Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11999002 | Wire billet butt-welding apparatus | Huanfeng Feng, Zhangquan Zhu, Gangfeng Sun, Lianyun Wei | 2024-06-04 |
| 11925997 | Wire billet butt-welding apparatus and wire billet butt-welding method | Huanfeng Feng, Zhangquan Zhu, Gangfeng Sun, Lianyun Wei | 2024-03-12 |
| 11298743 | Crystallizer for continuous casting | Zhangquan Zhu, Xuelong Zhao, Huanfeng Feng, Lirong Jiang, Gangfeng Sun +2 more | 2022-04-12 |