Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6604921 | Optimized liner thickness for positive displacement drilling motors | Andrei Plop | 2003-08-12 |
| 6241494 | Non-elastomeric stator and downhole drilling motors incorporating same | Demosthenis Pafitis | 2001-06-05 |
| 6019180 | Method for evaluating the power output of a drilling motor under downhole conditions | Demosthenis Pafitis | 2000-02-01 |
| 4877092 | Near bit offset stabilizer | Charles W. Helm | 1989-10-31 |
| 4399877 | Continuous borehole telemetry system and method | Joshua M. Jackson | 1983-08-23 |