Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8028764 | Methods and apparatuses for estimating drill bit condition | — | 2011-10-04 |
| 8016050 | Methods and apparatuses for estimating drill bit cutting effectiveness | — | 2011-09-13 |
| 8006781 | Method of monitoring wear of rock bit cutters | Terry Hunt | 2011-08-30 |