Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9816360 | Subterranean tool with sealed electronic passage across multiple sections | David Abney | 2017-11-14 |
| 9051798 | Subterranean tool with sealed electronic passage across multiple sections | David Abney | 2015-06-09 |
| 9038747 | Adjustable bent drilling tool having in situ drilling direction change capability | David Abney, Anthony C. Muse, Andre Orban, Stan Weise | 2015-05-26 |
| 4550789 | Hydraulic jarring tool | — | 1985-11-05 |
| 4475606 | Drag bit | — | 1984-10-09 |
| 4277109 | Axial compression positive rock bit seal | — | 1981-07-07 |
| 4262761 | Long-life milled tooth cutting structure | — | 1981-04-21 |
| 4252330 | Symmetrical seal for a rolling cone cutter earth boring bit | — | 1981-02-24 |