Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11548537 | Centering apparatus for hopper car doors | Nathan A. Landes, 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 | Nathan A. Landes, Khristopher R. Wall, Douglas P. Thornton, Patrick R. Harris | 2020-09-29 |
| 7437997 | Method for delivering replacement rail ties using GPS techniques | Stanley M. Herzog, Ivan E. Bounds, Timothy M. Beers, Steve Pete, Ron Schmitz +2 more | 2008-10-21 |
| 7152347 | Method and apparatus for applying railway ballast | Stanley M. Herzog, Ivan E. Bounds, Ron Schmitz, Randy Pogglemiller, Dan Laughlin +2 more | 2006-12-26 |
| 6526339 | GPS controlled multiple source material application | Stanley M. Herzog, Ronald Schmitz, Ivan E. Bounds, Randy L. Poggemiller, Patrick R. Harris +1 more | 2003-02-25 |