Changliang HAN

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Xuzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Reaming and self-rotating anchor rod and using method thereof
- Patent number 10,907,474
- Issue date Feb 2, 2021
- China University of Mining and Technology
- Nong Zhang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Extensible reaming self-anchoring anchor rod and supporting method...
- Patent number 10,767,480
- Issue date Sep 8, 2020
- China University of Mining and Technology
- Nong Zhang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Anchoring method utilizing self-drilling and self-anchoring extenda...
- Patent number 10,487,654
- Issue date Nov 26, 2019
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Nong Zhang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Full-roadway full-process full-cross-section surface deformation mo...
- Patent number 10,280,750
- Issue date May 7, 2019
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Nong Zhang
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
EXTENSIBLE REAMING SELF-ANCHORING ANCHOR ROD AND SUPPORTING METHOD...
- Publication number 20200217201
- Publication date Jul 9, 2020
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Nong ZHANG
- E21 - EARTH DRILLING MINING
Information Patent Application
ANCHORING METHOD UTILIZING SELF-DRILLING AND SELF-ANCHORING EXTENDA...
- Publication number 20190169987
- Publication date Jun 6, 2019
- China University of Mining and Technology
- Nong ZHANG
- E21 - EARTH DRILLING MINING
Information Patent Application
FULL-ROADWAY FULL-PROCESS FULL-CROSS-SECTION SURFACE DEFORMATION MO...
- Publication number 20180371907
- Publication date Dec 27, 2018
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Nong ZHANG
- E21 - EARTH DRILLING MINING