Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11156036 | Polycrystalline diamond cutting elements with transition zones and downhole cutting tools incorporating the same | Madapusi K. Keshavan, Ronald B. Crockett, Dwain Norris, David R. Hall | 2021-10-26 |
| 11125049 | Superhard material enhanced choke cage | David C. Hoyle, David S. Clark | 2021-09-21 |
| 10968703 | Devices and systems for reducing cyclical torque on directional drilling actuators | Kjell Haugvaldstad | 2021-04-06 |