Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11098541 | Polycrystalline-diamond compact air bit | Ben Chrest, Thomas A. Damian, Carl Aron Deen, Kristy Everheart, Kerry Sisson | 2021-08-24 |
| 11035177 | Shaped cutters | William Henry DuBose, Brady Walters, Josh Criswell | 2021-06-15 |
| 11028650 | Downhole tools with improved arrangements of cutters | Carl Aron Deen | 2021-06-08 |
| 11015394 | Downhole tool with fixed cutters for removing rock | Carl Aron Deen | 2021-05-25 |
| 10920495 | Drill bit | — | 2021-02-16 |