Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7654340 | Directional reaming system | Kelvin P. Self, Floyd R. Gunsaulis, H. Stanley Mullins, Gerald A. Stangl | 2010-02-02 |
| 7413031 | Apparatus and method for maintaining control of a drilling machine | Geoff D. Koch, Lee Widener | 2008-08-19 |
| 7392858 | Remote control for a drilling machine | Geoff D. Koch, Lee Widener | 2008-07-01 |
| 7216724 | Coupling for dual member pipe | Kelvin P. Self, Floyd R. Gunsaulis | 2007-05-15 |
| 7195079 | Directional reaming system | Kelvin P. Self, Floyd R. Gunsaulis, H. Stanley Mullins, Gerald A. Stangl | 2007-03-27 |
| 6896077 | Rotary driven pipe-bursting tool | Floyd R. Gunsaulis, Michael Anderson | 2005-05-24 |
| 6871712 | Remote control for a drilling machine | Geoff D. Koch, Lee Widener | 2005-03-29 |
| 6550547 | System and method for automatically controlling a pipe handling system for a horizontal boring machine | Cody L. Sewell, Kelvin P. Self, J. Kevin Wilda, David A. Rorabaugh | 2003-04-22 |
| 6543551 | Pipe handling device | Darrel W. Sparks, Richard W. McEwen, Arthur D. Deken, Cody L. Sewell, Ronald A. Frazier +2 more | 2003-04-08 |
| 6179065 | System and method for automatically controlling a pipe handling system for a horizontal boring machine | Cody L. Sewell, Kelvin P. Self, J. Kevin Wilda, David A. Rorabaugh | 2001-01-30 |
| 5425179 | Optical sensor for measuring inclination angles | Frank S. Nickel | 1995-06-20 |