Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7810741 | Method of adjusting the height of a fixed rail carriageway | Stephan Freudenstein | 2010-10-12 |
| 7198200 | Biblock or multiblock transverse member and method for the production thereof | — | 2007-04-03 |
| 7156319 | Concrete railroad tie with guide plates for the rail base | — | 2007-01-02 |
| 7023539 | Device for monitoring the condition of the superstructure especially of fixed railroad tracks | — | 2006-04-04 |