DD

Doug N. Derr

HS Halliburton Energy Services: 2 patents #2,138 of 4,711Top 50%
📍 Houston, TX: #8,651 of 21,073 inventorsTop 45%
🗺 Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #1,970,542 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9534488 Electromagnetic ranging source suitable for use in a drill string Andrew John Cuthbert, Joe E. Hess 2017-01-03
9222494 Method and system for rapid deployment of a capping stack Sean A. Roach 2015-12-29