Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11162316 | Reverse-circulation drilling assemblies and methods of using same | Anthony Lachance | 2021-11-02 |
| 10934786 | Drill string components resistant to jamming | Keith William Littlely | 2021-03-02 |
| 10907413 | Continuous sampling drill bit | Robert Andrew Corona | 2021-02-02 |