Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9732591 | Hydrostatic tubular lifting system | Federico Amezaga, Jim Hollingsworth | 2017-08-15 |
| 9650873 | Landing string compensator | Michael Hayes, Karsten Heidecke, David J. Havens, Raleigh Fisher, Jim Hollingsworth +1 more | 2017-05-16 |
| 9353603 | Landing string compensator | Michael Hayes, Karsten Heidecke, David J. Havens, Raleigh Fisher, Jim Hollingsworth +1 more | 2016-05-31 |
| 8733447 | Landing string compensator | Michael Hayes, Karsten Heidecke, David J. Havens, Raleigh Fisher, Jim Hollingsworth +1 more | 2014-05-27 |
| 8727037 | Well control operational and training aid | — | 2014-05-20 |
| 8678085 | Well control operational and training aid | — | 2014-03-25 |
| 7594551 | Downhole supercharger process | — | 2009-09-29 |
| 7066263 | Tension multiplier jar apparatus and method of operation | — | 2006-06-27 |
| 6338387 | Downward energized motion jars | William J. Mouton, Jr. | 2002-01-15 |
| 5335723 | Combination scratcher-centralizer for wellbore casings | — | 1994-08-09 |
| 4633958 | Downhole fluid supercharger | — | 1987-01-06 |