Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9028007 | Cooling a ranging arm gear case on a longwall shearer | Edward F. Niederriter, Shawn W. Franklin, Philip R. Strydom | 2015-05-12 |
| 7005576 | Permissible controller cover resistant to fastener breakage | Edward F. Niederriter | 2006-02-28 |
| 5518299 | Dust control apparatus for longwall mining machinery | Mike S. Adamczyk, Jay D. Armburger | 1996-05-21 |