Issued Patents 2021
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11149400 | Thin-slotting lifting synchronous grouting device and its usage method | Fuming Wang, Hongyuan Fang, Peng Zhao, Xianfeng Zhao, Yingli Wang | 2021-10-19 |
| 11149399 | Track-type jet grouting integrated system | Fuming Wang, Hongyuan Fang, Peng Zhao, 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 | Fuming Wang, Hongyuan Fang, Peng Zhao, Chengchao Guo | 2021-10-12 |
| 11104612 | Rapid-hardening underground pipeline grouting repair polymer and preparing method | Fuming Wang, Hongyuan Fang, Lei Wang, Peng Zhao | 2021-08-31 |
| 11085166 | Composite slotting equipment combined static pressure and vibration of polymer anti-seepage wall and using method thereof | Fuming Wang, Hongyuan Fang, Peng Zhao, Chengchao Guo, Xianfeng Zhao +3 more | 2021-08-10 |
| 11079057 | Trenchless rehabilitation device for disconnects on large-diameter concrete drainage pipe and method thereof | Fuming Wang, Hongyuan Fang, Peng Zhao, Bin Li, Hang He | 2021-08-03 |
| 11002398 | Trenchless rehabilitation system for deformation of large diameter HDPE pipelines and method thereof | Fuming Wang, Hongyuan Fang, Peng Zhao, Bin Li, Hang He | 2021-05-11 |
| 10907761 | In-service and trenchless repair method for disconnection of drainage pipeline | Fuming Wang, Hongyuan Fang, Peng Zhao, Bin Li, Hang He | 2021-02-02 |