Issued Patents All Time
Showing 176–200 of 214 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7190084 | Method and apparatus for generating electrical energy downhole | David R. Hall, Scott Dahlgren | 2007-03-13 |
| 7190280 | Method and apparatus for transmitting and receiving data to and from a downhole tool | David R. Hall | 2007-03-13 |
| 7186104 | Strain matched threads for a high pressure high temperature press apparatus | David R. Hall, Scott Dahlgren, Timothy C. Duke | 2007-03-06 |
| 7179018 | Apparatus and method for working asphalt pavement | David R. Hall, Francis Leany, Robert P. Chase, Jr., Garret Smith, Matthew Adam Hellewell | 2007-02-20 |
| 7165633 | Drilling fluid filter | David R. Hall, Kory Garner | 2007-01-23 |
| 7147965 | Pressure-balanced battery for downhole tools | David R. Hall | 2006-12-12 |
| 7139218 | Distributed downhole drilling network | David R. Hall, H. Tracy Hall, Jr., David Pixton | 2006-11-21 |
| 7116199 | Inductive coupler for downhole components and method for making same | David R. Hall, H. Tracy Hall, Jr., David Pixton, Scott Dahlgren, Cameron Sneddon +1 more | 2006-10-03 |
| 7105249 | Pressure-compensated downhole battery | David R. Hall | 2006-09-12 |
| 7098767 | Element for use in an inductive coupler for downhole drilling components | David R. Hall, H. Tracy Hall, Jr., David Pixton, Scott Dahlgren, Cameron Sneddon | 2006-08-29 |
| 7098802 | Signal connection for a downhole tool string | David R. Hall, H. Tracy Hall, Jr., David Pixton, Kline Bradford, Michael Briscoe | 2006-08-29 |
| 7091810 | Element of an inductive coupler | David R. Hall | 2006-08-15 |
| 7064676 | Downhole data transmission system | David R. Hall, H. Tracy Hall, Jr., David Pixton, Scott Dahlgren | 2006-06-20 |
| 7053788 | Transducer for downhole drilling components | David R. Hall | 2006-05-30 |
| 7041908 | Data transmission system for a downhole component | David R. Hall, Tracy Hall, David Pixton, Scott Dahlgren, Cameron Sneddon +1 more | 2006-05-09 |
| 7040003 | Inductive coupler for downhole components and method for making same | David R. Hall, H. Tracy Hall, Jr., David Pixton, Scott Dahlgren, Michael Briscoe +1 more | 2006-05-09 |
| 7017667 | Drill string transmission line | David R. Hall, H. Tracy Hall, Jr., David Pixton, Kline Bradford | 2006-03-28 |
| 7019665 | Polished downhole transducer having improved signal coupling | David R. Hall | 2006-03-28 |
| 7002445 | Loaded transducer for downhole drilling components | David R. Hall, H. Tracy Hall, Jr., David Pixton, Michael Briscoe, Scott Dahlgren +1 more | 2006-02-21 |
| 6991035 | Drilling jar for use in a downhole network | David R. Hall, James McPherson, David Pixton, Michael Briscoe | 2006-01-31 |
| 6992554 | Data transmission element for downhole drilling components | David R. Hall, H. Tracy Hall, Jr., David Pixton, Scott Dahlgren, Cameron Sneddon +1 more | 2006-01-31 |
| 6982384 | Load-resistant coaxial transmission line | David R. Hall | 2006-01-03 |
| 6981546 | Electrical transmission line diametrical retention mechanism | David R. Hall, H. Tracy Hall, Jr., David Pixton, Scott Dahlgren, Cameron Sneddon +1 more | 2006-01-03 |
| 6968611 | Internal coaxial cable electrical connector for use in downhole tools | David R. Hall, H. Tracy Hall, Jr., David Pixton, Scott Dahlgren, Cameron Sneddon +1 more | 2005-11-29 |
| 6945802 | Seal for coaxial cable in downhole tools | David R. Hall, H. Tracy Hall, Jr., David Pixton, Scott Dahlgren, Cameron Sneddon +1 more | 2005-09-20 |