Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8172914 | Infiltration of hard particles with molten liquid binders including melting point reducing constituents, and methods of casting bodies of earth-boring tools | Jimmy W. Eason, James J. Oakes, James C. Westhoff, Gabriel B. Collins | 2012-05-08 |
| 8087324 | Cast cones and other components for earth-boring tools and related methods | Jimmy W. Eason, James J. Oakes, James C. Westhoff, Gabriel B. Collins, John H. Stevens +2 more | 2012-01-03 |
| 8025112 | Earth-boring bits and other parts including cemented carbide | Morris E. Chandler, Michale E. Waller, Heath C. Coleman | 2011-09-27 |
| 8007714 | Earth-boring bits | Jimmy W. Eason, James J. Oakes, James C. Westhoff, Gabriel B. Collins, John H. Stevens +2 more | 2011-08-30 |
| 8007922 | Articles having improved resistance to thermal cracking | Alfred J. Mosco, Eric W. Olsen, Steven G. Caldwell | 2011-08-30 |
| 7954569 | Earth-boring bits | Jimmy W. Eason, James J. Oakes, James C. Westhoff, Gabriel B. Collins, John H. Stevens +2 more | 2011-06-07 |
| 7687156 | Composite cutting inserts and methods of making the same | X. Daniel Fang, David J. Wills | 2010-03-30 |
| 7513320 | Cemented carbide inserts for earth-boring bits | Alfred J. Mosco | 2009-04-07 |
| 7384443 | Hybrid cemented carbide composites | — | 2008-06-10 |
| 6511265 | Composite rotary tool and tool fabrication method | Bruce A. Keller | 2003-01-28 |
| 5736658 | Low density, nonmagnetic and corrosion resistant cemented carbides | Les Kastura | 1998-04-07 |
| 5543235 | Multiple grade cemented carbide articles and a method of making the same | Robert E. Thomas, Mark Cippel | 1996-08-06 |
| 5338506 | Process for making non-magnetic nickel tungsten carbide cemented carbide compositions and articles made from the same | John W. Friederichs, Paul J. Krudy | 1994-08-16 |
| 5273571 | Nonmagnetic nickel tungsten cemented carbide compositions and articles made from the same | Laszlo J. Kastura, John W. Friederichs | 1993-12-28 |
| RE34262 | High modulus Al alloys | Raymond C. Benn, Walter E. Mattson | 1993-05-25 |
| 5171381 | Intermediate temperature aluminum-base alloy | Arunkumar Shamrao Watwe, Walter E. Mattson | 1992-12-15 |
| 5169461 | High temperature aluminum-base alloy | Arunkumar Shamrao Watwe, Walter E. Mattson | 1992-12-08 |
| 5114505 | Aluminum-base composite alloy | Raymond C. Benn, Walter E. Mattson | 1992-05-19 |
| 4834810 | High modulus A1 alloys | Raymond C. Benn, Walter E. Mattson | 1989-05-30 |
| 4832734 | Hot working aluminum-base alloys | Raymond C. Benn, Walter E. Mattson | 1989-05-23 |