WELEAD Infrastructure Engineering Technology (Zhengzhou), Ltd.

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Patents Grantslast 30 patents

Information Patent Grant
Structural flame retardant high strength low exothermic polymer gro...
- Patent number 11,970,564
- Issue date Apr 30, 2024
- SAFEKEY Engineering Technology (Zhengzhou), Ltd.
- Peng Zhao
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Pipeline radar and television inspection robot
- Patent number 11,708,933
- Issue date Jul 25, 2023
- Zhengzhou University
- Hongyuan Fang
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Trenchless methods for forming curved hole channel with steel sleev...
- Patent number 11,585,467
- Issue date Feb 21, 2023
- Infrastructure Renewal Institute of Southern China
- Fuming Wang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Trenchless integrative repair method for concrete drainage pipeline...
- Patent number 11,473,713
- Issue date Oct 18, 2022
- Infrastructure Renewal Institute of Southern China
- Fuming Wang
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Support tool and back-pressure grouting device for leakage repair o...
- Patent number 11,346,487
- Issue date May 31, 2022
- Infrastructure Renewal Institute of Southern China
- Fuming Wang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Assembled recyclable rectangular working well with preset detachabl...
- Patent number 11,319,690
- Issue date May 3, 2022
- Infrastructure Renewal Institute of Southern China
- Fuming Wang
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
In-service repair method combining externally bonded pre-stressed F...
- Patent number 11,274,784
- Issue date Mar 15, 2022
- WELEAD Infrastructure Engineering Technology (Zhengzhou), Ltd.
- Fuming Wang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Detecting and repairing method for external diseases of buried drai...
- Patent number 11,231,139
- Issue date Jan 25, 2022
- Infrastructure Renewal Institute of Southern China
- Fuming Wang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Track-type jet grouting integrated system
- Patent number 11,149,399
- Issue date Oct 19, 2021
- Infrastructure Renewal Institute of Southern China
- Fuming Wang
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Thin-slotting lifting synchronous grouting device and its usage method
- Patent number 11,149,400
- Issue date Oct 19, 2021
- Infrastructure Renewal Institute of Southern China
- Fuming Wang
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Rectangular working well with preset pipe jacking hole and sliding...
- Patent number 11,143,027
- Issue date Oct 12, 2021
- Infrastructure Renewal Institute of Southern China
- Fuming Wang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Composite slotting equipment combined static pressure and vibration...
- Patent number 11,085,166
- Issue date Aug 10, 2021
- WELEAD Infrastructure Engineering Technology (Zhengzhou), Ltd.
- Fuming Wang
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Trenchless rehabilitation device for disconnects on large-diameter...
- Patent number 11,079,057
- Issue date Aug 3, 2021
- WELEAD Infrastructure Engineering Technology (Zhengzhou), Ltd.
- Fuming Wang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Trenchless rehabilitation system for deformation of large diameter...
- Patent number 11,002,398
- Issue date May 11, 2021
- WELEAD Infrastructure Engineering Technology (Zhengzhou), Ltd.
- Fuming Wang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
In-service and trenchless repair method for disconnection of draina...
- Patent number 10,907,761
- Issue date Feb 2, 2021
- Infrastructure Renewal Institute of Southern California
- Fuming Wang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Silicate modified polymer foam material for filling and sealing
- Publication number 20230043883
- Publication date Feb 9, 2023
- WELEAD Infrastructure Engineering Technology (Zhengzhou), Ltd.
- Peng Zhao
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Structural flame retardant high strength low exothermic polymer gro...
- Publication number 20230041379
- Publication date Feb 9, 2023
- SAFEKEY Engineering Technology (Zhengzhou), Ltd.
- Peng Zhao
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Trenchless rehabilitation system for deformation of large diameter...
- Publication number 20210088168
- Publication date Mar 25, 2021
- WELEAD Infrastructure Engineering Technology (Zhengzhou), Ltd.
- Fuming Wang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Pipeline radar and television inspection robot
- Publication number 20210010628
- Publication date Jan 14, 2021
- Zhengzhou University
- Hongyuan Fang
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Local repair method combining internally bonded CFRP and polymer gr...
- Publication number 20200318774
- Publication date Oct 8, 2020
- Infrastructure Renewal Insitute of Southern China
- Fuming Wang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Trenchless rehabilitation device for disconnects on large-diameter...
- Publication number 20200300401
- Publication date Sep 24, 2020
- WELEAD Infrastructure Engineering Technology (Zhengzhou), Ltd.
- Fuming Wang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Detecting and repairing method for external diseases of buried drai...
- Publication number 20200300404
- Publication date Sep 24, 2020
- Infrastructure Renewal Institute of Southern China
- Fuming Wang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Assembled recyclable rectangular working well with preset detachabl...
- Publication number 20200291597
- Publication date Sep 17, 2020
- Infrastructure Renewal Institute of Southern China
- Fuming Wang
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
In-service repair method combining externally bonded pre-stressed F...
- Publication number 20200292121
- Publication date Sep 17, 2020
- WELEAD Infrastructure Engineering Technology (Zhengzhou), Ltd.
- Fuming Wang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Support tool and back-pressure grouting device for leakage repair o...
- Publication number 20200271262
- Publication date Aug 27, 2020
- Infrastructure Renewal Institute of Southern China
- Fuming Wang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Trenchless methods for forming curved hole channel with steel sleev...
- Publication number 20200271245
- Publication date Aug 27, 2020
- Infrastructure Renewal Institute of Southern China
- Fuming Wang
- E21 - EARTH DRILLING MINING
Information Patent Application
In-service and trenchless repair method for disconnection of draina...
- Publication number 20200256499
- Publication date Aug 13, 2020
- Infrastructure Renewal Institute of Southern China
- Fuming Wang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Composite slotting equipment combined static pressure and vibration...
- Publication number 20200256027
- Publication date Aug 13, 2020
- WELEAD Infrastructure Engineering Technology (Zhengzhou), Ltd.
- Fuming Wang
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
Track-type jet grouting integrated system
- Publication number 20200256030
- Publication date Aug 13, 2020
- Infrastructure Renewal Institute of Southern China
- Fuming Wang
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Trenchless integrative repair method for concrete drainage pipeline...
- Publication number 20200256498
- Publication date Aug 13, 2020
- Infrastructure Renewal Institute of Southern China
- Fuming Wang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Rectangular working well with preset pipe jacking hole and sliding...
- Publication number 20200248551
- Publication date Aug 6, 2020
- Infrastructure Renewal Institute of Southern China
- Fuming Wang
- E21 - EARTH DRILLING MINING
Information Patent Application
Composite slotting equipment combined static pressure and vibration...
- Publication number 20200248427
- Publication date Aug 6, 2020
- WELEAD Infrastructure Engineering Technology (Zhengzhou), Ltd.
- Fuming Wang
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

