WELEAD Infrastructure Engineering Technology (Zhengzhou), Ltd.

Patent Applications and Registrations

Patent applications and USPTO patent grants for WELEAD Infrastructure Engineering Technology (Zhengzhou), Ltd..The latest application filed is for "trenchless rehabilitation system for deformation of large diameter hdpe pipelines and method thereof".

Company Profile

19.22.14

WELEAD Infrastructure Engineering Technology (Zhengzhou), Ltd. - Zhengzhou
WELEAD Infrastructure Engineering Technology (Zhengzhou), Ltd. - Henan N/A CN
WELEAD infrastructure Engineering Technology (Zhengzhou), Ltd - Zhengzhou CN
WELEAD Infrastructure Engineering Technology (Zhengzhou), Ltd. - N/A N/A N/A
WELEAD Infrastructure Engineering Technology (Zhengzhou), Ltd. -

*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
In-service repair method combining externally bonded pre-stressed FRP and polymer grouting for PCCP with broken wire Grant 11,274,784 - Wang , et al. March 15, 2	2022-03-15
Detecting and repairing method for external diseases of buried drainage pipeline Grant 11,231,139 - Wang , et al. January 25, 2	2022-01-25
Thin-slotting lifting synchronous grouting device and its usage method Grant 11,149,400 - Wang , et al. October 19, 2	2021-10-19
Track-type jet grouting integrated system Grant 11,149,399 - 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
Composite slotting equipment combined static pressure and vibration of polymer anti-seepage wall and using method thereof Grant 11,085,166 - Wang , et al. August 10, 2	2021-08-10
Trenchless rehabilitation device for disconnects on large-diameter concrete drainage pipe and method thereof Grant 11,079,057 - Wang , et al. August 3, 2	2021-08-03
Trenchless rehabilitation system for deformation of large diameter HDPE pipelines and method thereof Grant 11,002,398 - Wang , et al. May 11, 2	2021-05-11
Trenchless rehabilitation system for deformation of large diameter HDPE pipelines and method thereof App 20210088168 - Wang; Fuming ; et al.	2021-03-25
In-service and trenchless repair method for disconnection of drainage pipeline Grant 10,907,761 - Wang , et al. February 2, 2	2021-02-02
Pipeline radar and television inspection robot App 20210010628 - Fang; Hongyuan ; et al.	2021-01-14
Local repair method combining internally bonded CFRP and polymer grouting for cracks in drainage pipe App 20200318774 - Wang; Fuming ; et al.	2020-10-08
Detecting and repairing method for external diseases of buried drainage pipeline App 20200300404 - Wang; Fuming ; et al.	2020-09-24
Trenchless rehabilitation device for disconnects on large-diameter concrete drainage pipe and method thereof App 20200300401 - 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
In-service repair method combining externally bonded pre-stressed FRP and polymer grouting for PCCP with broken wire App 20200292121 - 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
Trenchless integrative repair method for concrete drainage pipeline with cracking, corrosion and subsidence App 20200256498 - 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
Track-type jet grouting integrated system App 20200256030 - Wang; Fuming ; et al.	2020-08-13
Composite slotting equipment combined static pressure and vibration of polymer anti-seepage wall and using method thereof App 20200256027 - 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 thereof App 20200248551A1 -	2020-08-06
Composite slotting equipment combined static pressure and vibration of polymer anti-seepage wall and using method thereof App 20200248427 - Kind Code	2020-08-06

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.