Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6279405 | Apparatus and method for a pressure monitoring device | Kenneth K. Clark | 2001-08-28 |
| 5357806 | Capacitive differential pressure sensor and method of measuring differential pressure at an oil or gas well | John Dennis, Steven Leroy Cook, Monty E. McElroy | 1994-10-25 |
| 5302879 | Temperature/reference package, and method using the same for high pressure, high temperature oil or gas well | Gary R. Dellinger, Michael Mahler, Vincent P. Zeller, Everett D. Stokes | 1994-04-12 |
| 5299868 | Crystalline transducer with ac-cut temperature crystal | John Dennis | 1994-04-05 |
| 5221873 | Pressure transducer with quartz crystal of singly rotated cut for increased pressure and temperature operating range | John Dennis | 1993-06-22 |
| 4675259 | Electrical energy package and method of assembly | — | 1987-06-23 |