Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11174689 | Integration of mud and cementing equipment systems | Andrew Marlatt, John Allen Ray, David Gerard Gerber, Jr., Jagan Mohan Reddy Thaduri, Seoyeon Hong | 2021-11-16 |
| 10519731 | Evaluation and model of solids control equipment | Andrew Marlatt | 2019-12-31 |
| 8910720 | Downhole tool with roller screw assembly | Wade DuPree, Mark S. Holly, Derek Copold | 2014-12-16 |
| 8905148 | Force monitoring tractor | Keith R. Nelson, Gohar Saeed | 2014-12-09 |
| 8770303 | Self-aligning open-hole tractor | Todor Sheiretov, Keith R. Nelson | 2014-07-08 |
| 8602115 | Grip enhanced tractoring | Wade DuPree, Mark S. Holly, Derek Copold | 2013-12-10 |
| 7854258 | Self-anchoring device with force amplification | Todor Sheiretov, Dwight C. Chilcoat, Robin A. Ewan, Carl J. Roy, Matthew Billingham | 2010-12-21 |
| 7775272 | Passive centralizer | Keith R. Nelson | 2010-08-17 |
| 7516782 | Self-anchoring device with force amplification | Todor Sheiretov, Dwight C. Chilcoat, Robin A. Ewan, Carl J. Roy, Matthew Billingham | 2009-04-14 |