Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE39259 | Apparatus and method for providing electrical transmission of power and signals in a directional drilling apparatus | Matthew Arlen Mills | 2006-09-05 |
| 6814164 | Pipe loading device for a directional drilling apparatus | Matthew Arlen Mills, Steven C. Erickson | 2004-11-09 |
| 6766869 | Remote lock-out system and method for a horizontal directional drilling machine | Ivan R. Brand, Scott E. Kilborn, Hans Kelpe | 2004-07-27 |
| 6755263 | Underground drilling device and method employing down-hole radar | Kevin L. Alft, Brian John Bischel, Hans Kelpe | 2004-06-29 |
| 6557651 | Automated lubricant dispensing system and method for a horizontal directional drilling machine | Duane E. Norby, Brian John Bischel, Steven C. Erickson, Scott Rempe | 2003-05-06 |
| 6533046 | Pipe loading device for a directional drilling apparatus | Matthew Arlen Mills, Steven C. Erickson | 2003-03-18 |
| 6491115 | Directional drilling machine and method of directional drilling | Mark Van Houwelingen, Randy R. Runquist, Brian John Bischel, Mark Robert Stelter | 2002-12-10 |
| 6474931 | Directional drilling machine with multiple pocket rod indexer | Scott Rempe | 2002-11-05 |
| 6470976 | Excavation system and method employing adjustable down-hole steering and above-ground tracking | Kevin L. Alft, Brian John Bischel, Hans Kelpe | 2002-10-29 |
| 6408952 | Remote lock-out system and method for a horizontal direction drilling system | Ivan R. Brand, Fred G. Delonti | 2002-06-25 |
| 6367564 | Apparatus and method for providing electrical transmission of power and signals in a directional drilling apparatus | Matthew Arlen Mills | 2002-04-09 |
| 6332502 | Pipe loading device for a directional drilling apparatus | Matthew Arlen Mills, Steven C. Erickson | 2001-12-25 |
| 5941320 | Directional boring machine | David Langenfeld, Peter C. Rozendaal | 1999-08-24 |
| 5531283 | Drivetrain and load bearing swivel hitch assemby and combine incorporating same | Gary E. Coppock | 1996-07-02 |
| 5355971 | Drivetrain and load bearing swivel hitch assembly and combine incorporating same | Gary E. Coppock | 1994-10-18 |