Issued Patents All Time
Showing 1–25 of 132 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12247486 | Bolsters for degradation picks | Francis Leany, Dwain Norris, Braeden Brown | 2025-03-11 |
| 12078015 | Polycrystalline diamond cutting element having improved cutting efficiency | Ronald K. Eyre, Yi Fang, Lynn Belnap, Aaron Madsen, Haibo Zhang +5 more | 2024-09-03 |
| 11952896 | Rotary tool with thermally stable diamond | Yahua Bao, J. Daniel Belnap, Francis Leany, Dwain Norris, Anatoliy Garan | 2024-04-09 |
| 11828108 | Angled chisel insert | Dwain Norris, Aaron Madsen, Neil Cannon, John Daniel Belnap | 2023-11-28 |
| 11156036 | Polycrystalline diamond cutting elements with transition zones and downhole cutting tools incorporating the same | Madapusi K. Keshavan, Neil Cannon, Dwain Norris, David R. Hall | 2021-10-26 |
| 10378288 | Downhole drill bit incorporating cutting elements of different geometries | David R. Hall, John Bailey | 2019-08-13 |
| 10174561 | Polycrystalline diamond cutting elements with transition zones and downhole cutting tools incorporating the same | David R. Hall, Neil Cannon, Dwain Norris, Madapusi K. Keshavan | 2019-01-08 |
| 10029391 | High impact resistant tool with an apex width between a first and second transitions | David R. Hall, Casey Webb, Michael Beazer | 2018-07-24 |
| 9915102 | Pointed working ends on a bit | David R. Hall, John Bailey | 2018-03-13 |
| 9909417 | Angled degradation pick | David R. Hall, Dwain Norris, Gary Condon, Gary Peterson, Jeffrey Crockett | 2018-03-06 |
| 9803479 | End ring degradation pick support | David R. Hall, Dwain Norris | 2017-10-31 |
| 9752434 | Block capable of supporting multiple picks | David R. Hall, Dwain Norris | 2017-09-05 |
| 9708856 | Downhole drill bit | David R. Hall, John Bailey | 2017-07-18 |
| 9677343 | Tracking shearing cutters on a fixed bladed drill bit with pointed cutting elements | David R. Hall, Marcus Skeem, Francis Leany, Casey Webb | 2017-06-13 |
| 9540886 | Thick pointed superhard material | David R. Hall, Jeff Jepson, Scott Dahlgren, John Bailey | 2017-01-10 |
| 9539781 | Balanced cell for high-pressure high-temperature press | David R. Hall, Scott Dahlgren, Michael Hall, Timothy C. Duke | 2017-01-10 |
| 9539782 | Individual resistance heating for high-pressure high-temperature cell | David R. Hall, Scott Dahlgren, Michael Hall, Timothy C. Duke | 2017-01-10 |
| 9366089 | Cutting element attached to downhole fixed bladed bit at a positive rake angle | David R. Hall, Marcus Skeem, Francis Leany, Casey Webb | 2016-06-14 |
| 9145742 | Pointed working ends on a drill bit | David R. Hall, John Bailey | 2015-09-29 |
| 9051795 | Downhole drill bit | David R. Hall, John Bailey | 2015-06-09 |
| 9051794 | High impact shearing element | David R. Hall, John Bailey, Matt Kudla | 2015-06-09 |
| 8998346 | Attack tool with an interruption | David R. Hall, John Bailey, Jeff Jepson | 2015-04-07 |
| 8960337 | High impact resistant tool with an apex width between a first and second transitions | David R. Hall, Casey Webb, Michael Beazer | 2015-02-24 |
| 8839888 | Tracking shearing cutters on a fixed bladed drill bit with pointed cutting elements | David R. Hall, Marcus Skeem, Francis Leany, Casey Webb | 2014-09-23 |
| 8728382 | Forming a polycrystalline ceramic in multiple sintering phases | David R. Hall | 2014-05-20 |