Issued Patents 2011
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8047309 | Passive and active up-drill features on fixed cutter earth-boring tools and related systems and methods | James L. Overstreet, Kenneth E. Gilmore, John H. Stevens | 2011-11-01 |
| 8028769 | Reamer with stabilizers for use in a wellbore | Rudolf Carl Pessier, James L. Overstreet | 2011-10-04 |
| 7992658 | Pilot reamer with composite framework | — | 2011-08-09 |
| 7980333 | Bar trimmers on disk bit | James L. Overstreet | 2011-07-19 |
| 7938204 | Reamer with improved hydraulics for use in a wellbore | — | 2011-05-10 |
| 7878274 | Steel tooth disk with hardfacing | James L. Overstreet | 2011-02-01 |
| 7866417 | Self sharpening steel tooth cutting structure | James L. Overstreet | 2011-01-11 |