Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8556354 | Track tensioning system | Levi M. Johnson | 2013-10-15 |
| 8240783 | Track tensioning system | Levi M. Johnson | 2012-08-14 |
| 7011166 | System and method for assisting with automatically connecting pipe joints with a horizontal boring machine | Geoff D. Koch, Brad Mitchell | 2006-03-14 |
| 6550547 | System and method for automatically controlling a pipe handling system for a horizontal boring machine | David R. Payne, Cody L. Sewell, Kelvin P. Self, J. Kevin Wilda | 2003-04-22 |
| 6179065 | System and method for automatically controlling a pipe handling system for a horizontal boring machine | David R. Payne, Cody L. Sewell, Kelvin P. Self, J. Kevin Wilda | 2001-01-30 |