| 11149400 |
Thin-slotting lifting synchronous grouting device and its usage method |
Hongyuan Fang, Peng Zhao, Yanhui Pan, Xianfeng Zhao, Yingli Wang |
2021-10-19 |
| 11149399 |
Track-type jet grouting integrated system |
Hongyuan Fang, Peng Zhao, Yanhui Pan, Xianfeng Zhao, Yingli Wang |
2021-10-19 |
| 11143027 |
Rectangular working well with preset pipe jacking hole and sliding back wall in water-rich stratum and construction method thereof |
Hongyuan Fang, Yanhui Pan, Peng Zhao, Chengchao Guo |
2021-10-12 |
| 11104612 |
Rapid-hardening underground pipeline grouting repair polymer and preparing method |
Hongyuan Fang, Lei Wang, Peng Zhao, Yanhui Pan |
2021-08-31 |
| 11085166 |
Composite slotting equipment combined static pressure and vibration of polymer anti-seepage wall and using method thereof |
Hongyuan Fang, Peng Zhao, Chengchao Guo, Yanhui Pan, Xianfeng Zhao +3 more |
2021-08-10 |
| 11079057 |
Trenchless rehabilitation device for disconnects on large-diameter concrete drainage pipe and method thereof |
Hongyuan Fang, Peng Zhao, Yanhui Pan, Bin Li, Hang He |
2021-08-03 |
| 11002398 |
Trenchless rehabilitation system for deformation of large diameter HDPE pipelines and method thereof |
Hongyuan Fang, Peng Zhao, Yanhui Pan, Bin Li, Hang He |
2021-05-11 |
| 10907761 |
In-service and trenchless repair method for disconnection of drainage pipeline |
Hongyuan Fang, Peng Zhao, Yanhui Pan, Bin Li, Hang He |
2021-02-02 |