Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE42445 | Cutting structure for earth-boring bit to reduce tracking | Floyd C. Felderhoff, Rudolf Carl Pessier | 2011-06-14 |
| 7954571 | Cutting structures for casing component drillout and earth-boring drill bits including same | Eric E. McClain, Michael L. Doster, John C. Thomas, Jarod DeGeorge, Chad T. Jurica | 2011-06-07 |
| 7861809 | Rotary drag bit with multiple backup cutters | David Gavia, Ryan J. Hanford, Lane E. Snell, Jason E. Hoines, Eric E. McClain +1 more | 2011-01-04 |