Zhibiao Guo

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Fractured roof 110 mining method entry-side anti-collapsed structure
- Patent number 10,677,055
- Issue date Jun 9, 2020
- Manchao HE
- Manchao He
- E21 - EARTH DRILLING MINING
Information Patent Grant
Dynamics performance testing system
- Patent number 9,588,029
- Issue date Mar 7, 2017
- CHINA UNIVERSITY OF MINING & TECHNOLOGY (BEIJING)
- Manchao He
- G01 - MEASURING TESTING
Information Patent Grant
Tension meter for anchor rod with constant resistance and large def...
- Patent number 9,488,049
- Issue date Nov 8, 2016
- CHINA UNIVERSITY OF MINING & TECHNOLOGY (BEIJING)
- Manchao He
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
FRACTURED ROOF 110 MINING METHOD ENTRY-SIDE ANTI-COLLAPSED STRUCTURE
- Publication number 20180202291
- Publication date Jul 19, 2018
- Manchao HE
- E21 - EARTH DRILLING MINING
Information Patent Application
DYNAMICS PERFORMANCE TESTING SYSTEM
- Publication number 20150114084
- Publication date Apr 30, 2015
- CHINA UNIVERSITY OF MINING & TECHNOLOGY (BEIJING)
- Manchao He
- G01 - MEASURING TESTING
Information Patent Application
TENSION METER FOR ANCHOR ROD WITH CONSTANT RESISTANCE AND LARGE DEF...
- Publication number 20140318263
- Publication date Oct 30, 2014
- CHINA UNIVERSITY OF MINING & TECHNOLOGY (BEIJING)
- Manchao He
- G01 - MEASURING TESTING