Issued Patents 1994
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5361859 | Expandable gage bit for drilling and method of drilling | — | 1994-11-08 |
| 5355750 | Rolling cone bit with improved wear resistant inserts | Danny E. Scott, Redd H. Smith | 1994-10-18 |
| 5348108 | Rolling cone bit with improved wear resistant inserts | Danny E. Scott, Redd H. Smith | 1994-09-20 |
| 5337844 | Drill bit having diamond film cutting elements | — | 1994-08-16 |
| 5316095 | Drill bit cutting element with cooling channels | — | 1994-05-31 |
| 5314033 | Drill bit having combined positive and negative or neutral rake cutters | — | 1994-05-24 |
| 5285859 | Drill bit cutter mounting system providing selectable orientation of the cutting element | — | 1994-02-15 |
| 5284215 | Earth-boring drill bit with enlarged junk slots | — | 1994-02-08 |
| 5279375 | Multidirectional drill bit cutter | William R. Trujillo | 1994-01-18 |