Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9109410 | Method system and apparatus for reducing shock and drilling harmonic variation | George Swietlik | 2015-08-18 |
| 8622153 | Downhole assembly | George Swietlik | 2014-01-07 |
| RE42426 | Apparatus and method for transmitting information to and communicating with a downhole device | — | 2011-06-07 |
| 7540337 | Adaptive apparatus, system and method for communicating with a downhole device | Feroze Michael Variava | 2009-06-02 |
| 6847304 | Apparatus and method for transmitting information to and communicating with a downhole device | — | 2005-01-25 |
| 6808027 | Wellbore directional steering tool | Jeffrey B. Lasater, Jack P. Chance, George Brian Sutherland, Feroze Michael Variava, Emerson Marcellus | 2004-10-26 |
| 5979570 | Surface controlled wellbore directional steering tool | Jack P. Chance | 1999-11-09 |