Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8174404 | Downlink pulser for mud pulse telemetry | Detlef Hahn, Volker Peters, Heiko Eggers | 2012-05-08 |
| 7808859 | Oscillating shear valve for mud pulse telemetry | Detlef Hahn, Volker Peters, Heiko Eggers | 2010-10-05 |
| 7417920 | Reciprocating pulser for mud pulse telemetry | Detlef Hahn, Volker Peters, Eckard Scholz | 2008-08-26 |
| 7280432 | Oscillating shear valve for mud pulse telemetry | Detlef Hahn, Volker Peters, Heiko Eggers | 2007-10-09 |
| 7250873 | Downlink pulser for mud pulse telemetry | Detlef Hahn, Volker Peters, Heiko Eggers | 2007-07-31 |
| 6975244 | Oscillating shear valve for mud pulse telemetry and associated methods of use | Detlef Hahn, Volker Peters, Heiko Eggers | 2005-12-13 |
| 6898150 | Hydraulically balanced reciprocating pulser valve for mud pulse telemetry | Detlef Hahn, Volker Peters | 2005-05-24 |
| 6626253 | Oscillating shear valve for mud pulse telemetry | Detlef Hahn, Volker Peters | 2003-09-30 |