Infrastructure Renewal Institute of Southern China

Patent Applications and Registrations

Patent applications and USPTO patent grants for Infrastructure Renewal Institute of Southern China.The latest application filed is for "detecting and repairing method for external diseases of buried drainage pipeline".

Company Profile

19.15.17

Infrastructure Renewal Institute of Southern China - Guangdong CN
Infrastructure Renewal Institute of Southern China. - Guangdong CN
Infrastructure Renewal Institute of Southern China - Huizhou CN
Infrastructure Renewal Institute Of Southern China - WELEAD Infrastructure Engineering Technology (Zh

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Support tool and back-pressure grouting device for leakage repair of inspection well and repair method thereof Grant 11,346,487 - Wang , et al. May 31, 2	2022-05-31
Assembled recyclable rectangular working well with preset detachable door opening and construction method thereof Grant 11,319,690 - Wang , et al. May 3, 2	2022-05-03
Detecting and repairing method for external diseases of buried drainage pipeline Grant 11,231,139 - Wang , et al. January 25, 2	2022-01-25
Track-type jet grouting integrated system Grant 11,149,399 - Wang , et al. October 19, 2	2021-10-19
Thin-slotting lifting synchronous grouting device and its usage method Grant 11,149,400 - Wang , et al. October 19, 2	2021-10-19
Rectangular working well with preset pipe jacking hole and sliding back wall in water-rich stratum and construction method thereof Grant 11,143,027 - Wang , et al. October 12, 2	2021-10-12
Rapid-hardening underground pipeline grouting repair polymer and preparing method Grant 11,104,612 - Wang , et al. August 31, 2	2021-08-31
In-service and trenchless repair method for disconnection of drainage pipeline Grant 10,907,761 - Wang , et al. February 2, 2	2021-02-02
Detecting and repairing method for external diseases of buried drainage pipeline App 20200300404 - Wang; Fuming ; et al.	2020-09-24
Assembled recyclable rectangular working well with preset detachable door opening and construction method thereof App 20200291597 - Wang; Fuming ; et al.	2020-09-17
Support tool and back-pressure grouting device for leakage repair of inspection well and repair method thereof App 20200271262 - Wang; Fuming ; et al.	2020-08-27
Trenchless methods for forming curved hole channel with steel sleeve and pipeline lifting App 20200271245 - Wang; Fuming ; et al.	2020-08-27
Track-type jet grouting integrated system App 20200256030 - Wang; Fuming ; et al.	2020-08-13
In-service and trenchless repair method for disconnection of drainage pipeline App 20200256499 - Wang; Fuming ; et al.	2020-08-13
Trenchless integrative repair method for concrete drainage pipeline with cracking, corrosion and subsidence App 20200256498 - Wang; Fuming ; et al.	2020-08-13
Thin-slotting lifting synchronous grouting device and its usage method App 20200256031 - Wang; Fuming ; et al.	2020-08-13
Rectangular working well with preset pipe jacking hole and sliding back wall in water-rich stratum and construction method there App 20200248551 - Kind Code	2020-08-06
Rapid-hardening underground pipeline grouting repair polymer and preparing method App 20190270672 - Wang; Fuming ; et al.	2019-09-05

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