Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11548537 | Centering apparatus for hopper car doors | Stephen Bedingfield, Michael Staihr, David Smith, Jacob D. Herzog, Tony Shirk +1 more | 2023-01-10 |
| 10787109 | System and method for operating a ballast car hopper door | Khristopher R. Wall, Stephen Bedingfield, Douglas P. Thornton, Patrick R. Harris | 2020-09-29 |
| 10138603 | Autonomous ballast unloading consist | — | 2018-11-27 |
| 9051695 | Automated track surveying and ballast replacement | Ivan E. Bounds | 2015-06-09 |
| 8781655 | Automated track surveying and ballast replacement | Ivan E. Bounds | 2014-07-15 |
| 8615110 | Automated track surveying and ditching | Ivan E. Bounds | 2013-12-24 |