Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7984771 | Methods and apparatus for attenuating drillstring vibrations | Jahir Pabon, Demosthenis Georgeou Pafitis, Chaur-Jian Hsu | 2011-07-26 |
| 7942213 | Using hydrostatic bearings for downhole applications | — | 2011-05-17 |