Issued Patents 2004
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6817425 | Mean strain ratio analysis method and system for detecting drill bit failure and signaling surface operator | Roger L. Schultz, Orlando De Jesus | 2004-11-16 |
| 6795067 | Image display system for displaying an adjustable widened virtual image | Peter Masters, Martin James Rowe | 2004-09-21 |
| 6722450 | Adaptive filter prediction method and system for detecting drill bit failure and signaling surface operator | Roger L. Schultz, Orlando De Jesus | 2004-04-20 |
| 6712160 | Leadless sub assembly for downhole detection system | Roger L. Schultz, Orlando De Jesus | 2004-03-30 |
| 6691802 | Internal power source for downhole detection system | Roger L. Schultz, Orlando De Jesus | 2004-02-17 |
| 6681633 | Spectral power ratio method and system for detecting drill bit failure and signaling surface operator | Roger L. Schultz, Orlando De Jesus | 2004-01-27 |