Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7748446 | Seismic source and method of generating a seismic wave in a formation | Jörg Ernst Eckerlin | 2010-07-06 |
| 7637316 | Wellbore system | Albert Cornelis Pols | 2009-12-29 |
| 7565936 | Combined telemetry system and method | Zhiyi Zhang, Gilberto Toffolo | 2009-07-28 |
| 7318489 | Hydraulic motor arrangement and method of operating a hydraulic motor | Egbert Jan Van Riet | 2008-01-15 |
| 7163065 | Combined telemetry system and method | Zhiyi Zhang, Gilberto Toffolo | 2007-01-16 |
| 7090037 | Device for anchoring a drill string in a borehole | — | 2006-08-15 |
| 6352129 | Drilling system | — | 2002-03-05 |
| 6142245 | Extended reach drilling system | — | 2000-11-07 |
| 6082457 | Method of using a drill string tool | Markus Antonius Van Buren | 2000-07-04 |