Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9109413 | Methods of forming components and portions of earth-boring tools including sintered composite materials | Jimmy W. Eason, James C. Westhoff | 2015-08-18 |
| 7829013 | Components of earth-boring tools including sintered composite materials and methods of forming such components | Jimmy W. Eason, James C. Westhoff | 2010-11-09 |
| 7691173 | Consolidated hard materials, earth-boring rotary drill bits including such hard materials, and methods of forming such hard materials | Jimmy W. Eason, James C. Westhoff | 2010-04-06 |
| 7556668 | Consolidated hard materials, methods of manufacture, and applications | Jimmy W. Eason, James C. Westhoff | 2009-07-07 |
| 4591481 | Metallurgical process | — | 1986-05-27 |
| 4579713 | Method for carbon control of carbide preforms | — | 1986-04-01 |
| 4575449 | Metallurgical process | — | 1986-03-11 |
| 4554441 | Electric heating coil | — | 1985-11-19 |
| 4512558 | Coffin delivery system for metallurgical furnace | — | 1985-04-23 |
| 4431605 | Metallurgical process | — | 1984-02-14 |
| 4398702 | Metallurgical furnace | — | 1983-08-16 |
| 4268582 | Boride coated cemented carbide | Thomas E. Hale | 1981-05-19 |