plates twice | Guozhi LIU, Wei Song, Dongling Liu | 2022-08-23 |
| 11344825 | High-efficiency filter press | Fengjiang Liu, Baochang Liu | 2022-05-31 |