XL

Xi Lin Liu

NV National Oilwell Varco: 1 patents #11 of 46Top 25%
Overall (2021): #208,889 of 548,734Top 40%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11035183 Devices, systems, and methods for top drive clearing Robert Benjamin Donnally, Jay John Thiessen 2021-06-15