Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9422674 | In-track rail welding system | Gary Barnhart | 2016-08-23 |
| 8658935 | Welding process with jerk compensation | Gary Barnhart | 2014-02-25 |
| 8487205 | Welding head rail squaring process | Gary Barnhart | 2013-07-16 |
| 6163003 | Method and apparatus for controlling forging force during flash butt welding of railway rails | — | 2000-12-19 |
| 5270514 | Method and apparatus for flash butt welding railway rails | Emmerich E. Wechselberger | 1993-12-14 |