Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8118994 | Compositions, configurations, and methods of reducing naphtenic acid corrosivity | Barry Messer, Bart Tarleton | 2012-02-21 |
| 6148938 | Wear resistant cutter insert structure and method | — | 2000-11-21 |
| 6102140 | Inserts and compacts having coated or encrusted diamond particles | James Edward Boyce, Richard David Mittan | 2000-08-15 |
| 5644956 | Rotary drill bit with improved cutter and method of manufacturing same | Mark P. Blackman, Jay S. Bird | 1997-07-08 |
| 5641029 | Rotary cone drill bit modular arm | Jay S. Bird | 1997-06-24 |
| D372253 | Support arm and rotary cone for modular drill bit | Alan D. Huffstutler, Harry M. Campos, Jr., Jay S. Bird | 1996-07-30 |
| 5518077 | Rotary drill bit with improved cutter and seal protection | Mark P. Blackman, Jay S. Bird | 1996-05-21 |
| 5452771 | Rotary drill bit with improved cutter and seal protection | Mark P. Blackman, Jay S. Bird | 1995-09-26 |
| 5429200 | Rotary drill bit with improved cutter | Mark P. Blackman, Jay S. Bird | 1995-07-04 |
| 4818630 | Seamless oriented metal fiber structure | — | 1989-04-04 |