Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12281522 | Percussive drill bit | Adrian Brubacher, Mark Bily | 2025-04-22 |
| D1068887 | Drill bit | Adrian Brubacher, Mark Bily | 2025-04-01 |
| 12188325 | Apparatuses and methods for use with reverse circulation overshot systems | Andres MacLoughlin | 2025-01-07 |
| 12134953 | Core barrel head assembly | Christopher L. Drenth, Vincent Primevert | 2024-11-05 |
| D1046584 | Drill bit | Adrian Brubacher, Mark Bily | 2024-10-15 |
| 11578552 | Reverse-circulation drilling assemblies and methods of using same | Christopher L. Drenth | 2023-02-14 |
| 11268340 | Overshot assembly and systems and methods of using same | Christopher L. Drenth | 2022-03-08 |
| 11213932 | Diamond bodies and tools for gripping drill rods | Kristian S. Drivdahl, Cody A. Pearce, Robert Andrew Corona, Christopher L. Drenth | 2022-01-04 |
| 11162316 | Reverse-circulation drilling assemblies and methods of using same | Christopher L. Drenth | 2021-11-02 |
| 10689919 | Systems and methods for releasing a portion of a drill string from a drilled cable | Christopher L. Drenth, Michel Lauzon | 2020-06-23 |
| 10626684 | Handling and recovery devices for tubular members and associated methods | Christopher L. Drenth, Jeff Hogan | 2020-04-21 |
| 10626692 | Overshot assembly and systems and methods of using same | Christopher L. Drenth | 2020-04-21 |
| 10253575 | Systems and methods for releasing a portion of a drill string from a drilling cable | Christopher L. Drenth, Michel Lauzon | 2019-04-09 |
| 10119344 | Handling and recovery devices for tubular members and associated methods | Christopher L. Drenth, Jeff Hogan | 2018-11-06 |
| 9546524 | Handling and recovery devices for tubular members and associated methods | Christopher L. Drenth, Jeff Hogan | 2017-01-17 |
| 9540897 | Overshot assembly and systems and methods of using same | Christopher L. Drenth, George Iondov | 2017-01-10 |
| 8770322 | Latch body components having multiple functions, and drilling head assembly incorporating same | Christopher L. Drenth, George Iondov | 2014-07-08 |
| 7921926 | Jointed spearhead assembly | Christopher L. Drenth, George Ibrahim | 2011-04-12 |
| 7900716 | Vibratory unit for drilling systems | George Ibrahim, Christopher L. Drenth | 2011-03-08 |