Issued Patents 2024
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12158022 | Gap caulking device and a caulking method | Chao Gao, Zhiwei Wang, Jie Yu | 2024-12-03 |
| 12012977 | Auto-lock hydraulic hoist cylinder device and control method thereof | Shaojie Yang | 2024-06-18 |