Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7028409 | Method for computation of differential azimuth from spaced-apart gravity component measurements | Brett Van Steenwyk | 2006-04-18 |
| 5321893 | Calibration correction method for magnetic survey tools | — | 1994-06-21 |
| 5155916 | Error reduction in compensation of drill string interference for magnetic survey tools | — | 1992-10-20 |
| 4594790 | Borehole surveying employing ring laser gyroscope | — | 1986-06-17 |
| 4593559 | Apparatus and method to communicate bidirectional information in a borehole | David C. Brown, Fred L. Watson | 1986-06-10 |
| 4559713 | Azimuth determination for vector sensor tools | Paul Ott, Philip M. LaHue, Brett Van Steenwyk | 1985-12-24 |
| 4472884 | Borehole azimuth determination using magnetic field sensor | — | 1984-09-25 |
| 4433491 | Azimuth determination for vector sensor tools | Paul Ott, Philip M. LaHue, Brett Van Steenwyk | 1984-02-28 |