Issued Patents All Time
Showing 76–94 of 94 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7698974 | Method and device for pipe splitting | — | 2010-04-20 |
| 7661655 | Dual capstan puller and method | — | 2010-02-16 |
| 7654341 | Drill stem coupling and method for a directional drill | — | 2010-02-02 |
| 7628212 | Drill stem connection and method | — | 2009-12-08 |
| 7578636 | Method and device for pipe splitting | — | 2009-08-25 |
| 7537059 | Drill rod greasing magazine and method | — | 2009-05-26 |
| 7448829 | Replacement of underground pipes | — | 2008-11-11 |
| 7434784 | Method and device for pulling a cable through a section of pipe | — | 2008-10-14 |
| 7434315 | Method and device for pipe splitting | — | 2008-10-14 |
| 7413033 | Directional drill head | — | 2008-08-19 |
| 7384214 | Pipe splitter and method | — | 2008-06-10 |
| 7341404 | Dual capstan puller and method | — | 2008-03-11 |
| 7318490 | Connection design and sonde housing assembly for a directional drill | — | 2008-01-15 |
| 7284624 | Drill gripping device and method | — | 2007-10-23 |
| 7217065 | Modular pipe breaking assembly and method | — | 2007-05-15 |
| 7147065 | Connection design and sonde housing assembly for a directional drill | — | 2006-12-12 |
| 7125001 | Method and device for pulling a cable through a section of pipe | — | 2006-10-24 |
| 6830234 | Method and device for pulling a cable through a section of pipe | — | 2004-12-14 |
| 5226488 | Truck mounted boring system | Willie J. Lessard, Brian Wilcox | 1993-07-13 |