Issued Patents All Time
Showing 1–25 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10933511 | Polycrystalline diamond constructions with modified reaction zone | Sharlynn Davis | 2021-03-02 |
| 10871037 | Mechanical locking of ovoid cutting element with carbide matrix | Ryan Worth Eldredge, Gregory Caron | 2020-12-22 |
| 10544627 | Polycrystalline diamond constructions with protective element | Feng Yu | 2020-01-28 |
| 9909366 | Cutting element apparatuses and drill bits so equipped | Craig H. Cooley, Timothy N. Sexton, David P. Miess | 2018-03-06 |
| 9745801 | Drill bit having rotational cutting elements and method of drilling | Craig H. Cooley, Jair J. Gonzalez | 2017-08-29 |
| 9637979 | Rotary drag bits including abrasive-impregnated cutting structures | Van Jordan Brackin, Danny E. Scott, Marcus Skeem, Matthew R. Isbell | 2017-05-02 |
| 9567808 | Cutting elements configured to generate shear lips during use in cutting, earth-boring tools including such cutting elements, and methods of forming and using such cutting elements and earth-boring tools | Danny E. Scott, Marcus Skeem, John H. Liversage, Moosa Mahomed Adia | 2017-02-14 |
| 9382762 | Cutting element apparatuses, drill bits including same, methods of cutting, and methods of rotating a cutting element | Craig H. Cooley, Timothy N. Sexton, S. Barrett Peterson, Christopher F. Johnson | 2016-07-05 |
| 9279294 | Drill bit having rotational cutting elements and method of drilling | Craig H. Cooley, Jair J. Gonzalez | 2016-03-08 |
| 9138865 | Method to improve efficiency of PCD leaching | — | 2015-09-22 |
| 9091132 | Cutting element apparatuses and drill bits so equipped | Craig H. Cooley, Timothy N. Sexton, David P. Miess | 2015-07-28 |
| 8973684 | Drill bit having rotational cutting elements and method of drilling | Craig H. Cooley, Jair J. Gonzalez | 2015-03-10 |
| 8931582 | Cutting element apparatuses, drill bits including same, methods of cutting, and methods of rotating a cutting element | Craig H. Cooley, Timothy N. Sexton, S. Barrett Peterson, Christopher F. Johnson | 2015-01-13 |
| 8800692 | Cutting elements configured to generate shear lips during use in cutting, earth-boring tools including such cutting elements, and methods of forming and using such cutting elements and earth-boring tools | Danny E. Scott, Marcus Skeem, John H. Liversage, Moosa Mahomed Adia | 2014-08-12 |
| 8763727 | Drill bit having rotational cutting elements and method of drilling | Craig H. Cooley, Jair J. Gonzalez | 2014-07-01 |
| 8662207 | Rotary drag bits including abrasive-impregnated cutting structures | Van Jordan Brackin, Danny E. Scott, Marcus Skeem, Matthew R. Isbell | 2014-03-04 |
| 8561728 | Cutting element apparatuses, drill bits including same, methods of cutting, and methods of rotating a cutting element | Craig H. Cooley, Timothy N. Sexton, S. Barrett Peterson, Christopher F. Johnson | 2013-10-22 |
| 8528670 | Cutting element apparatuses and drill bits so equipped | Craig H. Cooley, Timothy N. Sexton, David P. Miess | 2013-09-10 |
| 8499859 | Drill bit having rotational cutting elements and method of drilling | Craig H. Cooley, Jair J. Gonzalez | 2013-08-06 |
| 8333814 | Abrasive-impregnated cutting structure having anisotropic wear resistance and drag bit including same | Van Jordan Brackin, Danny E. Scott, Marcus Skeem, Matthew R. Isbell | 2012-12-18 |
| 8210285 | Cutting element apparatuses, drill bits including same, methods of cutting, and methods of rotating a cutting element | Craig H. Cooley, Timothy N. Sexton, S. Barrett Peterson, Christopher F. Johnson | 2012-07-03 |
| 8061452 | Cutting element apparatuses, drill bits including same, methods of cutting, and methods of rotating a cutting element | Craig H. Cooley, Timothy N. Sexton, S. Barrett Peterson, Christopher F. Johnson | 2011-11-22 |
| 7954380 | Rotary drill bits and systems for inspecting rotary drill bits | Nicholas J. Lyons, Eric C. Sullivan, Terry D. Watts | 2011-06-07 |
| 7942218 | Cutting element apparatuses and drill bits so equipped | Craig H. Cooley, Timothy N. Sexton, David P. Miess | 2011-05-17 |
| 7900703 | Method of drilling out a reaming tool | Lester I. Clark, John C. Thomas, Eric E. McClain | 2011-03-08 |