Rouatbi; Cedric
Patent Applications and Registrations
Patent applications and USPTO patent grants for Rouatbi; Cedric.The latest application filed is for "oscillating shear valve for mud pulse telemetry".
- Rouatbi; Cedric - Celle DE
| Patent | Date |
|---|---|
| Downlink pulser for mud pulse telemetry Grant 8,174,404 - Hahn , et al. May 8, 2 | 2012-05-08 |
| Oscillating shear valve for mud pulse telemetry Grant 7,808,859 - Hahn , et al. October 5, 2 | 2010-10-05 |
| Reciprocating pulser for mud pulse telemetry Grant 7,417,920 - Hahn , et al. August 26, 2 | 2008-08-26 |
| Oscillating Shear Valve For Mud Pulse Telemetry App 20080068929 - Hahn; Detlef ; et al. | 2008-03-20 |
| Downlink Pulser for Mud Pulse Telemetry App 20080055110 - Hahn; Detlef ; et al. | 2008-03-06 |
| Oscillating shear valve for mud pulse telemetry Grant 7,280,432 - Hahn , et al. October 9, 2 | 2007-10-09 |
| Downlink pulser for mud pulse telemetry Grant 7,250,873 - Hahn , et al. July 31, 2 | 2007-07-31 |
| Oscillating shear valve for mud pulse telemetry App 20060118334 - Hahn; Detlef ; et al. | 2006-06-08 |
| Oscillating shear valve for mud pulse telemetry and associated methods of use Grant 6,975,244 - Hahn , et al. December 13, 2 | 2005-12-13 |
| Reciprocating pulser for mud pulse telemetry App 20050260089 - Hahn, Detlef ; et al. | 2005-11-24 |
| Hydraulically balanced reciprocating pulser valve for mud pulse telemetry Grant 6,898,150 - Hahn , et al. May 24, 2 | 2005-05-24 |
| Method for generating pressure fluctuations in a flowing fluid App 20040069535 - Hahn, Detlef ; et al. | 2004-04-15 |
| Downlink pulser for mud pulse telemetry App 20040012500 - Hahn, Detlef ; et al. | 2004-01-22 |
| Oscillating shear valve for mud pulse telemetry Grant 6,626,253 - Hahn , et al. September 30, 2 | 2003-09-30 |
| Oscillating shear valve for mud pulse telemetry App 20030056985 - Hahn, Detlef ; et al. | 2003-03-27 |
| System and methods for detecting pressure signals generated by a downhole actuator App 20030026167 - Hahn, Detlef ; et al. | 2003-02-06 |
| Hydraulically balanced reciprocating pulser valve for mud pulse telemetry App 20020159333 - Hahn, Detlef ; et al. | 2002-10-31 |
| Oscillating shear valve for mud pulse telemetry App 20020117306 - Hahn, Detlef ; et al. | 2002-08-29 |
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