Issued Patents All Time
Showing 25 most recent of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8522897 | Lead the bit rotary steerable tool | David R. Hall, David Lundgreen, Scott Richard Woolston | 2013-09-03 |
| 8499857 | Downhole jack assembly sensor | David R. Hall, David Lundgreen, Jim Shumway, Nathan Nelson, Daryl Wise | 2013-08-06 |
| 8408336 | Flow guide actuation | David R. Hall, Scott Dahlgren, Christopher Durrand, Jonathan Marshall | 2013-04-02 |
| 8395388 | Circumferentially spaced magnetic field generating devices | David R. Hall, Clint Cook | 2013-03-12 |
| 8360174 | Lead the bit rotary steerable tool | David R. Hall, David Lundgreen, Scott Richard Woolston | 2013-01-29 |
| 8316964 | Drill bit transducer device | David R. Hall, Christopher Durrand, Daryl Wise | 2012-11-27 |
| 8299795 | Independently excitable resistivity units | David R. Hall, Harold L. Synder, Jr., Clint Cook, Katie George | 2012-10-30 |
| 8267196 | Flow guide actuation | David R. Hall, Scott Dahlgren, Christopher Durrand, Jonathan Marshall | 2012-09-18 |
| 8198898 | Downhole removable cage with circumferentially disposed instruments | David R. Hall, Katie George | 2012-06-12 |
| 8130117 | Drill bit with an electrically isolated transmitter | David R. Hall, Christopher Durrand | 2012-03-06 |
| 8091627 | Stress relief in a pocket of a downhole tool string component | David R. Hall, Scott Dahlgren | 2012-01-10 |
| 8072221 | Externally guided and directed field induction resistivity tool | Harold Snyder | 2011-12-06 |
| 8061443 | Downhole sample rate system | David R. Hall, Christopher Durrand | 2011-11-22 |
| 8030936 | Logging tool with independently energizable transmitters | David R. Hall, Harold Snyder, Clint Cook, Katie George | 2011-10-04 |
| 8028768 | Displaceable plug in a tool string filter | David R. Hall, David Lundgreen | 2011-10-04 |
| 7994791 | Resistivity receiver spacing | David R. Hall, Harold Snyder, Clint Cook, Katie George | 2011-08-09 |
| 7980331 | Accessible downhole power assembly | David R. Hall, Nathan Nelson | 2011-07-19 |
| 7948239 | Method for controlling a depth of an induction field | David R. Hall, Harold Snyder, Clint Cook | 2011-05-24 |
| 7900720 | Downhole drive shaft connection | David R. Hall, David Lundgreen, Daryl Wise, Nathan Nelson, Andrew Pilgrim +1 more | 2011-03-08 |
| 7898259 | Downhole induction resistivity tool | David R. Hall, Harold Snyder, Clint Cook, Katie George | 2011-03-01 |
| 7897915 | Segmented tubular body | David R. Hall, Scott Richard Woolston, Nathan Nelson | 2011-03-01 |
| 7897914 | Downhole nuclear tool | David R. Hall, Scott Richard Woolston, Nathan Nelson | 2011-03-01 |
| 7888940 | Induction resistivity cover | David R. Hall, Harold L. Synder, Jr., Clint Cook, Katie George | 2011-02-15 |
| 7884611 | Method for controlling a characteristic of an induction field | David R. Hall, Harold Snyder, Clint Cook | 2011-02-08 |
| 7721826 | Downhole jack assembly sensor | David R. Hall, David Lundgreen, Jim Shumway, Nathan Nelson, Daryl Wise | 2010-05-25 |