Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6789680 | Screen assembly for vibratory separator | Kerry Ward, David Vernon Person, Douglas Graham | 2004-09-14 |
| 6769550 | Screen assemblies for shale shakers | Haynes Smith, James Adams, Charles N. Grichar, Kerry Ward, George Alexander Burnett +2 more | 2004-08-03 |
| 6736270 | Glued screens for shale shakers | Kerry Ward, Kenneth W. Seyffert, David W. Largent, David Schulte, Charles N. Grichar +3 more | 2004-05-18 |
| 6726029 | Separator screen with solids conveying end area | Howard Hiroshi Okabayshi, Guy L. McClung, III | 2004-04-27 |
| 6722504 | Vibratory separators and screens | David Schulte, Kenneth W. Seyffert, David W. Largent, Guy L. McClung, III, Jeffrey E. Walker +1 more | 2004-04-20 |