Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9731873 | Cover device for covering a built-in valve mounting channel port of IBC and container | Wenjing Wei | 2017-08-15 |
| 9534693 | Valve with a hinged valve core | Zuocheng Qian, Zhengwei Fang, Kai Gong, Fang Yuan | 2017-01-03 |