Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9464505 | Flow control system with variable staged adjustable triggering device | Ricardo L. Martinez, Tauna Leonardi | 2016-10-11 |
| 9309735 | System and method for maintaining operability of a downhole actuator | — | 2016-04-12 |
| 8485798 | Pump apparatus, systems and methods | Ketankumar Kantilal Sheth, Thurkral Mandeep, John David Rowatt, Michael W. Miller | 2013-07-16 |
| 8469106 | Downhole displacement based actuator | Richard T. Caminari, Arin Basmajian, Brad Swenson, Grigory Arauz, Mark Penner | 2013-06-25 |
| 8365832 | Position retention mechanism for maintaining a counter mechanism in an activated position | Lauren M. Martin, Seth Conaway, Joseph O. Glasofer, Alexander Ryan Barnett, Anthony Villarreal +1 more | 2013-02-05 |
| 8074721 | Method for controlling a downhole tool with a linearly actuated hydraulic switch | Oguzhan Guven, Ricardo L. Martinez | 2011-12-13 |
| 7967075 | High angle water flood kickover tool | Arunkumar Arumugam, Tyson Messick, Kenneth C. Burnett, III | 2011-06-28 |
| 7886835 | High angle water flood kickover tool | Arunkumar Arumugam, Tyson Messick, Kenneth C. Burnett, III | 2011-02-15 |
| 7775779 | Pump apparatus, systems and methods | Ketankumar Kantilal Sheth, Thurkral Mandeep, John David Rowatt, Michael W. Miller | 2010-08-17 |
| 7128152 | Method and apparatus to selectively reduce wellbore pressure during pumping operations | Stephane J. Virally, Olukemi Aardalsbakke, Vincent Rodet | 2006-10-31 |
| 7128160 | Method and apparatus to selectively reduce wellbore pressure during pumping operations | Stephane J. Virally, Olukemi Aardalsbakke | 2006-10-31 |
| 6808020 | Debris-free valve apparatus and method of use | Christian D. Garcia, Stephane J. Virally, Patrick W. Bixenman | 2004-10-26 |
| 6732803 | Debris free valve apparatus | Christian D. Garcia, Stephane J. Virally, Patrick W. Bixenman | 2004-05-11 |
| 6575246 | Method and apparatus for gravel packing with a pressure maintenance tool | Patrick W. Bixenman, Micah L. Schutz, James A. Pramann, II | 2003-06-10 |
| 6382324 | One trip seal latch system | — | 2002-05-07 |
| 6343791 | Split mesh end ring | Thomas Edward Johnson | 2002-02-05 |
| 6220353 | Full bore set down tool assembly for gravel packing a well | Michael J. Foster, Harold Steven Bissonnette | 2001-04-24 |
| 5220962 | Pump apparatus for pumping well fluids from a wellbore having low formation pressure | Laurent E. Muller | 1993-06-22 |
| 4979569 | Dual action valve including at least two pressure responsive members | Vaughn Kennemer, Richard G. Lewis | 1990-12-25 |