Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8950517 | Drill bit with a retained jack element | David R. Hall, Francis Leany, Joe Fox, Tyson J. Wilde | 2015-02-10 |
| 7908851 | Hydraulic energy storage with reinforced layer | David R. Hall, Francis Leany, Jacob Hannon, Tyson J. Wilde | 2011-03-22 |
| 7753144 | Drill bit with a retained jack element | David R. Hall, Francis Leany, Joe Fox, Tyson J. Wilde | 2010-07-13 |
| 7526918 | Hydraulic energy storage with reinforced layer | David R. Hall, Francis Leany, Jacob Hannon, Tyson J. Wilde | 2009-05-05 |
| 7506706 | Retaining element for a jack element | David R. Hall, Francis Leany, Joe Fox, Tyson J. Wilde | 2009-03-24 |