Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12311481 | Welding method for sea pipe with high efficiency and comprehensive performance under shaking of pipe-laying ship | Kangda Hao, Yongdian Han, Lei Zhao, Wenjing Ren | 2025-05-27 |
| 12304006 | Simplified method for welding 5G position filler layer of marine riser and product thereof | Kangda Hao, Yongdian Han, Lei Zhao, Wenjing Ren, Hongyang Jing | 2025-05-20 |
| 12304014 | Automatic welding production line for large complex workpiece and production method | Kangda Hao, Hao Wang, Yongdian Han, Lei Zhao, Wenjing Ren +1 more | 2025-05-20 |
| 12304741 | Feeding device for subway grille main reinforcement conveying | Kangda Hao, Hao Wang, Yongdian Han, Lei Zhao, Wenjing Ren +1 more | 2025-05-20 |
| 12265017 | Method for establishing hydrogen charging model for pipeline steel in equivalent wet hydrogen sulfide environment and application thereof | Yongdian Han, Jiajun Shao, Lei Zhao, Kangda Hao | 2025-04-01 |
| 12259313 | Rapid and comprehensive method for evaluating pitting resistance of stainless steel pipe welds | Yongdian Han, Yongle Shi, Lei Zhao, Kangda Hao | 2025-03-25 |
| 12202080 | High-strength, high-toughness, and corrosion-resistant welding method for TKY nodes in deepwater jacket | Yongdian Han, Zhaowei Xue, Lei Zhao, Kangda Hao | 2025-01-21 |
| 12163928 | Detection device and detection method for node detection | Lei Tian, Lei Zhao, Chao Feng, Molin Su, Yongdian Han | 2024-12-10 |
| 12103112 | Method and system for predicting critical floating time of reinforcing phase | Yongdian Han, Yuan Li, Lei Zhao, Kangda Hao, Hongyang Jing | 2024-10-01 |
| 12061174 | Creep lifetime prediction method for P92 main steam pipeline welded joint | Lei Zhao, Kai Song, Yongdian Han | 2024-08-13 |
| 12031953 | Deepwater platform welded joint testing system | Lei Zhao, Yongdian Han, Chao Feng | 2024-07-09 |
| 12005531 | Method of automatically welding welded seam of saddle line for saddle-type T joint | Yongdian Han, Zhaowei Xue, Lei Zhao, Kangda Hao | 2024-06-11 |
| 11926002 | CMT automatic overlaying method for opening in side wall of bimetallic composite pipe | Yongdian Han, Zhaowei Xue, Lei Zhao, Kangda Hao | 2024-03-12 |
| 11907624 | Approach for characterizing propagation of metallic short cracks and long cracks | Lei Zhao, Molin Su, Yongdian Han, Kangda Hao | 2024-02-20 |
| 11847387 | Method and system for predicting creep-fatigue life of structural part of thermal power unit | Lei Zhao, Kai Song, Yongdian Han | 2023-12-19 |
| 11703497 | Quantitative evaluation method for sensitivity of welding transverse cold cracks in typical joint of jacket | Yongdian Han, Shifang Zhong, Hongyang Jing, Lei Zhao, Kangda Hao | 2023-07-18 |
| 9663841 | Site conditions thick-wall P92 pipe local heat treatment method | Hongyang Jing, Yongdian Han, Yi Miao | 2017-05-30 |