SM

Stuart Arthur Lyall McCurdy

NV National Oilwell Varco: 5 patents #42 of 551Top 8%
📍 Edmonton, CA: #381 of 2,912 inventorsTop 15%
Overall (All Time): #1,000,189 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
9441423 Drilling rig masts and methods of assembly and erection Robert Benjamin Donnally, Chunqiao Ren, Xi Lin Liu, Hui SHENG, Yan Yu 2016-09-13
8549815 Drilling rig masts and methods of assembly and erecting masts Robert Benjamin Donnally, Chunqiao Ren, Xi Lin Liu, Hui SHENG, Yan Yu 2013-10-08
8468753 Drilling rigs and erection methods Robert Benjamin Donnally, Chunqiao Ren, Xi Lin Liu, Hui SHENG, Yan Yu 2013-06-25
8250816 Drilling rig structure installation and methods Robert Benjamin Donnally, Chunqiao Ren, Xi Lin Liui, Hui SHENG, Yan Yu +1 more 2012-08-28
8047303 Drilling rig drawworks installation Robert Benjamin Donnally, Chunqiao Ren, Xi Lin Liu, Hui SHENG, Yan Yu 2011-11-01