Zhao Liu

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Changchun, CN

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Patents Grantslast 30 patents

Information Patent Grant
Downhole drilling tool system of torque self-balancing
- Patent number 10,724,300
- Issue date Jul 28, 2020
- Jilin University
- Ke Gao
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
SELF-GENERATING HEAT PROCESS FOR IN-SITU CONVERSION OF MEDIUM-LOW M...
- Publication number 20240240548
- Publication date Jul 18, 2024
- JILIN UNIVERSITY
- Wei Guo
- E21 - EARTH DRILLING MINING
Information Patent Application
DOWNHOLE DRILLING TOOL SYSTEM OF TORQUE SELF-BALANCING
- Publication number 20190063157
- Publication date Feb 28, 2019
- JILIN UNIVERSITY
- Ke Gao
- E21 - EARTH DRILLING MINING