Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12202080 | High-strength, high-toughness, and corrosion-resistant welding method for TKY nodes in deepwater jacket | Lianyong Xu, Yongdian Han, Lei Zhao, Kangda Hao | 2025-01-21 |
| 12005531 | Method of automatically welding welded seam of saddle line for saddle-type T joint | Yongdian Han, Lianyong Xu, Lei Zhao, Kangda Hao | 2024-06-11 |
| 11926002 | CMT automatic overlaying method for opening in side wall of bimetallic composite pipe | Yongdian Han, Lianyong Xu, Lei Zhao, Kangda Hao | 2024-03-12 |