Issued Patents All Time
Showing 476–494 of 494 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7428922 | Valve and position control using magnetorheological fluids | Darren Ross Barlow, Brandon Soileau | 2008-09-30 |
| 7404416 | Apparatus and method for creating pulsating fluid flow, and method of manufacture for the apparatus | Roger L. Schultz, Robert Michael, Pete Dagenais, James C. Tucker | 2008-07-29 |
| 7363967 | Downhole tool with navigation system | Wesley J. Burris, II, Kenneth L. Schwendemann, Phillip M. Starr, John J. Goiffon, John H. Hales +2 more | 2008-04-29 |
| 7325605 | Flexible piezoelectric for downhole sensing, actuation and health monitoring | John P. Rodgers, Roger L. Schultz | 2008-02-05 |
| 7322416 | Methods of servicing a well bore using self-activating downhole tool | Wesley J. Burris, II, Kenneth L. Schwendemann, Phillip M. Starr, John J. Goiffon, John H. Hales +2 more | 2008-01-29 |
| 7258169 | Methods of heating energy storage devices that power downhole tools | Bruce H. Storm, Jr., Michael Huh, Roger L. Schultz | 2007-08-21 |
| 7246660 | Borehole discontinuities for enhanced power generation | Marthinus van Schoor, John P. Rodgers, Roger L. Schultz | 2007-07-24 |
| 7246659 | Damping fluid pressure waves in a subterranean well | Adam D. Wright | 2007-07-24 |
| 7234519 | Flexible piezoelectric for downhole sensing, actuation and health monitoring | Roger L. Schultz, John P. Rodgers | 2007-06-26 |
| 7199480 | Vibration based power generator | Robert Michael | 2007-04-03 |
| 7165608 | Wellbore power generating system for downhole operation | Roger L. Schultz, Brock Watson | 2007-01-23 |
| 7082078 | Magnetorheological fluid controlled mud pulser | Neal G. Skinner, Wilson C. Chin | 2006-07-25 |
| 7063146 | System and method for processing signals in a well | Roger L. Schultz | 2006-06-20 |
| 7012545 | Annulus pressure operated well monitoring | Neal G. Skinner, Roger L. Schultz | 2006-03-14 |
| 6998999 | Hybrid piezoelectric and magnetostrictive actuator | Roger L. Schultz | 2006-02-14 |
| 6848503 | Wellbore power generating system for downhole operation | Roger L. Schultz, Brock Watson | 2005-02-01 |
| 6717283 | Annulus pressure operated electric power generator | Neal G. Skinner, Roger L. Schultz | 2004-04-06 |
| 6695061 | Downhole tool actuating apparatus and method that utilizes a gas absorptive material | Neal G. Skinner, Roger L. Schultz | 2004-02-24 |
| 6672382 | Downhole electrical power system | Roger L. Schultz, Brock Watson, Juanita M. Cassidy | 2004-01-06 |