Issued Patents 2011
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8066085 | Stochastic bit noise control | Ashley Bernard Johnson, Michael Charles Sheppard | 2011-11-29 |
| 8011452 | Steerable drilling system | — | 2011-09-06 |
| 7987927 | Steering of bent housing mud motor downhole rotation device | — | 2011-08-02 |
| 7968184 | Erosion resistant surface and method of making erosion resistant surfaces | Alan Humphreys | 2011-06-28 |
| 7941906 | Progressive cavity apparatus with transducer and methods of forming and use | — | 2011-05-17 |
| 7916041 | Hole depth sensing | — | 2011-03-29 |
| 7896628 | Downhole motor seal and method | Olivier Sindt, Laurent Carteron, Francois Clouzeau | 2011-03-01 |