Issued Patents 2025
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12421086 | Energy-saving hook fixing device for crane | Jiansong Li, Jinhai Sun | 2025-09-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12421086 | Energy-saving hook fixing device for crane | Jiansong Li, Jinhai Sun | 2025-09-23 |