Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11346218 | Guiding type miniature pipe-jacking construction method | Jingda Ouyang, Haibin Yu, Rong Zhang, Tianjun Liu, Tan Wang +3 more | 2022-05-31 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11346218 | Guiding type miniature pipe-jacking construction method | Jingda Ouyang, Haibin Yu, Rong Zhang, Tianjun Liu, Tan Wang +3 more | 2022-05-31 |