Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11999002 | Wire billet butt-welding apparatus | Zhangquan Zhu, Gangfeng Sun, Shaojun Jiang, Lianyun Wei | 2024-06-04 |
| 11971218 | Automatic charging apparatus for a furnace | Gangfeng Sun, Yunlong Wang | 2024-04-30 |
| 11951535 | Casting furnace featuring submerged, mechanical control of liquid level | Gangfeng Sun, Weimin Ma, Xuelong Zhao | 2024-04-09 |
| 11946698 | Metal melting furnace including a stirring device | Gangfeng Sun, Yunlong Wang | 2024-04-02 |
| 11940216 | High-temperature flue gas recovery apparatus for melting furnace | Gangfeng Sun, Zhongzhan Zhang | 2024-03-26 |
| 11931797 | Double-acting switch valve | Gangfeng Sun, Weimin Ma, Xuelong Zhao | 2024-03-19 |
| 11925997 | Wire billet butt-welding apparatus and wire billet butt-welding method | Zhangquan Zhu, Gangfeng Sun, Shaojun Jiang, Lianyun Wei | 2024-03-12 |
| 11298743 | Crystallizer for continuous casting | Zhangquan Zhu, Xuelong Zhao, Lirong Jiang, Shaojun Jiang, Gangfeng Sun +2 more | 2022-04-12 |