KD

Kerby J. Dufrene

Schlumberger Technology: 3 patents #1,953 of 7,293Top 30%
📍 Sugar Land, TX: #779 of 1,869 inventorsTop 45%
🗺 Texas: #40,946 of 125,132 inventorsTop 35%
Overall (All Time): #1,557,780 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7866708 Joining tubular members Craig D. Johnson, Matthew R. Hackworth, Michael Dean Langlais, David W. Wang, Laurent Alteirac +5 more 2011-01-11
7493959 Joining tubular members Craig D. Johnson, Matthew R. Hackworth, Michael Dean Langlais, David W. Wang, Laurent Alteirac +5 more 2009-02-24
6494256 Apparatus and method for zonal isolation Timothy Achee, Joseph E. Hayes, James Wenner 2002-12-17