Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8245796 | Tractor with improved valve system | Philip Wayne Mock, Rudolph Ernst Krueger, V, Duane Bloom, Robert Levay | 2012-08-21 |
| 8119047 | In-situ method of forming a non-rotating drill pipe protector assembly | Eric O'Neal, Sarah Mitchell | 2012-02-21 |
| 7954563 | Roller link toggle gripper and downhole tractor | Philip Wayne Mock, Duane Bloom | 2011-06-07 |
| 7607497 | Roller link toggle gripper and downhole tractor | Philip Wayne Mock, Duane Bloom | 2009-10-27 |
| 7392859 | Roller link toggle gripper and downhole tractor | Philip Wayne Mock, Duane Bloom | 2008-07-01 |
| 7343982 | Tractor with improved valve system | Phil Mock, Rudolph Ernst Krueger, V, Duane Bloom | 2008-03-18 |
| 7121364 | Tractor with improved valve system | Phil Mock, Ernst R. Krueger, V, Duane Bloom | 2006-10-17 |
| 6942044 | Three-dimensional steering tool for controlled downhole extended-reach directional drilling | R. Ernst Krueger, Ronald E. Beaufort | 2005-09-13 |
| 6708783 | Three-dimensional steering tool for controlled downhole extended-reach directional drilling | R. Ernst Krueger, Ronald E. Beaufort | 2004-03-23 |
| 6470974 | Three-dimensional steering tool for controlled downhole extended-reach directional drilling | R. Ernst Krueger, Ronald E. Beaufort | 2002-10-29 |
| 6467557 | Long reach rotary drilling assembly | R. Ernst Krueger, Ronald E. Beaufort, Duane Bloom | 2002-10-22 |
| 5803193 | Drill pipe/casing protector assembly | R. Ernst Krueger | 1998-09-08 |
| 5692563 | Tubing friction reducer | R. Ernst Krueger | 1997-12-02 |