EZ

Edwin Zwald

Shell Oil Compny: 18 patents #130 of 4,423Top 3%
ET Enventure Global Technology: 4 patents #17 of 63Top 30%
Overall (All Time): #198,067 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7823659 Apparatus and methods for drilling and lining a wellbore Darrell Scott Costa, Kevin Waddell, Charles Butterfield, Mark Holland, Akindele Olufowoshe +2 more 2010-11-02
7779923 Methods and apparatus for anchoring and expanding tubular members Mark Holland, Gregory Marshall Noel 2010-08-24
7546881 Apparatus for radially expanding and plastically deforming a tubular member Sam S. Lloyd, Lev Ring, David Paul Brisco, Kevin Waddell, Robert Lance Cook +3 more 2009-06-16
7363690 Method and apparatus for forming a mono-diameter wellbore casing Robert Lance Cook, Lev Ring, Andrei Gregory Filippov, Kevin Waddell 2008-04-29
7363691 Method and apparatus for forming a mono-diameter wellbore casing Robert Lance Cook, Lev Ring, Andrei Gregory Filippov, Kevin Waddell 2008-04-29
7357190 Radial expansion of tubular members Robert Lance Cook, Richard Carl Haut, Lev Ring, Thomas Patrick Grant, III, Andrei Gregory Filippov 2008-04-15
7325602 Method and apparatus for forming a mono-diameter wellbore casing Robert Lance Cook, Lev Ring, Andrei Gregory Filippov, Kevin Waddell 2008-02-05
7308755 Apparatus for forming a mono-diameter wellbore casing Robert Lance Cook, Lev Ring, Andrei Gregory Filippov, Kevin Waddell 2007-12-18
7299881 Radial expansion of tubular members Robert Lance Cook, Richard Carl Haut, Lev Ring, Thomas Patrick Grant, III, Andrei Gregory Filippov 2007-11-27
7275601 Radial expansion of tubular members Robert Lance Cook, Richard Carl Haut, Lev Ring, Thomas Patrick Grant, III, Andrei Gregory Filippov 2007-10-02
7270188 Radial expansion of tubular members Robert Lance Cook, Richard Carl Haut, Lev Ring, Thomas Patrick Grant, III, Andrei Gregory Filippov 2007-09-18
7246667 Radial expansion of tubular members Robert Lance Cook, Richard Carl Haut, Lev Ring, Thomas Patrick Grant, III, Andrei Gregory Filippov 2007-07-24
7231985 Radial expansion of tubular members Robert Lance Cook, Richard Carl Haut, Lev Ring, Thomas Patrick Grant, III, Andrei Gregory Filippov 2007-06-19
7204007 Method and apparatus for forming a mono-diameter wellbore casing Robert Lance Cook, Lev Ring, Andrei Gregory Filippov, Kevin Waddell 2007-04-17
7201223 Method and apparatus for forming a mono-diameter wellbore casing Robert Lance Cook, Lev Ring, Andrei Gregory Filippov, Kevin Waddell 2007-04-10
7172024 Mono-diameter wellbore casing Robert Lance Cook, Kevin Waddell, Lev Ring, Andrei Gregory Filippov 2007-02-06
7172021 Liner hanger with sliding sleeve valve David Paul Brisco, Chan Daigle, Gregory Marshall Noel, William J. Dean, Andrei Gregory Filippov +6 more 2007-02-06
7172019 Method and apparatus for forming a mono-diameter wellbore casing Robert Lance Cook, Lev Ring, Andrei Gregory Filippov, Kevin Waddell 2007-02-06
7168499 Radial expansion of tubular members Robert Lance Cook, Richard Carl Haut, Lev Ring, Thomas Patrick Grant, III, Andrei Gregory Filippov 2007-01-30
7146702 Method and apparatus for forming a mono-diameter wellbore casing Robert Lance Cook, Lev Ring, Andrei Gregory Filippov, Kevin Waddell 2006-12-12
7100685 Mono-diameter wellbore casing Robert Lance Cook, Lev Ring, Andrei Gregory Filippov, Kevin Waddell 2006-09-05
6976541 Liner hanger with sliding sleeve valve David Paul Brisco, Chan Daigle, Gregory Marshall Noel, William J. Dean, Andrei Gregory Filippov +6 more 2005-12-20