Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11280416 | High-temperature quick-opening spherical sealing shut-off valve | Xiheng Zhang, Hongqiang Yin, Huaimin Wu, Hongquan Xue, Longjie Yang +4 more | 2022-03-22 |
| 9447898 | Ultra-high temperature rigidity seal ball valve | Rongshui Yang, Meilin HUANG, Yongxi Li, Aiyi Huang, Hu Jin +5 more | 2016-09-20 |