DS

Derek Stuart

NV National Oilwell Varco: 2 patents #125 of 551Top 25%
📍 Banchory, GB: #48 of 166 inventorsTop 30%
Overall (All Time): #2,000,911 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9273529 Downhole pulse generating device Alan Martyn Eddison, Alan Kitching 2016-03-01
9004194 Downhole tractor Alan Martyn Eddison, David Coull 2015-04-14