Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10474057 | Developer bias and activation delay system and method | Don W. Stafford | 2019-11-12 |
| 9777558 | Methods and devices for one trip plugging and perforating of oil and gas wells | Andrew M. Ferguson, Stanley W. Loving, Dale Norman | 2017-10-03 |
| 8783338 | Methods and devices for one trip plugging and perforating of oil and gas wells | Andrew M. Ferguson, Stanley W. Loving, Dale Norman | 2014-07-22 |
| 8403049 | Methods and devices for one trip plugging and perforating of oil and gas wells | Andrew M. Ferguson, Stanley W. Loving, Dale Norman | 2013-03-26 |
| 8210250 | Methods and devices for one trip plugging and perforating of oil and gas wells | Andrew M. Ferguson, Stanley W. Loving, Dale Norman | 2012-07-03 |
| 8066059 | Methods and devices for one trip plugging and perforating of oil and gas wells | Andrew M. Ferguson, Stanley W. Loving, Dale Norman | 2011-11-29 |
| 6564868 | Cutting tool and method for cutting tubular member | Andrew M. Ferguson, Mark S. Britton, Charles Curtis Overstreet | 2003-05-20 |
| 6439866 | Downhole rotary motor with sealed thrust bearing assembly | Robert J. Farkas, Andrew M. Ferguson | 2002-08-27 |
| 5678634 | Method and apparatus for retrieving a whipstock | Hans H. Rehbock, Gerald D. Lynde, Ed Lueders, John J. Johnson, Greg Nazzal | 1997-10-21 |