DS

David Schulte

VI Varco I/P: 26 patents #3 of 168Top 2%
TI Tuboscope I/P: 21 patents #1 of 31Top 4%
Overall (All Time): #61,083 of 4,157,543Top 2%
47
Patents All Time

Issued Patents All Time

Showing 25 most recent of 47 patents

Patent #TitleCo-InventorsDate
8622220 Vibratory separators and screens Thomas Robert Larson, Paul William Dufilho 2014-01-07
7980392 Shale shaker screens with aligned wires Thomas Robert Larson 2011-07-19
7520391 Screen assembly for vibratory separator Thomas C. Adams, Kerry Ward, Kenneth W. Seyffert, Charles N. Grichar, Vincent D. Leone +3 more 2009-04-21
7216767 Screen basket and shale shakers Charles N. Grichar, Guy L. McClung, III 2007-05-15
7198156 Dam basket for vibratory separators Charles N. Grichar, Richard James Koch, Guy L. McClung, III 2007-04-03
7063214 Interlocking screens for vibratory separators Guy L. McClung, III 2006-06-20
7000776 Screen assembly for vibratory separators Joseph C. Winkler, Thomas C. Adams, Kenneth W. Seyffert, David W. Largent, Charles N. Grichar +1 more 2006-02-21
7000777 Vibratory separator screens Thomas C. Adams, Kenneth W. Seyffert, David Wayne Laragent, Guy L. McClung, III 2006-02-21
6932883 Screens for vibratory separators Thomas C. Adams, Kerry Ward, Kenneth W. Seyffert, Charles N. Gricher, Vincent D. Leone +2 more 2005-08-23
6892888 Screen with unibody structure Thomas C. Adams, Kenneth W. Seyffert, Guy L. McClung, III 2005-05-17
6863183 Shale shaker Charles N. Gridhar 2005-03-08
6811032 Shaker roll screen Guy L. McClung, III 2004-11-02
6736270 Glued screens for shale shakers Thomas C. Adams, Kerry Ward, Kenneth W. Seyffert, David W. Largent, Charles N. Grichar +3 more 2004-05-18
6722504 Vibratory separators and screens Thomas C. Adams, Kenneth W. Seyffert, David W. Largent, Guy L. McClung, III, Jeffrey E. Walker +1 more 2004-04-20
6715611 Vibratory separator Mark Crabbe, Charles N. Grichar 2004-04-06
6669985 Methods for making glued shale shaker screens Thomas C. Adams, Kerry Ward, Kenneth W. Seyffert, David W. Largent, Charles N. Grichar +3 more 2003-12-30
6629610 Screen with ramps for vibratory separator system Thomas C. Adams, David W. Largent, Kenneth W. Seyffert, Guy L. McClung, III 2003-10-07
6607080 Screen assembly for vibratory separators Joseph C. Winkler, Thomas C. Adams, Kenneth W. Seyffert, David W. Largent, Charles N. Grichar +1 more 2003-08-19
6601709 Screen support and screens for shale shakers Guy L. McClung, III 2003-08-05
6581781 Vibrator separator screens Thomas C. Adams, Kenneth W. Seyffert, David W. Largent, Guy L. McClung, III 2003-06-24
6565698 Method for making vibratory separator screens Thomas C. Adams, Kenneth W. Seyffert, David W. Largent, Charles N. Grichar, Vincent D. Leone +2 more 2003-05-20
6530483 Unibody structure for screen assembly Thomas C. Adams, Kenneth W. Seyffert, David W. Largent, Guy L. McClung, III, Jeffrey E. Walker +1 more 2003-03-11
6510947 Screens for vibratory separators Thomas C. Adams, David W. Largent 2003-01-28
6457588 Treatment of fluid having lost circulation material Thomas C. Adams, David W. Largent 2002-10-01
6458283 Lost circulation fluid treatment Thomas C. Adams, David W. Largent 2002-10-01