Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1053983 | Trackside tank insert | Shawn Zier, Nickolas Ciesielski | 2024-12-10 |
| D959597 | Trackside tank | Shawn Zier, Nickolas Ciesielski | 2022-08-02 |
| 11273853 | Top of rail resilient bar | Glen Appleby, Charles Schnorr, Charles A. Petrie | 2022-03-15 |
| 10358153 | Top of rail foam bar | Steven D. Singleton, W. Thomas Urmson, Jr., Christopher Lucke | 2019-07-23 |
| 9914465 | Top of rail resilient bar | Glen Appleby, Charles Schnorr, Charles A. Petrie | 2018-03-13 |
| 9440665 | Top of rail foam bar | Steven D. Singleton, W. Thomas Urmson, Jr., Christopher Lucke | 2016-09-13 |
| 9096242 | Gauge face lubrication | Ward T. Powell, Charles Schnorr, Charles A. Petrie | 2015-08-04 |
| 8955645 | Top of rail foam bar | Steven D. Singleton, W. Thomas Urmson, Jr., Christopher Lucke | 2015-02-17 |