Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11225272 | Railway truck assembly having I-beam components | Paul Steven Wike, Joshua E. Tonnies | 2022-01-18 |
| 8474578 | Brake beam wear liner | Joseph Halford, Stephen W. Becker | 2013-07-02 |
| 8256585 | Tapered brake beam wear liner | Joseph Halford, Doug Compton, Nathan Reese | 2012-09-04 |
| 7926428 | Railway truck with bearing adapter | Ralph H. Schorr, Peter Klauser, Gnana Jeevan Robinson, Manuel Tavares | 2011-04-19 |
| 7549379 | Railway freight car side bearing | Bradford Johnstone | 2009-06-23 |
| 7546807 | Constant contact side bearing | Bradford Johnstone, Daniel Schneirs, Jeffrey Ruback | 2009-06-16 |
| 6681943 | Railcar draft gear assembly and system | Ronald E. Barker, Charles E. Burkhart, Marlin E. Clark, John F. Deppen, V. Terrey Hawthorne +3 more | 2004-01-27 |
| 6446820 | Railcar draft gear assembly and system | Ronald E. Barker, Charles E. Burkhart, Marlin E. Clark, John F. Deppen, V. Terrey Hawthorne +3 more | 2002-09-10 |
| 6357612 | Rail car cushioning device and method for positioning same | Julius I. Perchets, Mark P. Scott | 2002-03-19 |
| 6279765 | Railcar cushioning device with internal spring | — | 2001-08-28 |
| 6199708 | Railcar cushioning device with internal elastomeric spring | — | 2001-03-13 |