Patents per Year
Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 8869711 | Control system for rail car cover system | Jerry R. Dimmer, Troy Knouse, Steven J. Knight | 2014-10-28 | |
| 8826827 | Rail car cover system | Jerry R. Dimmer, Troy Knouse, Steven J. Knight, Nathan P. Dimmer, Kevin J. Kleinsasser | 2014-09-09 | |
| 8141498 | Rail car extension system | Derrick K. Barr, Christopher J. McCallum | 2012-03-27 | |
| 7967363 | Rail car cover system | Nathan P. Dimmer, Steven J. Knight, Jerry R. Dimmer, Michael P. Krajewski, Kevin J. Kleinsasser +1 more | 2011-06-28 | |
| 7841642 | Retractable tarping system | — | 2010-11-30 | |
| 7823515 | Rail car cover system | Nathan P. Dimmer, Steven J. Knight, Jerry R. Dimmer, Michael P. Krajewski, Kevin J. Kleinsasser +1 more | 2010-11-02 | |
| 6336560 | Grizzly screening apparatus | — | 2002-01-08 | $3,333,000 |
| 6098811 | Grizzly screening apparatus | — | 2000-08-08 | $6,139,000 |