Assignee
Guangzhou Marine Geological Survey
CN·7 granted patents·3 citations·filing 2019–2022
Top patents by PatentIndex Score
7 records- 0168US11085862B2Natural gas hydrate-bearing sediment intergranular micro-force testing device and testing method thereofGuangzhou Marine Geological Survey·Filed 2019·Granted Aug 10, 2021·1 cites·9 claims
- 0264US10822903B2Natural gas hydrate rotary pressure-retaining corerGuangzhou Marine Geological Survey·Filed 2019·Granted Nov 3, 2020·2 cites·10 claims
- 0345US11549649B2Device and method for detecting and ablating hydrates in natural gas pipelineGuangzhou Marine Geological Survey·Filed 2021·Granted Jan 10, 2023·0 cites·9 claims
- 0445US11162876B2Long-term in-situ sampling and analysis device for sediment pore water and method thereofGuangzhou Marine Geological Survey·Filed 2019·Granted Nov 2, 2021·0 cites·10 claims
- 0540US11649726B1Application method of device for accurately evaluating vertical content distribution of undersea hydrate reservoirGuangzhou Marine Geological Survey·Filed 2022·Granted May 16, 2023·0 cites·6 claims
- 0633US10837247B2Natural gas hydrate pressure-retaining corerGuangzhou Marine Geological Survey·Filed 2019·Granted Nov 17, 2020·0 cites·10 claims
- 0730US11959346B2Method for offshore dual-drive core drilling with three layers of casings under surge compensationGuangzhou Marine Geological Survey·Filed 2021·Granted Apr 16, 2024·0 cites·7 claims
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