Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10041599 | Multi-way valve and multi-way valve skid thereof | Mingmin Wan, Jianshe Yao, Hao Wang, Zhi Gao | 2018-08-07 |
| 9958074 | Valve seat ring and multi-way valve having valve seat ring | Mingmin Wan, Jianshe Yao, Zhi Gao, Yunzhao Chen | 2018-05-01 |