Issued Patents All Time
Showing 1–25 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12006778 | Non-rotating drill pipe protector tool having multiple types of hydraulic bearings | Sarah Banks | 2024-06-11 |
| 11512578 | Downhole active torque control method | Rudolph Ernst Krueger, V, Philip Wayne Mock, Rudolph Ernst Krueger, IV | 2022-11-29 |
| 11473376 | Non-rotating vibration reduction sub | Sarah Banks, Eric Gollmyer | 2022-10-18 |
| 9988868 | Gripper assembly for downhole tools | Duane Bloom, Rudolph Ernst Krueger, V | 2018-06-05 |
| 9228403 | Gripper assembly for downhole tools | Duane Bloom, Rudolph Ernst Krueger, V | 2016-01-05 |
| 8944161 | Gripper assembly for downhole tools | Duane Bloom, Rudolph Ernst Krueger, V | 2015-02-03 |
| 8833487 | Mechanical specific energy drilling system | Rudolf Ernst Krueger, IV, Philip Wayne Mock | 2014-09-16 |
| 8800664 | Non-rotating buoyancy modules for sub-sea conduits | Eric Gollmyer, Sarah Mitchell, Rudolph Ernest Krueger, IV | 2014-08-12 |
| 8668007 | Non-rotating casing centralizer | Garrett Casassa, Sarah Mitchell | 2014-03-11 |
| 8555963 | Gripper assembly for downhole tools | Duane Bloom, Rudolph Ernst Krueger, V | 2013-10-15 |
| 8511377 | Open hole non-rotating sleeve and assembly | Garrett Casassa, Sarah Mitchell | 2013-08-20 |
| 8069917 | Gripper assembly for downhole tools | Duane Bloom, Rudolph Ernst Krueger, V | 2011-12-06 |
| 8028766 | Electrically powered tractor | — | 2011-10-04 |
| 7770667 | Electrically powered tractor | — | 2010-08-10 |
| 7607495 | Tractor with improved valve system | Duane Bloom, Robert Levay | 2009-10-27 |
| 7604060 | Gripper assembly for downhole tools | Duane Bloom, Rudolph Ernst Krueger, V | 2009-10-20 |
| 7493967 | Tractor with improved valve system | Philip Wayne Mock, Rudolph Ernst Krueger, V, Duane Bloom | 2009-02-24 |
| 7353886 | Tractor with improved valve system | Duane Bloom, Robert Levay | 2008-04-08 |
| 7275593 | Gripper assembly for downhole tools | Duane Bloom, Rudolph Ernst Krueger, V | 2007-10-02 |
| 7273109 | Puller-thruster downhole tool | Ronald E. Beaufort, Rudolph Ernst Krueger, V | 2007-09-25 |
| 7191829 | Gripper assembly for downhole tools | Duane Bloom, Rudolph Ernst Krueger, V | 2007-03-20 |
| 7188681 | Tractor with improved valve system | Duane Bloom, Robert Levay | 2007-03-13 |
| 7185716 | Electrically sequenced tractor | Duane Bloom, Ronald E. Beaufort | 2007-03-06 |
| 7174974 | Electrically sequenced tractor | Duane Bloom, Ronald E. Beaufort | 2007-02-13 |
| 7156181 | Puller-thruster downhole tool | Ronald E. Beaufort, Rudolph Ernst Krueger, V | 2007-01-02 |