Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12123261 | Depth of cut control responsive to borehole trajectory | Kevin Clark, Kelley Plunkett, Curtis Lanning | 2024-10-22 |
| 12012807 | Drill bit with offset counter-rotating cutters | — | 2024-06-18 |
| 11143020 | Subsea well equipment landing indicator and locking indicator | Thiago Bigarella, Richard Meronek, Laura A. Small | 2021-10-12 |
| 10822945 | Storing data based on a value associated with an ambient condition downhole in a borehole of a geologic formation | Bradley David Dunbar, Robert W. Arfele, John Leslie Wisinger, Jr. | 2020-11-03 |
| 10774593 | Sealing elements for roller cone bits | Shiwei Qin, Micheal Burl Crawford | 2020-09-15 |
| 10655454 | Subsea well equipment landing indicator and locking indicator | Thiago Bigarella, Richard Meronek, Laura A. Small | 2020-05-19 |
| 10422186 | Hardfacing metal parts | Christopher J. Cleboski, Kyle Patrick Vrnak, Rajesh Handa, John F. Keller, Grant O. Cook, III | 2019-09-24 |
| 9982487 | Wellbore drilling systems with vibration subs | Robello Samuel | 2018-05-29 |
| 8945720 | Hard composite with deformable constituent and method of applying to earth-engaging tool | Harold A. Sreshta, Eric F. Drake | 2015-02-03 |
| 8733475 | Drill bit with enhanced hydraulics and erosion-shield cutting teeth | Thang Vo, Tom Scott Roberts, Craig Ivie | 2014-05-27 |
| 8721752 | PDC cutter with stress diffusing structures | John M. Fuller, Graham Watson | 2014-05-13 |
| 7025156 | Rotary drill bit for casting milling and formation drilling | — | 2006-04-11 |
| 6789635 | Drill bit for directional drilling in cobble formations | Steven W. Wentworth, Robert F. Crane | 2004-09-14 |
| 6371226 | Drag-type rotary drill bit | — | 2002-04-16 |
| 6193000 | Drag-type rotary drill bit | Robin Macmillan | 2001-02-27 |
| 6167833 | Wear indicator for rotary drilling tools | Tony Martin Watts, Douglas Alan Patton, David Nguyen | 2001-01-02 |
| 6135218 | Fixed cutter drill bits with thin, integrally formed wear and erosion resistant surfaces | John D. Deane | 2000-10-24 |
| 6116355 | Choke device | Richard E. Thorp, Graham Watson | 2000-09-12 |
| 6092613 | Rotary drill bits | John Hayward, Malcolm R. Taylor, Tom Scott Roberts, Steven J. Taylor, Graham Watson | 2000-07-25 |
| 5992547 | Rotary drill bits | John Hayward, Malcolm R. Taylor, Tom Scott Roberts, Steven J. Taylor, Graham Watson | 1999-11-30 |
| 5967246 | Rotary drill bits | John Hayward, Malcolm R. Taylor, Tom Scott Roberts, Steven J. Taylor, Graham Watson | 1999-10-19 |
| 5950742 | Methods and related equipment for rotary drilling | — | 1999-09-14 |
| 5944128 | Matrix hard facing by lost wax process | David Truax, Stephen M. Evans, Andrew Murdock | 1999-08-31 |
| 5904213 | Rotary drill bits | John Hayward, Malcolm R. Taylor, Tom Scott Roberts, Steven J. Taylor, Graham Watson | 1999-05-18 |
| 5829539 | Rotary drill bit with hardfaced fluid passages and method of manufacturing | Alex Newton, John D. Deane, Andrew Murdock, Michael Barnes, Haydn R. Lamb | 1998-11-03 |