Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10036211 | Torque limiting device | Michael Keith Sullivan, Shane P. Hart, Mark C. Glaser | 2018-07-31 |
| 9863217 | Magnetic cleaning tool | — | 2018-01-09 |
| RE46286 | Downhole mixing tool | Richard A. Armell | 2017-01-24 |
| 9453374 | Torque limiting device | Michael Keith Sullivan, Shane P. Hart, Mark C. Glaser | 2016-09-27 |
| 9291035 | Wellbore cleaning apparatus and method | — | 2016-03-22 |
| 8684086 | Downhole mixing tool | Richard A. Armell | 2014-04-01 |