Patents per Year
Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 7026814 | Tuning of nuclear magnetic resonance logging tools | Martin Hurlimann, Chanh Cao Minh | 2006-04-11 | $44,970,000 |
| 4648471 | Control system for borehole tools | — | 1987-03-10 | $68,938,000 |
| 4561356 | Explosive charge safe-arming system | — | 1985-12-31 | $12,282,000 |
| 4527636 | Single-wire selective perforation system having firing safeguards | — | 1985-07-09 | $62,972,000 |