Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5306361 | Method for improving service life of rail welds by aluminothermic heat treatment | Gordon O. Besch, Robert H. Kachik, Mark A. Swartz, Frank Kuster | 1994-04-26 |
| 5078200 | Method of cast-welding between finely pearlitized rails | Frank Kuster | 1992-01-07 |
| 5031365 | Method and apparatus for grinding the running and/or guide surfaces of rails or the like | Gerhard Arndt | 1991-07-16 |
| 4522322 | Self-opening closure for a casting crucible used in aluminothermic reactions | Gerhard Skreba | 1985-06-11 |
| 4389015 | Corrugation-free rail | Gerhard Arndt, Gustav Baum | 1983-06-21 |