Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5215148 | Subsurface well pressure actuated and fired apparatus | — | 1993-06-01 |
| 5088557 | Downhole pressure attenuation apparatus | John A. Barton | 1992-02-18 |
| 5044388 | Perforating gun pressure bleed device | John A. Barton | 1991-09-03 |
| 5024277 | Running tool for use in well bores | — | 1991-06-18 |
| 5007486 | Perforating gun assembly and universal perforating charge clip apparatus | — | 1991-04-16 |
| 5007344 | Dual firing system for a perforating gun | Richard M. Ward | 1991-04-16 |
| 4886127 | Apparatus for firing borehole perforating apparatus | Gary R. Domstead | 1989-12-12 |
| 4776393 | Perforating gun automatic release mechanism | Donald R. Forehand, Robert A. Turney, Max M. Murray | 1988-10-11 |