VL

Vincent D. Leone

VI Varco I/P: 6 patents #24 of 168Top 15%
EP Environmental Procedures: 4 patents #2 of 2Top 100%
TI Tuboscope I/P: 4 patents #9 of 31Top 30%
Overall (All Time): #301,207 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7520391 Screen assembly for vibratory separator David Schulte, Thomas C. Adams, Kerry Ward, Kenneth W. Seyffert, Charles N. Grichar +3 more 2009-04-21
6932883 Screens for vibratory separators Thomas C. Adams, Kerry Ward, Kenneth W. Seyffert, David Schulte, Charles N. Gricher +2 more 2005-08-23
6736270 Glued screens for shale shakers Thomas C. Adams, Kerry Ward, Kenneth W. Seyffert, David W. Largent, David Schulte +3 more 2004-05-18
6669985 Methods for making glued shale shaker screens Thomas C. Adams, Kerry Ward, Kenneth W. Seyffert, David W. Largent, David Schulte +3 more 2003-12-30
6565698 Method for making vibratory separator screens Thomas C. Adams, Kenneth W. Seyffert, David W. Largent, David Schulte, Charles N. Grichar +2 more 2003-05-20
6450345 Glue pattern screens and methods of production Thomas C. Adams, Kenneth W. Seyffert, David W. Largent, David Schulte, Charles N. Grichar +2 more 2002-09-17
6371302 Vibratory separator screens Thomas C. Adams, Kenneth W. Seyffert, David W. Largent, David Schulte, Jeffrey E. Walker +3 more 2002-04-16
6325216 Screen apparatus for vibratory separator Kenneth W. Seyffert, Thomas C. Adams, David W. Largent, David Schulte, Charles N. Grichar +2 more 2001-12-04
6032806 Screen apparatus for vibratory separator Thomas C. Adams, Jeffrey E. Walker, David Schulte, Charles N. Grichar, Kenneth W. Seyffert +1 more 2000-03-07
5971159 Screen assembly for a vibratory separator Thomas C. Adams, Jeffrey E. Walker, David Schulte, Charles N. Grichar, Kenneth W. Seyffert +1 more 1999-10-26
5598930 Shale shaker screen Jeffrey E. Walker, Charles N. Grichar, Kenneth W. Seyffert, Guy L. McClung, III 1997-02-04
D377656 Screen Kenneth W. Seyffert 1997-01-28
5551575 Shale shaker screens 1996-09-03
D366040 Screen Kenneth W. Seyffert 1996-01-09
5385669 Mining screen device and grid structure therefor 1995-01-31
4655923 Desilter apparatus including adaptor members for accommodating connection of cyclone separators of any diameter to manifold conduits having invariant diameters 1987-04-07