Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10107414 | Intermediate bulk container and valve opening/closing device therefor | Zhengwei Fang, Kai Gong | 2018-10-23 |
| 10047875 | Intermediate bulk container and valve opening/closing device therefor | Kai Gong, Zhengwei Fang | 2018-08-14 |
| 10001218 | Hinged valve | Zhengwei Fang | 2018-06-19 |