Jian Liang

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Tianjin, CN

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Patents Grantslast 30 patents

Information Patent Grant
Directly connected drill pipe applicable to extreme conditions
- Patent number 11,697,970
- Issue date Jul 11, 2023
- Institute of Exploration Techniques, Chinese Academy of Geological Sciences
- Hao Yin
- E21 - EARTH DRILLING MINING
Information Patent Grant
Wire-line core drilling tool
- Patent number 11,326,413
- Issue date May 10, 2022
- Institute of Exploration Techniques, Chinese Academy of Geological Sciences
- Xinmiao Li
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
DIRECTLY CONNECTED DRILL PIPE APPLICABLE TO EXTREME CONDITIONS
- Publication number 20220106841
- Publication date Apr 7, 2022
- Institute of Exploration Techniques, Chinese Academy of Geological Sciences
- Hao Yin
- E21 - EARTH DRILLING MINING
Information Patent Application
WIRE-LINE CORE DRILLING TOOL
- Publication number 20220098948
- Publication date Mar 31, 2022
- Institute of Exploration Techniques, Chinese Academy of Geological Sciences
- Xinmiao LI
- E21 - EARTH DRILLING MINING
Information Patent Application
DIRECTLY CONNECTED DRILL PIPE APPLICABLE TO EXTREME CONDITIONS
- Publication number 20210222500
- Publication date Jul 22, 2021
- Institute of Exploration Techniques, Chinese Academy of Geological Sciences
- Hao Yin
- E21 - EARTH DRILLING MINING