Dewen ZHENG

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Monitoring system for deformations of gas storage
- Patent number 11,137,508
- Issue date Oct 5, 2021
- RESEARCH INSTITUTE OF PETROLEUM EXPLORATION & DEVELOPMENT, PETROCHINA COMPANY...
- Dewen Zheng
- G01 - MEASURING TESTING
Information Patent Grant
Acoustic sensor for rock crack detection
- Patent number 10,976,456
- Issue date Apr 13, 2021
- RESEARCH INSTITUTE OF PETROLEUM EXPLORATION & DEVELOPMENT, PETROCHINA COMPANY...
- Tongshan Wang
- G01 - MEASURING TESTING
Information Patent Grant
Monitoring system for deformations and destructions of gas storage
- Patent number 10,935,678
- Issue date Mar 2, 2021
- RESEARCH INSTITUTE OF PETROLEUM EXPLORATION & DEVELOPMENT, PETROCHINA COMPANY...
- Dewen Zheng
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
MONITORING SYSTEM FOR DEFORMATIONS OF GAS STORAGE
- Publication number 20190011581
- Publication date Jan 10, 2019
- Research Institute of Petroleum Exploration & Development, PetroChina Company...
- Dewen ZHENG
- G01 - MEASURING TESTING
Information Patent Application
MONITORING SYSTEM FOR DEFORMATIONS AND DESTRUCTIONS OF GAS STORAGE
- Publication number 20180372892
- Publication date Dec 27, 2018
- Research Institute of Petroleum Exploration & Development, PetroChina Company...
- Dewen ZHENG
- G01 - MEASURING TESTING
Information Patent Application
Acoustic sensor for rock crack detection
- Publication number 20180372894
- Publication date Dec 27, 2018
- Research Institute of Petroleum Exploration & Development, PetroChina Company...
- Tongshan WANG
- G01 - MEASURING TESTING