Issued Patents 2022
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11473713 | Trenchless integrative repair method for concrete drainage pipeline with cracking, corrosion and subsidence | Fuming Wang, Hongyuan Fang, Peng Zhao, Yanhui Pan, Bin Li | 2022-10-18 |
| 11346487 | Support tool and back-pressure grouting device for leakage repair of inspection well and repair method thereof | Fuming Wang, Hongyuan Fang, Peng Zhao, Yanhui Pan, Bin Li | 2022-05-31 |
| 11340626 | Cleaning robot and control method therefor | Haojian XIE, Yongfeng Xia | 2022-05-24 |
| 11231139 | Detecting and repairing method for external diseases of buried drainage pipeline | Fuming Wang, Hongyuan Fang, Peng Zhao, Yanhui Pan, Bin Li | 2022-01-25 |