Issued Patents All Time
Showing 25 most recent of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7948395 | Downhole transmission system comprising a coaxial capacitor | David R. Hall, Monte Johnson, David Bartholomew, H. Tracy Hall, Jr., Michael Rawle | 2011-05-24 |
| 7828301 | Self-energized backup ring for annular seals | Michael Briscoe, James McPherson | 2010-11-09 |
| 7424928 | Apparatus, system and method for flexibly coupling sensors to a downhole tool | Dale Cox, David R. Hall, H. Tracy Hall, Jr., Scott Dahlgren | 2008-09-16 |
| 7303029 | Filter for a drill string | David R. Hall, Michael Briscoe, James McPherson | 2007-12-04 |
| 7261154 | Conformable apparatus in a drill string | David R. Hall, H. Tracy Hall, Jr., Joe Fox | 2007-08-28 |
| 7253671 | Apparatus and method for compensating for clock drift in downhole drilling components | David R. Hall, Monte Johnson, David Bartholomew, H. Tracy Hall, Jr. | 2007-08-07 |
| 7243717 | Apparatus in a drill string | David R. Hall, Scott Dahlgren, Tracy Hall, Joe Fox | 2007-07-17 |
| 7207396 | Method and apparatus of assessing down-hole drilling conditions | David R. Hall, Monte Johnson, David Bartholomew, Joe Fox | 2007-04-24 |
| 7198118 | Communication adapter for use with a drilling component | David R. Hall, H. Tracy Hall, Jr., Kline Bradford, Michael Rawle | 2007-04-03 |
| 7193527 | Swivel assembly | David R. Hall, Michael Briscoe, Kline Bradford, Michael Rawle, David Bartholomew +1 more | 2007-03-20 |
| 7193526 | Downhole tool | David R. Hall, Andrei Muradov, Scott Dahlgren, Michael Briscoe | 2007-03-20 |
| 7139218 | Distributed downhole drilling network | David R. Hall, H. Tracy Hall, Jr., Joe Fox | 2006-11-21 |
| 7116199 | Inductive coupler for downhole components and method for making same | David R. Hall, H. Tracy Hall, Jr., Scott Dahlgren, Cameron Sneddon, Joe Fox +1 more | 2006-10-03 |
| 7098802 | Signal connection for a downhole tool string | David R. Hall, H. Tracy Hall, Jr., Kline Bradford, Joe Fox, Michael Briscoe | 2006-08-29 |
| 7098767 | Element for use in an inductive coupler for downhole drilling components | David R. Hall, H. Tracy Hall, Jr., Scott Dahlgren, Joe Fox, Cameron Sneddon | 2006-08-29 |
| 7093654 | Downhole component with a pressure equalization passageway | David R. Hall, Scott Dahlgren, Jay Reynolds, James Breihan, Michael Briscoe | 2006-08-22 |
| 7069999 | Apparatus and method for routing a transmission line through a downhole tool | David R. Hall, H. Tracy Hall, Jr., Michael Briscoe, Jay Reynolds | 2006-07-04 |
| 7064676 | Downhole data transmission system | David R. Hall, H. Tracy Hall, Jr., Scott Dahlgren, Joe Fox | 2006-06-20 |
| 7040003 | Inductive coupler for downhole components and method for making same | David R. Hall, H. Tracy Hall, Jr., Scott Dahlgren, Michael Briscoe, Cameron Sneddon +1 more | 2006-05-09 |
| 7041908 | Data transmission system for a downhole component | David R. Hall, Tracy Hall, Scott Dahlgren, Joe Fox, Cameron Sneddon +1 more | 2006-05-09 |
| 7017667 | Drill string transmission line | David R. Hall, H. Tracy Hall, Jr., Kline Bradford, Joe Fox | 2006-03-28 |
| 7002445 | Loaded transducer for downhole drilling components | David R. Hall, H. Tracy Hall, Jr., Michael Briscoe, Scott Dahlgren, Joe Fox +1 more | 2006-02-21 |
| 6991035 | Drilling jar for use in a downhole network | David R. Hall, Joe Fox, James McPherson, Michael Briscoe | 2006-01-31 |
| 6992554 | Data transmission element for downhole drilling components | David R. Hall, H. Tracy Hall, Jr., Scott Dahlgren, Joe Fox, Cameron Sneddon +1 more | 2006-01-31 |
| 6981546 | Electrical transmission line diametrical retention mechanism | David R. Hall, H. Tracy Hall, Jr., Scott Dahlgren, Cameron Sneddon, Michael Briscoe +1 more | 2006-01-03 |