Xuwen QIN

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Guangzhou City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Natural gas hydrate-bearing sediment intergranular micro-force test...
- Patent number 11,085,862
- Issue date Aug 10, 2021
- GUANGZHOU MARINE GEOLOGICAL SURVEY
- Jianliang Ye
- G01 - MEASURING TESTING
Information Patent Grant
Natural gas hydrate pressure-retaining corer
- Patent number 10,837,247
- Issue date Nov 17, 2020
- GUANGZHOU MARINE GEOLOGICAL SURVEY
- Xuwen Qin
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
METHANE MONITORING APPARATUS AND SYSTEM FOR STEREOSCOPIC AND REAL-T...
- Publication number 20230098916
- Publication date Mar 30, 2023
- Guangzhou Marine Geological Survey
- Qianyong Liang
- G01 - MEASURING TESTING
Information Patent Application
NATURAL GAS HYDRATE-BEARING SEDIMENT INTERGRANULAR MICRO-FORCE TES...
- Publication number 20200072734
- Publication date Mar 5, 2020
- Guangzhou Marine Geological Survey
- Jianliang YE
- G01 - MEASURING TESTING
Information Patent Application
NATURAL GAS HYDRATE PRESSURE-RETAINING CORER
- Publication number 20190368294
- Publication date Dec 5, 2019
- Guangzhou Marine Geological Survey
- Xuwen QIN
- E21 - EARTH DRILLING MINING