Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7416146 | Wear resistant center feed impact impeller | — | 2008-08-26 |
| 6908688 | Graded composite hardmetals | Shivanand I. Majagi, Daniel Nelson | 2005-06-21 |
| 6521353 | Low thermal conductivity hard metal | Shivanand I. Majagi | 2003-02-18 |
| 6372012 | Superhard filler hardmetal including a method of making | Shivanand I. Majagi, Jimmy W. Eason | 2002-04-16 |
| 6029756 | Nozzle positioning assembly | Harry E. Nover | 2000-02-29 |
| 5954282 | Plate for reducing wear by a material flow | Neil R. Hise | 1999-09-21 |
| 5931542 | Device and method for preventing wear on road milling and trenching equipment | H. Alan King | 1999-08-03 |
| 5628837 | Surface decarburization of a drill bit having a refined primary cutting edge | Jimmy W. Eason, Zhigang Fang | 1997-05-13 |
| 5609447 | Surface decarburization of a drill bit | Jimmy W. Eason, Zhigang Fang | 1997-03-11 |
| 5387019 | Drill handling tool | — | 1995-02-07 |
| 4784543 | Quick change tool holder | James Mitchell | 1988-11-15 |