Jianglin ZHU

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ZHANJIANG, CN

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Patents Grantslast 30 patents

Information Patent Grant
Combined crushing super-variable-diameter drill bit for natural gas...
- Patent number 11,199,050
- Issue date Dec 14, 2021
- Southern Marine Science and Engineering Guangdong Laboratory (Zhanjiang)
- Guorong Wang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Automatic jet breaking tool for solid fluidization exploitation of...
- Patent number 11,193,333
- Issue date Dec 7, 2021
- SOUTHWEST PETROLEUM UNIVERSITY
- Yang Tang
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
COMBINED CRUSHING SUPER-VARIABLE-DIAMETER DRILL BIT FOR NATURAL GAS...
- Publication number 20210140244
- Publication date May 13, 2021
- Southern Marine Science and Engineering Guangdong Laboratory (Zhanjiang)
- Guorong WANG
- E21 - EARTH DRILLING MINING
Information Patent Application
AUTOMATIC JET BREAKING TOOL FOR SOLID FLUIDIZATION EXPLOITATION OF...
- Publication number 20210140243
- Publication date May 13, 2021
- SOUTHWEST PETROLEUM UNIVERSITY
- Yang TANG
- E21 - EARTH DRILLING MINING