Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5711914 | Rail steel | — | 1998-01-27 |
| 5482576 | Railway-track elements and method of manufacturing them | Gerhard Ratz | 1996-01-09 |
| 4714500 | Method for thermal treatment of pearlitic rail steels | Jurgen Flugge, Gerhard Ratz | 1987-12-22 |
| 4659398 | Method for reducing internal stresses of roller straightened rails | Lutz Weber, Reinhard Schweitzer, Jurgen Flugge | 1987-04-21 |
| 4575397 | Rail having high resistance to wear in its head and high resistance to rupture in its foot | — | 1986-03-11 |
| 4230488 | Abrasion resistant rails and/or rail wheels, and process for producing the same | Walter Knoor, Reinhard Schweitzer | 1980-10-28 |
| 4203546 | Oscillation dampening system for a railway track | Erwin Raquet, Gerhard Tacke | 1980-05-20 |