Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10132125 | Resettable downhole torque limiter and related methods of use | Todd J. Roy, David J. Tilley | 2018-11-20 |
| 9429189 | Resettable downhole torque limiter and related methods of use | Todd J. Roy, David J. Tilley | 2016-08-30 |
| 9068416 | Wellbore knock-out chamber and related methods of use | David J. Tilley, Todd J. Roy | 2015-06-30 |
| 9062507 | Differential pressure wellbore tool and related methods of use | David J. Tilley, Todd J. Roy | 2015-06-23 |
| 9038736 | Wellbore filter screen and related methods of use | David J. Tilley, Todd J. Roy | 2015-05-26 |
| 8857517 | Wellbore cleanout tool | Kevin O. Trahan, Todd J. Roy, Javier E. Bolivar | 2014-10-14 |
| 8714260 | Multi-purpose well servicing apparatus | Todd J. Roy, Stephen R. Callegari, Sr. | 2014-05-06 |
| 8651181 | Downhole filter tool | Todd J. Roy, David J. Tilley | 2014-02-18 |
| 8616292 | Resettable downhole torque limiter and related methods of use | Todd J. Roy, David J. Tilley | 2013-12-31 |
| 8550176 | Wellbore bypass tool and related methods of use | Todd J. Roy, David J. Tilley | 2013-10-08 |
| 8403067 | Repeatable, compression set downhole bypass valve | Todd J. Roy, David J. Tilley | 2013-03-26 |
| 8376043 | Downhole scraping and/or brushing tool and related methods | Todd J. Roy, Clint Musemeche | 2013-02-19 |
| 8336617 | Downhole filter tool | Todd J. Roy, David J. Tilley | 2012-12-25 |