Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6227282 | Process for the aluminothermic welding of rails with alloying of the weld metal in the rail head region | Frank Kuster, Donald R. MacRae, Michael Steinhorst | 2001-05-08 |
| 6125913 | Process for the aluminothermic welding of rails with alloying of the weld metal in the rail head region | Michael Steinhorst | 2000-10-03 |
| 5944914 | Aluminothermic mixture with ferrochromium alloy | Georg Frommeyer, Michael Kulse, Michael Steinhorst | 1999-08-31 |
| 5486245 | Method for raising welded rail connections lying below the traveling surface on railroad tracks | Frank Kuster | 1996-01-23 |