Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10571027 | Metal ring seal and improved profile selective system for downhole tools | John Andrew Markiw, Chayne Roy Bradley | 2020-02-25 |
| 10563480 | Profile selective system for downhole tools | Sean Campbell, Darryl Firmaniuk | 2020-02-18 |
| 9739117 | Profile selective system for downhole tools | Sean Campbell, Darryl Firmaniuk | 2017-08-22 |
| 5894896 | Orienting tool for coiled tubing drilling | Donald A. Smith, Andre Naumann | 1999-04-20 |
| 5269385 | Adjustable bent housing II | — | 1993-12-14 |