Issued Patents All Time
Showing 26–50 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7347278 | Secure activation of a downhole device | Nolan C. Lerche, Choon Fei Wong | 2008-03-25 |
| 7336474 | Microelectromechanical devices | Nolan C. Lerche, Anthony Veneruso | 2008-02-26 |
| 7116542 | Micro-switches for downhole use | Nolan C. Lerche, Charles Cameron Abnet, Clarence Chui, Stuart B. Brown | 2006-10-03 |
| 7007756 | Providing electrical isolation for a downhole device | Nolan C. Lerche, Choon Fei Wong | 2006-03-07 |
| 6942033 | Optimizing charge phasing of a perforating gun | Jorge E. Lopez de Cardenas | 2005-09-13 |
| 6938689 | Communicating with a tool | Simon L. Farrant, Nolan C. Lerche, Edward H. Rogers, Michael L. Timmons, Anthony F. Venersuo | 2005-09-06 |
| 6896059 | Components and methods for use with explosives | Wenbo Yang, Brenden M. Grove, Ian C. Walton, Lawrence A. Behrmann | 2005-05-24 |
| 6752083 | Detonators for use with explosive devices | Nolan C. Lerche, Kenneth E. Rozek | 2004-06-22 |
| 6651564 | High energy explosive for seismic methods | Glen-Allan Tite, Wallace E. Voreck | 2003-11-25 |
| 6648097 | Seismic methods having extended energy release | Glen-Allen Tite, Wallace E. Voreck | 2003-11-18 |
| 6598682 | Reservoir communication with a wellbore | Ashley Bernard Johnson, Lawrence A. Behrmann, Adinathan Venkitaraman, Ian C. Walton, Anthony P. Vovers +3 more | 2003-07-29 |
| 6591911 | Multi-directional gun carrier method and apparatus | Daniel C. Markel, Victor M. Vu, Simon L. Farrant | 2003-07-15 |
| 6554081 | Components and methods for use with explosives | Wenbo Yang, Brenden M. Grove, Ian C. Walton, Manish Kothari, Lawrence A. Behrmann +3 more | 2003-04-29 |
| 6419044 | Energy source for use in seismic acquisitions | Glen-Allan Tite, Paul A. Lezak | 2002-07-16 |
| 6390889 | Holding strip for a semiconductor ingot | A. Dempsey McGregor, Marshall P. Toombs, Benjamin J. Meadows | 2002-05-21 |
| 6386108 | Initiation of explosive devices | Nolan C. Lerche | 2002-05-14 |
| 6386109 | Shock barriers for explosives | Thomas H. Zimmerman, Daniel C. Markel, Wenbo Yang, James F. Shelton, Wallace E. Voreck | 2002-05-14 |
| 6385031 | Switches for use in tools | Nolan C. Lerche | 2002-05-07 |
| 6367467 | Holding unit for semiconductor wafer sawing | A. Dempsey McGregor, Marshall P. Toombs, Benjamin J. Meadows | 2002-04-09 |
| 6349649 | Perforating devices for use in wells | Jerome J. Jacoby, Clifford L. Aseltine | 2002-02-26 |
| 6296044 | Injection molding | Wenbo Yang, Ronald G. Iacocca | 2001-10-02 |
| 6238595 | Target for testing perforating systems | Wenbo Yang | 2001-05-29 |
| 6148263 | Activation of well tools | Nolan C. Lerche, Gerald W. Robertson, Michael L. Timmons | 2000-11-14 |
| 5974440 | Microprocessor with circuits, systems, and methods for interrupt handling during virtual task operation | Robert R. Collins, Jonathan H. Shiell | 1999-10-26 |
| 5921850 | Apparatus for loading a workpiece into a through-feed mechanism | Tony Murray | 1999-07-13 |