Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8016363 | Automated excavation machine | Hal Hirtz, James L. Dale, John Jordan, David Eddy, Simon Mark Jackson | 2011-09-13 |
| 7919731 | Stirring hot plate | Curt McFadden, Kenneth Hermsen, Roger Earle, James R. Edwards, Kerry W. Leppert +3 more | 2011-04-05 |
| 7695071 | Automated excavation machine | Hal Hirtz, James L. Dale, John Jordan, David Eddy, Simon Mark Jackson | 2010-04-13 |
| 7192093 | Excavation apparatus and method | Jim Friant | 2007-03-20 |
| 7075040 | Stirring hot plate | Curt McFadden, Kenneth Hermsen, Roger Earle, James R. Edwards, Kerry W. Leppert +3 more | 2006-07-11 |
| 6857706 | Mining method for steeply dipping ore bodies | Marilyn Patricia Ann Hames, Timothy B. Dimock, Edward William Drew Anwyll, Donald D. Young, Fredric Christopher Delabbio +1 more | 2005-02-22 |
| 4838362 | Apparatus for manipulating a tool | — | 1989-06-13 |
| 4424722 | Rack and pinion drive arrangement | George Murray Turner | 1984-01-10 |
| 4240665 | Conveyor mounted vehicle | Terence Hubbard | 1980-12-23 |