Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5156207 | Hydraulically actuated downhole valve apparatus | David M. Haugen, Charles W. Kinney | 1992-10-20 |
| 5095993 | Anchor apparatus for a tubing and wireline conveyed method and apparatus | Klaus Huber, Joe C. Hromas | 1992-03-17 |
| 5088413 | Method and apparatus for safe transport handling arming and firing of perforating guns using a bubble activated detonator | Klaus Huber, Nolan C. Lerche, Kenneth E. Rozek, Edward G. Smith, Jr. | 1992-02-18 |
| 5050682 | Coupling apparatus for a tubing and wireline conveyed method and apparatus | Klaus Huber, Joe C. Hromas | 1991-09-24 |
| 5025861 | Tubing and wireline conveyed perforating method and apparatus | Klaus Huber, Joe C. Hromas | 1991-06-25 |
| 4436149 | Hydraulic setting tool | — | 1984-03-13 |