Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11525522 | Self-retaining, magnetically-coupled and directly-operated four-way reversing valve | Huajun Chen, Xiaoshui He | 2022-12-13 |
| 11464158 | Opposite belt-type precise seeding device | Longmei Zhang, Yubin Lan, Jianyong Li, Bing Wang, Yanfei Zhang +3 more | 2022-10-11 |