Issued Patents All Time
Showing 1–25 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10612346 | Concentric flow valve | Dewayne Turner | 2020-04-07 |
| 10115605 | Vacuum assisted sealing processes and systems for increasing air cavity package manufacturing rates | John Ni, Raymond J. Bregante, Biao Fu, Michael Bregante, Cresencio Amparo | 2018-10-30 |
| 8870153 | Pressure activated ratcheting valve | — | 2014-10-28 |
| 8790046 | High pressure slurry nozzle | — | 2014-07-29 |
| 8759965 | Modular low stress package technology | Craig J. Rotay, John Ni, David Lam, David Lee DeWire, John W. Roman | 2014-06-24 |
| 8689887 | Methods of operating a radial flow valve | — | 2014-04-08 |
| 8639373 | Modular low stress package technology | Craig J. Rotay, John Ni, David Lam, David Lee DeWire, John W. Roman | 2014-01-28 |
| 8579255 | Step ratchet mechanism | — | 2013-11-12 |
| 8560104 | Modular low stress package technology | Craig J. Rotay, John Ni, David Lam, David Lee DeWire, John W. Roman | 2013-10-15 |
| 8283769 | Modular low stress package technology | Craig J. Rotay, John Ni, David Lam, David Lee DeWire, John W. Roman | 2012-10-09 |
| 8251150 | Radial flow valve and method | — | 2012-08-28 |
| 8157017 | Method and apparatus for injecting fluid in a wellbore | Dewayne Turner | 2012-04-17 |
| 8153474 | Modular low stress package technology | Craig J. Rotay, John Ni, David Lam, David Lee DeWire, John W. Roman | 2012-04-10 |
| 7845416 | Hydraulic sleeve valve with position indication, alignment, and bypass | Dewayne Turner | 2010-12-07 |
| 7807154 | Leptin antagonist and method for quantitative measurement of leptin | Christian J. Strasburger, Martin Bidlingmaier, Zida Wu, Guiseppe Matarese | 2010-10-05 |
| 7665528 | Frangible flapper valve with hydraulic impact sleeve and method of breaking | Russell LaFargue | 2010-02-23 |
| 7665526 | System and method for downhole operation using pressure activated and sleeve valve assembly | Dewayne Turner, Marvin Bryce Traweek | 2010-02-23 |
| 7520333 | Hydraulic sleeve valve with position indication, alignment, and bypass | Dewayne Turner, Kenneth E. Rozek, Todd Ulrich Chretien | 2009-04-21 |
| 7497265 | Reclosable mechanical annular flow valve | Dewayne Turner | 2009-03-03 |
| 7475479 | Method for anchoring a hollow fence post | — | 2009-01-13 |
| 7448591 | Step ratchet mechanism | — | 2008-11-11 |
| 7395862 | Combination jar and disconnect tool | Dewayne Turner | 2008-07-08 |
| 7303020 | Interventionless oil tool actuator with floating piston and method of use | Floyd Bishop, Marvin Bryce Traweek | 2007-12-04 |
| 7201232 | Washpipeless isolation strings and methods for isolation with object holding service tool | Dewayne Turner, Donald H. Michel, Marvin Bryce Traweek, Floyd Bishop, Gregg W. Stout | 2007-04-10 |
| 7198109 | Double-pin radial flow valve | Dewayne Turner | 2007-04-03 |