Issued Patents 2002
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6478097 | Electrically sequenced tractor | Duane Bloom, Ronald E. Beaufort | 2002-11-12 |
| 6464003 | Gripper assembly for downhole tractors | Duane Bloom, Rudolph Ernst Krueger, V | 2002-10-15 |
| 6431291 | Packerfoot with bladder assembly having reduced likelihood of bladder delamination | Phillip W. Mock | 2002-08-13 |
| 6427786 | Electro-hydraulically controlled tractor | Ronald E. Beaufort, Duane Bloom | 2002-08-06 |
| 6378633 | Drill pipe protector assembly | Andrew Dale Fuller | 2002-04-30 |
| 6347674 | Electrically sequenced tractor | Duane Bloom, Ronald E. Beaufort | 2002-02-19 |