Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11518562 | Sterile packaging of fluent materials | Paul Newman | 2022-12-06 |
| 9782857 | Hybrid drill bit having increased service life | Don Q. Nguyen, Carl E. Poteet, III, Eric C. Sullivan, John F. Bradford, Alan J. Massey +1 more | 2017-10-10 |
| 7543660 | Roller cone drill bit with debris diverter plugs | Michael B. Crawford, Mark E. Williams, William C. Saxman, Gerald L. Pruitt | 2009-06-09 |
| 7484572 | Roller cone drill bit with debris flow paths through associated support arms | Mark E. Williams, William C. Saxman, Michael B. Crawford, Gerald L. Pruitt, William W. King +1 more | 2009-02-03 |
| 6802380 | Pressure relief system and methods of use and making | — | 2004-10-12 |
| 6752223 | Roller cone bit with improved seal gland design | Amiya K. Panigrahi, Guy Lefort | 2004-06-22 |
| 6279671 | Roller cone bit with improved seal gland design | Amiya K. Panigrahi, Guy Lefort | 2001-08-28 |
| 5644956 | Rotary drill bit with improved cutter and method of manufacturing same | Jay S. Bird, Michael S. Beaton | 1997-07-08 |
| 5518077 | Rotary drill bit with improved cutter and seal protection | Jay S. Bird, Michael S. Beaton | 1996-05-21 |
| 5452771 | Rotary drill bit with improved cutter and seal protection | Jay S. Bird, Michael S. Beaton | 1995-09-26 |
| 5429200 | Rotary drill bit with improved cutter | Jay S. Bird, Michael S. Beaton | 1995-07-04 |