Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5505134 | Perforating gun having a plurality of charges including a corresponding plurality of exploding foil or exploding bridgewire initiator apparatus responsive to a pulse of current for simultaneously detonating the plurality of charges | James E. Brooks, Nolan C. Lerche, Clifford L. Aseltine, Kenneth E. Rozek | 1996-04-09 |
| 5249461 | Method for testing perforating and testing an open wellbore | Gaylon D. Ponder, Bryan McDonald | 1993-10-05 |
| 4960171 | Charge phasing arrangements in a perforating gun | Gary M. Lendermon | 1990-10-02 |