Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6736209 | Method for vibrational impact on a pipe string in a borehole and devices for carrying out said method | Vladimir Ivanovich Ivannikov | 2004-05-18 |
| 6725923 | Method and device for exciting transversal oscillations of a pipe string in a borehole | Vladimir Ivanovich Ivannikov | 2004-04-27 |
| 6705396 | Method and apparatus for producing fluid cavitation | Vladimir Ivanovich Ivannikov | 2004-03-16 |
| 6705399 | Method for transforming a gas-liquid stream in wells and device therefor | Vladimir Ivanovich Ivannikov | 2004-03-16 |
| 6702204 | Cavitating jet | Vladimir Ivanovich Ivannikov | 2004-03-09 |