GD

George Dotson

HP Helmerich & Payne: 3 patents #11 of 31Top 40%
Overall (All Time): #1,589,780 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7290621 Integrated mast and top drive for drilling rig Alan Orr 2007-11-06
6902007 Blow out preventer transportation Alan Orr 2005-06-07
6860337 Integrated mast and top drive for drilling rig Alan Orr 2005-03-01