Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10323756 | Multi-way valve | Mingmin Wan, Jianshe Yao, Zhi Gao, Xuefu Li | 2019-06-18 |
| 9958074 | Valve seat ring and multi-way valve having valve seat ring | Mingmin Wan, Jianshe Yao, Zhi Gao, Liyun Zhu | 2018-05-01 |