Issued Patents All Time
Showing 1–25 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11370049 | Earth-boring tools having particle-matrix composite bodies and methods for welding particle-matrix composite bodies | John H. Stevens, James Andy Oxford, Jose E. Ramirez, Nathan David Ames, Shuchi P. Khurana | 2022-06-28 |
| 10493550 | Earth-boring tools having particle-matrix composite bodies and methods for welding particle-matrix composite bodies | John H. Stevens, James Andy Oxford, Jose E. Ramirez, Nathan David Ames, Shuchi P. Khurana | 2019-12-03 |
| 10144113 | Methods of forming earth-boring tools including sinterbonded components | Nicholas J. Lyons | 2018-12-04 |
| 9700991 | Methods of forming earth-boring tools including sinterbonded components | Nicholas J. Lyons | 2017-07-11 |
| 9662733 | Methods for reparing particle-matrix composite bodies | John H. Stevens, James Andy Oxford, Jose E. Ramirez, Nathan David Ames, Shuchi P. Khurana | 2017-05-30 |
| 9273518 | Methods of coupling components of downhole tools, downhole tools and components of downhole tools | James Andy Oxford, Alan J. Massey | 2016-03-01 |
| 9192989 | Methods of forming earth-boring tools including sinterbonded components | Nicholas J. Lyons | 2015-11-24 |
| 9163461 | Methods of attaching a shank to a body of an earth-boring tool including a load-bearing joint and tools formed by such methods | James L. Duggan, Anupam Singh | 2015-10-20 |
| 8973466 | Methods of forming earth-boring tools and components thereof including attaching a shank to a body of an earth-boring tool | Oliver Matthews, David A. Stockey | 2015-03-10 |
| 8770324 | Earth-boring tools including sinterbonded components and partially formed tools configured to be sinterbonded | Nicholas J. Lyons | 2014-07-08 |
| 8746373 | Methods of attaching a shank to a body of an earth-boring tool including a load-bearing joint and tools formed by such methods | James L. Duggan, Anupam Singh | 2014-06-10 |
| 8381844 | Earth-boring tools and components thereof and related methods | Oliver Matthews, David A. Stockey | 2013-02-26 |
| 8309018 | Earth-boring rotary drill bits and methods of manufacturing earth-boring rotary drill bits having particle-matrix composite bit bodies | John H. Stevens, James L. Duggan, Nicholas J. Lyons, Jimmy W. Eason, Jared D. Gladney +2 more | 2012-11-13 |
| 8272295 | Displacement members and intermediate structures for use in forming at least a portion of bit bodies of earth-boring rotary drill bits | John H. Stevens | 2012-09-25 |
| 8268452 | Bonding agents for improved sintering of earth-boring tools, methods of forming earth-boring tools and resulting structures | Nicholas J. Lyons, Jimmy W. Eason, John H. Stevens | 2012-09-18 |
| 8240402 | Earth-boring tools and components thereof including blockage-resistant internal fluid passageways, and methods of forming such tools and components | David L. Rickabaugh, Rudolf Carl Pessier, Mark E. Anderson, William A. Moss, Jr. | 2012-08-14 |
| 8176812 | Methods of forming bodies of earth-boring tools | John H. Stevens | 2012-05-15 |
| 8079429 | Methods of forming earth-boring tools using geometric compensation and tools formed by such methods | John H. Stevens, James L. Duggan, Nicholas J. Lyons, Jimmy W. Eason, Oliver Matthews | 2011-12-20 |
| 8043555 | Cemented tungsten carbide rock bit cone | Trevor Burgess, Jimmy W. Eason | 2011-10-25 |
| 7914006 | Drilling tool with elastomer seal having graded properties | Terry J. Koltermann | 2011-03-29 |
| 7841259 | Methods of forming bit bodies | John H. Stevens | 2010-11-30 |
| 7802495 | Methods of forming earth-boring rotary drill bits | James Andy Oxford, Jimmy W. Eason, John H. Stevens, Nicholas J. Lyons | 2010-09-28 |
| 7776256 | Earth-boring rotary drill bits and methods of manufacturing earth-boring rotary drill bits having particle-matrix composite bit bodies | John H. Stevens, James L. Duggan, Nicholas J. Lyons, Jimmy W. Eason, Jared D. Gladney +2 more | 2010-08-17 |
| 7775287 | Methods of attaching a shank to a body of an earth-boring drilling tool, and tools formed by such methods | James L. Duggan | 2010-08-17 |
| 7735582 | Insertable devices for retention systems, structures for attachment and methods of use | — | 2010-06-15 |