Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11841018 | All-metal conical combined screw pump suitable for petroleum field | Haiyang Liang, Zhihai Zhang | 2023-12-12 |
| 11628491 | Copper billet horizontal continuous casting apparatus and process with a vertical shaft furnace for smelting | Zhangquan Zhu, Xuelong Zhao, Weimin Ma, Zhiqiang Dong, Lirong Jiang +19 more | 2023-04-18 |