DW

David Walker

BS Bj Services: 6 patents #25 of 250Top 10%
BU Bj Services Company, U.S.A.: 3 patents #6 of 44Top 15%
OS Osca: 3 patents #1 of 16Top 7%
RT R.P. Scherer Technologies: 2 patents #84 of 176Top 50%
CU Columbia University: 1 patents #1,151 of 2,492Top 50%
QU Qualcomm: 1 patents #7,512 of 12,104Top 65%
Overall (All Time): #229,168 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12263646 Devices, systems, and methods for multi-projector three dimensional printing Michael Flynn, Jay VALDILLEZ 2025-04-01
11472119 Devices, systems, and methods for multi-projector three dimensional printing Michael Flynn, Jay VALDILLEZ 2022-10-18
9524463 Methods and systems for automating carbon footprinting Christoph Johannes MEINRENKEN, Klaus S. Lackner, Robert Christian ter Kuile 2016-12-20
9219674 Packet detection in the presence of interferers Vinayak Chowdiah, Gregory Alan Breit 2015-12-22
7543647 Multi-zone, single trip well completion system and methods of use 2009-06-09
7490669 Multi-zone, single trip well completion system and methods of use Dewayne Turner, Gregg W. Stout, Todd Ulrich Chretien, Christopher L. Blackler, Jack Robbins +1 more 2009-02-17
7472750 Single trip horizontal gravel pack and stimulation system and method Wade Rebardi, Marvin Bryce Traweek, Floyd Bishop 2009-01-06
7331388 Horizontal single trip system with rotating jetting tool Alvaro Jose Vilela, Wade Rebardi, Marvin Bryce Traweek, Floyd Bishop 2008-02-19
7210527 Single trip horizontal gravel pack and stimulation system and method Wade Rebardi, Marvin Bryce Traweek, Floyd Bishop 2007-05-01
7150326 Bi-directional ball seat system and method Floyd Bishop, Marvin Bryce Traweek, Richard J. Ross, Dewayne Turner 2006-12-19
7021389 Bi-directional ball seat system and method Floyd Bishop, Marvin Bryce Traweek, Richard J. Ross, Dewayne Turner 2006-04-04
7017664 Single trip horizontal gravel pack and stimulation system and method Wade Rebardi, Marvin Bryce Traweek, Floyd Bishop 2006-03-28
6884060 Apparatus for manufacturing encapsulated products Keith Tanner, Steve Burnett, Peter Beke, Norman S. Stroud, Mani Sundararajan 2005-04-26
6568474 Rigless one-trip perforation and gravel pack system and method Kevin R. George, Stanley Wall, Marvin Bryce Traweek, Barry Ed Smith, David Hebert 2003-05-27
6405800 Method and apparatus for controlling fluid flow in a well Dewayne Turner, Marvin Bryce Traweek 2002-06-18
6397949 Method and apparatus for production using a pressure actuated circulating valve Dewayne Turner, William David Henderson, Mike Ritter 2002-06-04
6302208 Gravel pack isolation system William Mark Richards 2001-10-16
6206100 Separable one-trip perforation and gravel pack system and method Kevin R. George, Stanley Wall, Marvin Bryce Traweek, Barry Ed Smith, Stephen C. Yeary 2001-03-27
5735105 Encapsulation apparatus and process Norman S. Stroud, Kelvin Royce Garnett, Arthur J. Burnett, Anthony Wood 1998-04-07