Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6257495 | Device for securing railway rails on standard concrete sleepers in a highly resilient manner | — | 2001-07-10 |
| 5096119 | Rail fastening on concrete ties by means of resilient tension clamps | Hans Schultheiss, Horst Bauernfeind | 1992-03-17 |
| 4718603 | Anchor for a railway tie embedded in ballast | Josef Eisenmann, Henning von Heimburg, Friedhelm Weber, Dirk Vorderbrück | 1988-01-12 |
| 4718604 | Clamp and fastening arrangement for rails | Henning von Heimburg, Friedhelm Weber, Achim Beste, Dirk Vorderbrück | 1988-01-12 |
| 4705215 | Arrangement for securing railway rails onto sleepers | Henning von Heimburg, Friedhelm Weber, Achim Beste, Dirk Vorderbrück | 1987-11-10 |