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 26–50 of 159 patents

Patent #TitleCo-InventorsDate
9187988 Compliant cone system Nader E. Abedrabbo, Varadaraju Gandikota 2015-11-17
8975861 Power source for completion applications Sorin Gabriel Teodorescu 2015-03-10
8967281 Expandable packer Varadaraju Gandikota 2015-03-03
8899336 Anchor for use with expandable tubular Richard L. Giroux, Larry Kendziora 2014-12-02
8875783 Expansion system for an expandable tubular assembly Richard L. Giroux, Varadaraju Gandikota, Nader E. Abedrabbo, Larry Kendziora 2014-11-04
8839870 Apparatus and methods for running liners in extended reach wells 2014-09-23
8800669 System and method to expand tubulars below restrictions Varadaraju Gandikota 2014-08-12
8783343 Tools and methods for hanging and/or expanding liner strings Richard L. Giroux, Michael Lynch 2014-07-22
8627890 Rotating continuous flow sub Thomas F. Bailey, Mark A. Mitchell, David Pavel, Ram K. Bansal, David Iblings 2014-01-14
8567515 Tools and methods for hanging and/or expanding liner strings Richard L. Giroux, Michael Lynch 2013-10-29
8499844 Expandable packer Varadaraju Gandikota 2013-08-06
8443881 Expandable liner hanger and method of use Gordon Thomson, Varadaraju Gandikota, Paul Andrew Reinhardt, Mike A. Luke, David S. Li 2013-05-21
8356663 Compliant expansion swage Varadaraju Gandikota, Mike A. Luke, David S. Li 2013-01-22
8286717 Tools and methods for hanging and/or expanding liner strings Richard L. Giroux, Michael Lynch 2012-10-16
8205680 Expandable connection Robert Lance Cook, David Paul Brisco, R. Bruce Stewart, Robert Donald Mack, Alan B. Duell +3 more 2012-06-26
8201636 Expandable packer Varadaraju Gandikota 2012-06-19
8181707 Apparatus and methods to protect connections Merle E. Evans, John R. Setterberg, Jr., Ghazi J. Hashem, Richard W. DeLange 2012-05-22
8162067 System and method to expand tubulars below restrictions Varadaraju Gandikota 2012-04-24
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
7798225 Apparatus and methods for creation of down hole annular barrier Richard L. Giroux 2010-09-21