Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6769497 | Use of axial accelerometer for estimation of instantaneous ROP downhole for LWD and wireline applications | Pushkar N. Jogi, James V. Leggett, III, Douglas J. Patterson, Alexei Bolshakov, Volker Krueger | 2004-08-03 |
| 6757218 | Semi-passive two way borehole communication apparatus and method | — | 2004-06-29 |
| 6732052 | Method and apparatus for prediction control in drilling dynamics using neural networks | Robert MacDonald, Volker Krueger, John D. Macpherson, Dmitriy Dashevskiy | 2004-05-04 |
| 6697298 | High efficiency acoustic transmitting system and method | David M. Schneider, Terry A. Seyler | 2004-02-24 |