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 126–150 of 159 patents

Patent #TitleCo-InventorsDate
7063142 Method of applying an axial force to an expansion cone Robert Lance Cook, David Paul Brisco, Michael Bullock 2006-06-20
7055608 Forming a wellbore casing while simultaneously drilling a wellbore Robert Lance Cook, David Paul Brisco, R. Bruce Stewart, Richard Carl Haut, Robert Donald Mack +1 more 2006-06-06
7048067 Wellbore casing repair Robert Lance Cook, David Paul Brisco, R. Bruce Stewart, Reece E. Wyant, James Jang Woo Nahm +6 more 2006-05-23
7048062 Method of selecting tubular members Robert Donald Mack, Andrei Gregory Filippov 2006-05-23
7044218 Apparatus for radially expanding tubular members Robert Lance Cook, David Paul Brisco, Robert Donald Mack, Alan B. Duell, Andrei Gregory Filippov 2006-05-16
7044221 Apparatus for coupling a tubular member to a preexisting structure Robert Lance Cook, David Paul Brisco, Michael Bullock 2006-05-16
7040396 Apparatus for releasably coupling two elements Robert Lance Cook, David Paul Brisco, Michael Bullock 2006-05-09
7036582 Expansion cone for radially expanding tubular members Robert Lance Cook, David Paul Brisco, Alan B. Duell, Andrei Gregory Filippov 2006-05-02
7021390 Tubular liner for wellbore casing Robert Lance Cook, David Paul Brisco, R. Bruce Stewart, Richard Carl Haut, Robert Donald Mack 2006-04-04
7011161 Structural support Robert Donald Mack, Andrei Gregory Filippov 2006-03-14
6976541 Liner hanger with sliding sleeve valve David Paul Brisco, Edwin Zwald, Chan Daigle, Gregory Marshall Noel, William J. Dean +6 more 2005-12-20
6968618 Expandable connector Robert Lance Cook, David Paul Brisco, R. Bruce Stewart, Richard Carl Haut, Robert Donald Mack +2 more 2005-11-29
6966370 Apparatus for actuating an annular piston Robert Lance Cook, David Paul Brisco, Michael Bullock 2005-11-22
6892819 Forming a wellbore casing while simultaneously drilling a wellbore Robert Lance Cook, David Paul Brisco, R. Bruce Stewart, Andrei Gregory Filippov, Alan B. Duell 2005-05-17
6857473 Method of coupling a tubular member to a preexisting structure Robert Lance Cook, David Paul Brisco, Michael Bullock 2005-02-22
6823937 Wellhead Robert Lance Cook, David Paul Brisco, R. Bruce Stewart, Richard Carl Haut, Robert Donald Mack 2004-11-30
6758278 Forming a wellbore casing while simultaneously drilling a wellbore Robert Lance Cook, David Paul Brisco, Michael Bullock 2004-07-06
6745845 Isolation of subterranean zones Robert Lance Cook, Kevin Waddell, David Paul Brisco 2004-06-08
6739392 Forming a wellbore casing while simultaneously drilling a wellbore Robert Lance Cook, R. Bruce Stewart 2004-05-25
6725919 Forming a wellbore casing while simultaneously drilling a wellbore Robert Lance Cook, David Paul Brisco, Michael Bullock 2004-04-27
6705395 Wellbore casing Robert Lance Cook, David Paul Brisco, Michael Bullock 2004-03-16
6695012 Lubricant coating for expandable tubular members Andrei Gregory Filippov, Mike D. Cowan, Bill Dean 2004-02-24
6684947 Apparatus for radially expanding a tubular member Robert Lance Cook, David Paul Brisco, Michael Bullock 2004-02-03
6640903 Forming a wellbore casing while simultaneously drilling a wellbore Robert Lance Cook, David Paul Brisco, R. Bruce Stewart, Robert Donald Mack, Alan B. Duell +1 more 2003-11-04
6634431 Isolation of subterranean zones Robert Lance Cook, Kevin Waddell, David Paul Brisco 2003-10-21