Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10544625 | Multi fluid drilling system | Warren Strange | 2020-01-28 |
| 10422185 | Dual circulation fluid hammer drilling system | Warren Strange | 2019-09-24 |
| 9970245 | Dual circulation drilling system | Warren Strange | 2018-05-15 |
| 9316052 | Dual circulation drilling system | Warren Strange | 2016-04-19 |
| 6247867 | Coupling means | — | 2001-06-19 |