Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10443112 | Fuming furnace with lead collecting and discharging function | Kefei Cao, Chuangu Wu, Shuangjie Feng, Xin Xu, Zhenmin Zhang | 2019-10-15 |
| 10415883 | Refractory protection layer for metallurgical furnace | Budong Zheng, Zhenmin Zhang, Liyu Lu, Kefei Cao, Chuangu Wu +1 more | 2019-09-17 |