RS

Rick L. Stringfellow

VG Vetco Gray: 4 patents #55 of 364Top 20%
BO Baker Hughes Oilfield Operations: 1 patents #478 of 1,057Top 50%
Overall (All Time): #941,877 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11603731 Inserts for variable bore rams Elliot Yendell 2023-03-14
8322438 Riser buoyancy adjustable thrust column Eric Dale Larson, Jesse L. Bullard, Jim R. Reams 2012-12-04
8316948 Actuation assembly for riser connection dog Jesse L. Bullard, Tom A. Fraser, Brian N. Munk 2012-11-27
8312933 Marine drilling riser system Eric Dale Larson, Richard T. Trenholme 2012-11-20
7913767 System and method for connecting tubular members Eric Dale Larson, Richard T. Trenholme 2011-03-29