Guobin Qiao

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Zhengzhou, CN

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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
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

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
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
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