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 51–75 of 159 patents

Patent #TitleCo-InventorsDate
7798238 Apparatus and methods to protect connections Merle E. Evans, John R. Setterberg, Jr., Ghazi J. Hashem, Richard W. DeLange 2010-09-21
7798225 Apparatus and methods for creation of down hole annular barrier Richard L. Giroux 2010-09-21
7779909 Liner hanger Gregory Marshall Noel, Robert Lance Cook, David Paul Brisco 2010-08-24
7757774 Method of completing a well 2010-07-20
7740076 Protective sleeve for threaded connections for expandable liner hanger Scott Costa, Joel Hockaday, Kevin Waddell, Michael Bullock, Robert Lance Cook +3 more 2010-06-22
7739917 Pipe formability evaluation for expandable tubulars Mark Shuster 2010-06-22
7699113 Apparatus and methods for running liners in extended reach wells 2010-04-20
7686076 Expandable tubulars for use in a wellbore Patrick L. York, Robert L. Cuthbertson 2010-03-30
7681648 Method of monodiameter well construction 2010-03-23
7665532 Pipeline Robert Lance Cook, David Paul Brisco, R. Bruce Stewart, Richard Carl Haut, Robert Donald Mack +1 more 2010-02-23
7603758 Method of coupling a tubular member Robert Lance Cook, David Paul Brisco, R. Bruce Stewart, Richard Carl Haut, Robert Donald Mack +1 more 2009-10-20
7571774 Self-lubricating expansion mandrel for expandable tubular Mark Shuster 2009-08-11
7556092 Flow control system for an apparatus for radially expanding tubular members Robert Lance Cook, David Paul Brisco, Michael Bullock 2009-07-07
7546881 Apparatus for radially expanding and plastically deforming a tubular member Sam S. Lloyd, David Paul Brisco, Kevin Waddell, Robert Lance Cook, Brock Watson +3 more 2009-06-16
7543637 Methods for expanding tubular strings and isolating subterranean zones Annabel Green, Colin McHardy, Simon J. Harrall, Gary Johnston, Neil A. A. Simpson 2009-06-09
7516790 Mono-diameter wellbore casing Robert Lance Cook, William J. Dean, Kevin Waddell 2009-04-14
7506687 System for radially expanding a tubular member 2009-03-24
7475723 Apparatus and methods for creation of down hole annular barrier Robert Lance Cook 2009-01-13
7452007 Hybrid threaded connection for expandable tubulars Ghazi J. Hashem, John R. Setterberg, Jr. 2008-11-18
7438132 Concentric pipes expanded at the pipe ends and method of forming Robert Lance Cook, David Paul Brisco, R. Bruce Stewart, Richard Carl Haut, Robert Donald Mack +1 more 2008-10-21
7434618 Apparatus for expanding a tubular member Robert Lance Cook, David Paul Brisco, R. Bruce Stewart, Richard Carl Haut, Robert Donald Mack +1 more 2008-10-14
7424918 Interposed joint sealing layer method of forming a wellbore casing Mark Shuster, Scott Costa 2008-09-16
7419009 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 2008-09-02
7416027 Adjustable expansion cone assembly David Paul Brisco, Kevin Waddell, Robert Lance Cook 2008-08-26
7410000 Mono-diameter wellbore casing Robert Lance Cook 2008-08-12