Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10385605 | Tailgate sensor | Jacob Limke, Willem Jacobus Reijersen Van Buuren, Ty Hartwick, Kent P. Thoreson | 2019-08-20 |
| 10012041 | Drill rod tallying system and method | — | 2018-07-03 |
| 9926744 | Devices and methods for horizontal directional drilling with a boring tool library | — | 2018-03-27 |
| 9719314 | Drill rod tallying system and method | — | 2017-08-01 |
| 9127510 | Dual drive directional drilling system | Matthew Stringer, Nathaniel Zadok Gustavson, Michael D. Van Zee, Kevin Duane Sebolt, Tod Michael | 2015-09-08 |
| 8807241 | Devices and methods for horizontal directional drilling with a boring tool library | — | 2014-08-19 |
| 8499855 | Devices and methods for horizontal directional drilling with a boring tool library | — | 2013-08-06 |
| 8136612 | Constant-mode auto-drill with pressure derivative control | Robin W. Carlson | 2012-03-20 |
| 7954558 | Devices and methods for power control in horizontal directional drilling | Douglas R. Peirce | 2011-06-07 |
| 7113708 | Data communications link | Stephen Creaney, Richard J. Ferguson, Thomas Crummey | 2006-09-26 |
| 6754240 | Format for an optical data link | Thomas Crummey, Richard John Fergusson, Shaun Kerigan | 2004-06-22 |
| 6693895 | Multiple synchronous data stream format for an optical data link | Thomas Crummey, Richard John Fergusson, Shaun Kerigan | 2004-02-17 |