Issued Patents All Time
Showing 51–66 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8056638 | Consumable downhole tools | Robert Clayton, Kevin T. Berscheidt | 2011-11-15 |
| 8020619 | Severing of downhole tubing with associated cable | William F. Boelte | 2011-09-20 |
| 7997332 | Method and apparatus to remove a downhole drill collar from a well bore | — | 2011-08-16 |
| 7991901 | Method and system for characterization of online behavior | Maureen Mendick Tarquini, Robert Asheville Sandefur, Jr. | 2011-08-02 |
| 7900704 | Perforating torch apparatus and method | — | 2011-03-08 |
| 7726392 | Removal of downhole drill collar from well bore | — | 2010-06-01 |
| 7690428 | Perforating torch apparatus and method | — | 2010-04-06 |
| 7533179 | Method and system for characterization of online behavior | Maureen Mendick Tarquini, Robert Asheville Sandefur, Jr. | 2009-05-12 |
| 6971449 | Borehole conduit cutting apparatus and process | — | 2005-12-06 |
| 6925937 | Thermal generator for downhole tools and methods of igniting and assembly | — | 2005-08-09 |
| 6712143 | Borehole conduit cutting apparatus and process | — | 2004-03-30 |
| 6598679 | Radial cutting torch with mixing cavity and method | — | 2003-07-29 |
| 6186226 | Borehole conduit cutting apparatus | — | 2001-02-13 |
| 6080461 | Viscoelastic memory means and flow control valve and use thereof to produce a single-use, auto-destruct injection device | John J. Wozniak | 2000-06-27 |
| 5435394 | Anchor system for pipe cutting apparatus | — | 1995-07-25 |
| 4598769 | Pipe cutting apparatus | — | 1986-07-08 |