Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9637992 | Downhole spear having mechanical release mechanism for use in wellbores and methods of using same | Reena Thomas | 2017-05-02 |
| 8371387 | Methods and apparatus for manipulating and driving casing | Brent J. Fendley, Adam Richard Williams, John G. Evans | 2013-02-12 |
| 8342250 | Methods and apparatus for manipulating and driving casing | Brent J. Fendley, Adam Richard Williams, John G. Evans | 2013-01-01 |
| 8181699 | Auxiliary conduit cutting apparatus | Anthony C. Zavesky, Christopher W. Guidry, Steve Rosenblatt | 2012-05-22 |
| 7861772 | Packer retrieving mill with debris removal | — | 2011-01-04 |