WELEAD Infrastructure Engineering Technology (Zhengzhou), Ltd.

Organization

Patents Grantslast 30 patents

Structural flame retardant high strength low exothermic polymer gro...

Pipeline radar and television inspection robot

Trenchless methods for forming curved hole channel with steel sleev...

Trenchless integrative repair method for concrete drainage pipeline...

Support tool and back-pressure grouting device for leakage repair o...

Assembled recyclable rectangular working well with preset detachabl...

In-service repair method combining externally bonded pre-stressed F...

Detecting and repairing method for external diseases of buried drai...

Track-type jet grouting integrated system

Thin-slotting lifting synchronous grouting device and its usage method

Rectangular working well with preset pipe jacking hole and sliding...

Composite slotting equipment combined static pressure and vibration...

Trenchless rehabilitation device for disconnects on large-diameter...

Trenchless rehabilitation system for deformation of large diameter...

In-service and trenchless repair method for disconnection of draina...

Patents Applicationslast 30 patents

Silicate modified polymer foam material for filling and sealing

Structural flame retardant high strength low exothermic polymer gro...

Trenchless rehabilitation system for deformation of large diameter...

Pipeline radar and television inspection robot

Local repair method combining internally bonded CFRP and polymer gr...

Trenchless rehabilitation device for disconnects on large-diameter...

Detecting and repairing method for external diseases of buried drai...

Assembled recyclable rectangular working well with preset detachabl...

In-service repair method combining externally bonded pre-stressed F...

Support tool and back-pressure grouting device for leakage repair o...

Trenchless methods for forming curved hole channel with steel sleev...

In-service and trenchless repair method for disconnection of draina...

Composite slotting equipment combined static pressure and vibration...

Track-type jet grouting integrated system

Trenchless integrative repair method for concrete drainage pipeline...

Rectangular working well with preset pipe jacking hole and sliding...

Composite slotting equipment combined static pressure and vibration...

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