Issued Patents All Time
Showing 51–73 of 73 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9644433 | Electronic frame having conductive and bypass paths for electrical inputs for use with coupled conduit segments | Stephan Mueller, Ingo Roders, Robert Buda, Henning Rahn, Hans Oppelaar +2 more | 2017-05-09 |
| 9598951 | Coupled electronic and power supply frames for use with borehole conduit connections | Stephan Mueller, Ingo Roders, Robert Buda, Henning Rahn, Detlev Benedict +1 more | 2017-03-21 |
| 9581016 | Transmission line for drill pipes and downhole tools | Detlev Benedict, Robert Buda, Stephan Mueller, Henning Rahn, Rene Schulz | 2017-02-28 |
| 9534455 | Shoulder ring for transmission line and transmission devices | Detlev Benedict, Robert Buda, Stephan Mueller, Henning Rahn, Rene Schulz | 2017-01-03 |
| 9303464 | Wired pipe coupler connector | — | 2016-04-05 |
| 9255451 | Tube locking mechanism for downhole components | Henning Rahn, Ingo Roders, Detlev Benedict, Robert Buda, Rene Schulz +2 more | 2016-02-09 |
| 9228686 | Transmission line for drill pipes and downhole tools | Detlev Benedict, Robert Buda, Stephan Mueller, Henning Rahn, Rene Schulz | 2016-01-05 |
| 9223044 | Method and arrangement for magnetically determining a position | Michael Hackner, Josef Sauerer | 2015-12-29 |
| 9052043 | Wired pipe coupler connector | Stephan Mueller, Volker Krueger, Christian Fulda, Ingo Roders | 2015-06-09 |
| 8986028 | Wired pipe coupler connector | Stephan Mueller, Volker Krueger, Christian Fulda, Ingo Roders | 2015-03-24 |
| 8917575 | Device for generating pressure pulses in flowing fluid and method for the same | — | 2014-12-23 |
| 8426936 | Vertical Hall sensor and method of producing a vertical Hall sensor | Rainer Minixhofer, Sara Carniello | 2013-04-23 |
| 8174404 | Downlink pulser for mud pulse telemetry | Detlef Hahn, Cedric Rouatbi, Heiko Eggers | 2012-05-08 |
| 7866415 | Steering device for downhole tools | — | 2011-01-11 |
| 7808859 | Oscillating shear valve for mud pulse telemetry | Detlef Hahn, Cedric Rouatbi, Heiko Eggers | 2010-10-05 |
| 7417920 | Reciprocating pulser for mud pulse telemetry | Detlef Hahn, Cedric Rouatbi, Eckard Scholz | 2008-08-26 |
| 7280432 | Oscillating shear valve for mud pulse telemetry | Detlef Hahn, Cedric Rouatbi, Heiko Eggers | 2007-10-09 |
| 7250873 | Downlink pulser for mud pulse telemetry | Detlef Hahn, Cedric Rouatbi, Heiko Eggers | 2007-07-31 |
| 6981561 | Downhole cutting mill | Sven Krueger, Volker Krueger, Harald Grimmer, Joerg Christanseen | 2006-01-03 |
| 6975244 | Oscillating shear valve for mud pulse telemetry and associated methods of use | Detlef Hahn, Cedric Rouatbi, Heiko Eggers | 2005-12-13 |
| 6898150 | Hydraulically balanced reciprocating pulser valve for mud pulse telemetry | Detlef Hahn, Cedric Rouatbi | 2005-05-24 |
| 6626253 | Oscillating shear valve for mud pulse telemetry | Detlef Hahn, Cedric Rouatbi | 2003-09-30 |
| 6439325 | Drilling apparatus with motor-driven pump steering control | Detlef Ragnitz | 2002-08-27 |