Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7336199 | Inductive coupling system | Jeffrey B. Lasater, Ronald G. Earles, John Hardin, Imran Sharif Vehra, Randal Thomas Beste +3 more | 2008-02-26 |
| 6414905 | Method and apparatus for communicating coded messages in a wellbore | Steve C. Owens, Brett W. Bouldin, David Rothers, Douglas J. Lehr | 2002-07-02 |
| 6273189 | Downhole tractor | Robert William Gissler, Daniel George Purkis | 2001-08-14 |
| 6269883 | Disconnect tool | Robert William Gissler | 2001-08-07 |
| 6021095 | Method and apparatus for remote control of wellbore end devices | Paulo Tubel, David Rothers, Albert Augustus Mullins, Mark McCorry | 2000-02-01 |
| 5959547 | Well control systems employing downhole network | Paulo Tubel | 1999-09-28 |
| 5856790 | Remote control for a plug-dropping head | John L. Baugh, Steven C. Owens, David Rothers | 1999-01-05 |
| 5839508 | Downhole apparatus for generating electrical power in a well | Paulo Tubel, John L. Baugh, Albert Augustus Mullins, Robert C. Ross | 1998-11-24 |
| 5833002 | Remote control plug-dropping head | — | 1998-11-10 |
| 5590713 | Remote control for well tool | John L. Baugh, Steven C. Owens, David Rothers | 1997-01-07 |
| 5579283 | Method and apparatus for communicating coded messages in a wellbore | Steve C. Owens, Brett W. Bouldin, David Rothers, Douglas J. Lehr | 1996-11-26 |
| 5558153 | Method & apparatus for actuating a downhole tool | David Rothers, Steve C. Owens, William David Henderson, James C. Doane | 1996-09-24 |
| 5516603 | Flexible battery pack | — | 1996-05-14 |
| 5435390 | Remote control for a plug-dropping head | John L. Baugh, Steven C. Owens, David Rothers | 1995-07-25 |