YI CHENG

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Patents Grantslast 30 patents

Information Patent Grant
Model test device for ground collapse caused by pipeline leakage
- Patent number 11,835,508
- Issue date Dec 5, 2023
- China University of Geosciences
- Fei Tan
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus and method for testing pressure change rate of component...
- Patent number 11,692,891
- Issue date Jul 4, 2023
- Wuhan University of Technology
- Jian Hu
- B60 - VEHICLES IN GENERAL
Information Patent Grant
High-efficiency pre-drilling pressure meter test apparatus and meth...
- Patent number 10,914,164
- Issue date Feb 9, 2021
- China University of Geosciences (Wuhan)
- Junpeng Zou
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
APPARATUS AND METHOD FOR TESTING PRESSURE CHANGE RATE OF COMPONENT...
- Publication number 20220244121
- Publication date Aug 4, 2022
- WUHAN UNIVERSITY OF TECHNOLOGY
- Jian HU
- B60 - VEHICLES IN GENERAL
Information Patent Application
MODEL TEST DEVICE FOR GROUND COLLAPSE CAUSED BY PIPELINE LEAKAGE
- Publication number 20220179122
- Publication date Jun 9, 2022
- China University Of Geosciences
- Fei Tan
- G01 - MEASURING TESTING
Information Patent Application
HIGH-EFFICIENCY PRE-DRILLING PRESSURE METER TEST APPARATUS AND METH...
- Publication number 20190316462
- Publication date Oct 17, 2019
- CHINA UNIVERSITY OF GEOSCIENCES (WUHAN)
- JUNPENG ZOU
- E21 - EARTH DRILLING MINING