Issued Patents All Time
Showing 76–100 of 122 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8210747 | Bearing elements | Timothy N. Sexton | 2012-07-03 |
| 8210285 | Cutting element apparatuses, drill bits including same, methods of cutting, and methods of rotating a cutting element | Timothy N. Sexton, S. Barrett Peterson, Jeffrey B. Lund, Christopher F. Johnson | 2012-07-03 |
| 8202335 | Superabrasive elements, methods of manufacturing, and drill bits including same | Kenneth E. Bertagnolli, Michael A. Vail | 2012-06-19 |
| 8079431 | Drill bit having rotational cutting elements and method of drilling | Jeffery B. Lund, Jair J. Gonzalez | 2011-12-20 |
| 8074748 | Thermally-stable polycrystalline diamond element and compact, and applications therefor such as drill bits | David P. Miess | 2011-12-13 |
| 8069933 | Bearing assemblies, and bearing apparatuses and motor assemblies using same | Timothy N. Sexton | 2011-12-06 |
| 8061452 | Cutting element apparatuses, drill bits including same, methods of cutting, and methods of rotating a cutting element | Timothy N. Sexton, S. Barrett Peterson, Jeffrey B. Lund, Christopher F. Johnson | 2011-11-22 |
| 8028770 | Conformal bearing for rock drill bit | Aaron J. Dick, Chih Lin, Terry J. Koltermann, Anton F. Zahradnik, Daniel E. Scott +4 more | 2011-10-04 |
| 7987931 | Cutting element apparatuses, drill bits including same, methods of cutting, and methods of rotating a cutting element | Timothy N. Sexton | 2011-08-02 |
| 7951213 | Superabrasive compact, drill bit using same, and methods of fabricating same | David P. Miess, Kenneth E. Bertagnolli | 2011-05-31 |
| 7946768 | Bearing apparatuses, systems including same, and related methods | Aaron J. Dick | 2011-05-24 |
| 7942218 | Cutting element apparatuses and drill bits so equipped | Timothy N. Sexton, David P. Miess, Jeffrey B. Lund | 2011-05-17 |
| 7896551 | Hydrodynamic bearing assemblies, and hydrodynamic bearing apparatuses and motor assemblies using same | Timothy N. Sexton | 2011-03-01 |
| 7870913 | Bearing assemblies, and bearing apparatuses and motor assemblies using same | Timothy N. Sexton | 2011-01-18 |
| 7861805 | Conformal bearing for rock drill bit | Aaron J. Dick, Chih Lin, Terry J. Kolterman, Anton F. Zahradnik, Dan E. Scott +4 more | 2011-01-04 |
| 7845436 | Cutting element apparatuses, drill bits including same, methods of cutting, and methods of rotating a cutting element | Timothy N. Sexton, S. Barrett Peterson, Jeffrey B. Lund, Christopher F. Johnson | 2010-12-07 |
| 7703982 | Bearing apparatuses, systems including same, and related methods | — | 2010-04-27 |
| 7604073 | Cutting element apparatuses, drill bits including same, methods of cutting, and methods of rotating a cutting element | Timothy N. Sexton | 2009-10-20 |
| 7559695 | Bearing apparatuses, systems including same, and related methods | Timothy N. Sexton | 2009-07-14 |
| 7533739 | Cutting element apparatuses and drill bits so equipped | Timothy N. Sexton, David P. Miess | 2009-05-19 |
| 7048081 | Superabrasive cutting element having an asperital cutting face and drill bit so equipped | Redd H. Smith, Marcus Skeem | 2006-05-23 |
| 6739417 | Superabrasive cutters and drill bits so equipped | Redd H. Smith, Danny E. Scott, Marcus Skeem | 2004-05-25 |
| 6571891 | Web cutter | Redd H. Smith, Danny E. Scott, Marcus Skeem | 2003-06-03 |
| 6527065 | Superabrasive cutting elements for rotary drag bits configured for scooping a formation | Gordon A. Tibbitts | 2003-03-04 |
| 6386297 | Method and apparatus for determining potential abrasivity in a wellbore | David A. Curry, Leroy W. Ledgerwood, III | 2002-05-14 |