Issued Patents All Time
Showing 201–214 of 214 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6929493 | Electrical contact for downhole drilling networks | David R. Hall, H. Tracy Hall, Jr., David Pixton, Scott Dahlgren, Cameron Sneddon | 2005-08-16 |
| 6913093 | Loaded transducer for downhole drilling components | David R. Hall, H. Tracy Hall, Jr., David Pixton, Scott Dahlgren, Cameron Sneddon +1 more | 2005-07-05 |
| 6888473 | Repeatable reference for positioning sensors and transducers in drill pipe | David R. Hall, David Pixton, H. Tracy Hall, Jr. | 2005-05-03 |
| 6844498 | Data transmission system for a downhole component | David R. Hall, H. Tracy Hall, Jr., David Pixton, Scott Dahlgren, Cameron Sneddon +1 more | 2005-01-18 |
| 6830467 | Electrical transmission line diametrical retainer | David R. Hall, H. Tracy Hall, Jr., David Pixton, Scott Dahlgren, Cameron Sneddon +1 more | 2004-12-14 |
| 6821147 | Internal coaxial cable seal system | David R. Hall, H. Tracy Hall, Jr., David Pixton, Scott Dahlgren, Cameron Sneddon +1 more | 2004-11-23 |
| 6799632 | Expandable metal liner for downhole components | David R. Hall | 2004-10-05 |
| 6733087 | Pick for disintegrating natural and man-made materials | David R. Hall | 2004-05-11 |
| 6717501 | Downhole data transmission system | David R. Hall, H. Tracy Hall, Jr., David Pixton, Scott Dahlgren | 2004-04-06 |
| 6670880 | Downhole data transmission system | David R. Hall, H. Tracy Hall, Jr., David Pixton, Scott Dahlgren | 2003-12-30 |
| 6394198 | Frictional vibration damper for downhole tools | David R. Hall | 2002-05-28 |
| 6392317 | Annular wire harness for use in drill pipe | David R. Hall | 2002-05-21 |
| 6390181 | Densely finned tungsten carbide and polycrystalline diamond cooling module | David R. Hall | 2002-05-21 |
| 6124573 | Metallized graphite heater for a high-pressure high-temperature reaction vessel | David R. Hall, Ronald B. Crockett, Damon B. Crockett | 2000-09-26 |