Issued Patents All Time
Showing 26–50 of 65 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8934214 | Plasma gap detonator with novel initiation scheme | Tony Forbes Grattan | 2015-01-13 |
| 8336437 | Perforating gun assembly and method for controlling wellbore pressure regimes during perforating | Darren Ross Barlow, Cam Van Le | 2012-12-25 |
| 8291826 | Deflagration to detonation transition device | Thomas J. Wuensche, Gayle Moritz | 2012-10-23 |
| 8286555 | Deflagration to detonation transition device | Thomas J. Wuensche, Gayle Moritz | 2012-10-16 |
| 8161880 | Deflagration to detonation transition device | Thomas J. Wuensche, Gayle Moritz | 2012-04-24 |
| 7303017 | Perforating gun assembly and method for creating perforation cavities | Michael Rogers, Duncan MacNiven | 2007-12-04 |
| 7172023 | Perforating gun assembly and method for enhancing perforation depth | Michael Rogers, Duncan MacNiven | 2007-02-06 |
| 7104326 | Apparatus and method for severing pipe utilizing a multi-point initiation explosive device | Antony F. Grattan, Michael L. Patterson, Thomas J. Wuensche | 2006-09-12 |
| 6758124 | Unique phasings and firing sequences for perforating guns | Jerry L. Walker | 2004-07-06 |
| 6748843 | Unique phasings and firing sequences for perforating guns | Jerry L. Walker | 2004-06-15 |
| 6729406 | Method and apparatus for performing cutting operations in a subterranean well | Dannie R. Collins, David J. Leidel, John A. Regalbuto | 2004-05-04 |
| 6657521 | Microwave waveguide filter having rectangular cavities, and method for its fabrication | Paul J. Tatomir, Keith N. Loi, Richard L. Bennett, Louis W. Hendrick, Rolf Kich | 2003-12-02 |
| 6629597 | Method and system for packaging explosive products for transportation | — | 2003-10-07 |
| 6489858 | H-plane offset transitions in a switchable waveguide | Rolf Kich, Richard L. Bennett | 2002-12-03 |
| 6454085 | Method and system for packaging explosive products of transportation | — | 2002-09-24 |
| 6448869 | E-plane offset transitions in a switchable waveguide | Rolf Kich, Richard L. Bennett | 2002-09-10 |
| 6371219 | Oilwell perforator having metal loaded polymer matrix molded liner and case | William Richard Collins, David J. Leidel, Jerry L. Walker, Nathan G. Clark | 2002-04-16 |
| 6295912 | Positive alignment insert (PAI) with imbedded explosive | John D. Burleson, Joseph Albert Henke, Duc B. Nguyen | 2001-10-02 |
| 6181221 | Reflective waveguide variable power divider/combiner | Rolf Kich | 2001-01-30 |
| 6135206 | Apparatus for completing a subterranean well and associated methods of using same | John C. Gano | 2000-10-24 |
| 6025809 | Antenna radiating element | Steven O. Lane, Michael Grall, Louis W. Hendrick | 2000-02-15 |
| 5813465 | Apparatus for completing a subterranean well and associated methods of using same | Jamie B. Terrell | 1998-09-29 |
| H1675 | Hybrid capsule charge | Jerry L. Walker, Robert S. Riggs | 1997-09-02 |
| 5431104 | Exploding foil initiator using a thermally stable secondary explosive | — | 1995-07-11 |
| 5228924 | Photovoltaic panel support assembly | John Underwood, Jefferson Shingleton | 1993-07-20 |