Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12168468 | Railcar acoustic monitoring system and method of use | John D. Ritchey, Eric C. Sprengle, Jody Lutz | 2024-12-17 |
| 11787454 | Railcar acoustic monitoring system and method of use | John D. Ritchey, Eric C. Sprengle, Jody Lutz | 2023-10-17 |
| 10864930 | Railcar acoustic monitoring system and method of use | John D. Ritchey, Eric C. Sprengle, Jody Lutz | 2020-12-15 |
| 10167003 | Automated rail inspection system | — | 2019-01-01 |
| 8155809 | Data logging, collection, and analysis techniques | William A. Rhodes | 2012-04-10 |
| 7698028 | Data logging, collection, and analysis techniques | William A. Rhodes | 2010-04-13 |
| 7392117 | Data logging, collection, and analysis techniques | William A. Rhodes | 2008-06-24 |