XL

Xi Lin Liui

NV National Oilwell Varco: 1 patents #240 of 551Top 45%
📍 Duyan, CN: #1 of 1 inventorsTop 100%
Overall (All Time): #3,220,058 of 4,157,543Top 80%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8250816 Drilling rig structure installation and methods Robert Benjamin Donnally, Chunqiao Ren, Stuart Arthur Lyall McCurdy, Hui SHENG, Yan Yu +1 more 2012-08-28