Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5513703 | Methods and apparatus for perforating and treating production zones and otherwise performing related activities within a well | Aubrey C. Mills, Billy R. Newman, Neil H. Akkerman | 1996-05-07 |
| 5423382 | Apparatus for releasing perforating gun equipment from a well casing | Robert G. Davidson, James F. Wilkin | 1995-06-13 |
| 5413173 | Well apparatus including a tool for use in shifting a sleeve within a well conduit | Aubrey C. Mills, Billy R. Newman, Neil H. Akkerman | 1995-05-09 |
| 5155293 | Safety booster for explosive systems | — | 1992-10-13 |
| 5088557 | Downhole pressure attenuation apparatus | Thomas D. Ricles | 1992-02-18 |
| 5044388 | Perforating gun pressure bleed device | Thomas D. Ricles | 1991-09-03 |
| 4378844 | Explosive cutting system | David D. Parrish | 1983-04-05 |