LR

Lev Ring

Shell Oil Compny: 68 patents #15 of 4,423Top 1%
ET Enventure Global Technology: 32 patents #1 of 63Top 2%
WE Weatherford/Lamb: 29 patents #10 of 852Top 2%
WH Weatherford Technology Holdings: 23 patents #6 of 753Top 1%
SG Sage Geosystems: 3 patents #2 of 4Top 50%
UK University Of Kentucky: 1 patents #424 of 1,057Top 45%
📍 Bellaire, TX: #3 of 352 inventorsTop 1%
🗺 Texas: #151 of 125,132 inventorsTop 1%
Overall (All Time): #5,451 of 4,157,543Top 1%
159
Patents All Time

Issued Patents All Time

Showing 101–125 of 159 patents

Patent #TitleCo-InventorsDate
7216701 Apparatus for expanding a tubular member Robert Lance Cook, David Paul Brisco, R. Bruce Stewart, Richard Carl Haut, Robert Donald Mack +1 more 2007-05-15
7204007 Method and apparatus for forming a mono-diameter wellbore casing Robert Lance Cook, Edwin Zwald, Andrei Gregory Filippov, Kevin Waddell 2007-04-17
7201223 Method and apparatus for forming a mono-diameter wellbore casing Robert Lance Cook, Edwin Zwald, Andrei Gregory Filippov, Kevin Waddell 2007-04-10
7198100 Apparatus for expanding a tubular member Robert Lance Cook, David Paul Brisco, R. Bruce Stewart, Richard Carl Haut, Robert Donald Mack +1 more 2007-04-03
7195064 Mono-diameter wellbore casing Robert Lance Cook 2007-03-27
7195061 Apparatus for expanding a tubular member Robert Lance Cook, David Paul Brisco, R. Bruce Stewart, Richard Carl Haut, Robert Donald Mack +1 more 2007-03-27
7185710 Mono-diameter wellbore casing Robert Lance Cook 2007-03-06
7174964 Wellhead with radially expanded tubulars Robert Lance Cook, David Paul Brisco, R. Bruce Stewart, Richard Carl Haut, Robert Donald Mack 2007-02-13
7172024 Mono-diameter wellbore casing Robert Lance Cook, Edwin Zwald, Kevin Waddell, Andrei Gregory Filippov 2007-02-06
7172021 Liner hanger with sliding sleeve valve David Paul Brisco, Edwin Zwald, Chan Daigle, Gregory Marshall Noel, William J. Dean +6 more 2007-02-06
7172019 Method and apparatus for forming a mono-diameter wellbore casing Robert Lance Cook, Edwin Zwald, Andrei Gregory Filippov, Kevin Waddell 2007-02-06
7168499 Radial expansion of tubular members Robert Lance Cook, Richard Carl Haut, Thomas Patrick Grant, III, Edwin Zwald, Andrei Gregory Filippov 2007-01-30
7168496 Liner hanger Robert Lance Cook, David Paul Brisco 2007-01-30
7159667 Method of coupling a tubular member to a preexisting structure Robert Lance Cook, David Paul Brisco, R. Bruce Stewart, Richard Carl Haut, Robert Donald Mack +1 more 2007-01-09
7159665 Wellbore casing Robert Lance Cook, David Paul Brisco, R. Bruce Stewart, Richard Carl Haut, Robert Donald Mack 2007-01-09
7147053 Wellhead Robert Lance Cook, David Paul Brisco, R. Bruce Stewart, Richard Carl Haut, Robert Donald Mack 2006-12-12
7146702 Method and apparatus for forming a mono-diameter wellbore casing Robert Lance Cook, Edwin Zwald, Andrei Gregory Filippov, Kevin Waddell 2006-12-12
7121352 Isolation of subterranean zones Robert Lance Cook, Kevin Waddell, David Paul Brisco, Vikram Rao 2006-10-17
7121337 Apparatus for expanding a tubular member Robert Lance Cook, David Paul Brisco, R. Bruce Stewart, Richard Carl Haut, Robert Donald Mack +1 more 2006-10-17
7108072 Lubrication and self-cleaning system for expansion mandrel Robert Lance Cook, David Paul Brisco, R. Bruce Stewart, Reece E. Wyant, James J. W. Nahm +4 more 2006-09-19
7108061 Expander for a tapered liner with a shoe Robert Lance Cook, David Paul Brisco, R. Bruce Stewart, Richard Carl Haut, Robert Donald Mack 2006-09-19
7100685 Mono-diameter wellbore casing Robert Lance Cook, Edwin Zwald, Andrei Gregory Filippov, Kevin Waddell 2006-09-05
7100684 Liner hanger with standoffs Robert Lance Cook 2006-09-05
7077211 Method of creating a casing in a borehole Robert Lance Cook, David Paul Brisco, R. Bruce Stewart, Richard Carl Haut, Robert Donald Mack +1 more 2006-07-18
7077213 Expansion cone for radially expanding tubular members Robert Lance Cook, David Paul Brisco, Alan B. Duell, Andrei Gregory Filippov 2006-07-18