Issued Patents 2022
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11499284 | Trough plate for constructing locked polymer anti-seepage wall and construction method of locked polymer anti-seepage wall | Chengchao Guo, Chaojie Wang, Mingsheng Shi, Peng Zhao, Yanhui Pan +6 more | 2022-11-15 |
| 11473713 | Trenchless integrative repair method for concrete drainage pipeline with cracking, corrosion and subsidence | Hongyuan Fang, Peng Zhao, Yanhui Pan, Bin Li, Hang He | 2022-10-18 |
| 11414826 | System and method for sealing expanded polymer-based pile shoes for jacket | Ronghua Zhu, Xiang Sun, Hengfeng Wang, Qingfu Xu | 2022-08-16 |
| 11378891 | Method for determining contribution to a fingerprint | Davit Harutyunyan, Fei Jia, Frank Staals, Hugo Thomas Looijestijn, Cornelis Johannes Rijnierse +8 more | 2022-07-05 |
| 11346487 | Support tool and back-pressure grouting device for leakage repair of inspection well and repair method thereof | Hongyuan Fang, Peng Zhao, Yanhui Pan, Bin Li, Hang He | 2022-05-31 |
| 11319690 | Assembled recyclable rectangular working well with preset detachable door opening and construction method thereof | Hongyuan Fang, Yanhui Pan, Peng Zhao, Chengchao Guo | 2022-05-03 |
| 11274784 | In-service repair method combining externally bonded pre-stressed FRP and polymer grouting for PCCP with broken wire | Hongyuan Fang, Kejie Zhai, Peng Zhao, Yanhui Pan | 2022-03-15 |
| 11231139 | Detecting and repairing method for external diseases of buried drainage pipeline | Hongyuan Fang, Peng Zhao, Yanhui Pan, Bin Li, Hang He | 2022-01-25 |