LR

Lev Ring

ET Enventure Global Technology: 3 patents #2 of 14Top 15%
WE Weatherford/Lamb: 3 patents #12 of 150Top 8%
📍 Bellaire, TX: #4 of 43 inventorsTop 10%
🗺 Texas: #310 of 11,512 inventorsTop 3%
Overall (2011): #11,169 of 364,097Top 4%
6
Patents 2011

Issued Patents 2011

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
8047281 Sleeve for expandable tubular threaded connection and method of expanding tubular thereof Scott Costa, Joel Hockaday, Kevin Waddell, Michael Bullock, Robert Lance Cook +2 more 2011-11-01
8020625 Monobore construction with dual expanders Carel W. Hoyer 2011-09-20
8006771 Methods for expanding tubular strings and isolating subterranean zones Annabel Green, Colin McHardy, Simon J. Harrall, Gary Johnston, Neil A. A. Simpson 2011-08-30
7980302 Compliant expansion swage Varadaraju Gandikota, Mike A. Luke, David S. Li 2011-07-19
7967064 Apparatus for radially expanding and plastically deforming a tubular member Robert Lance Cook, David Paul Brisco, R. Bruce Stewart, Richard Carl Haut, Robert Donald Mack +1 more 2011-06-28
7918284 Protective sleeve for threaded connections for expandable liner hanger Scott Costa, Joel Hockaday, Kevin Waddell, Michael Bullock, Robert Lance Cook +3 more 2011-04-05