Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4907740 | Device for attaching a rail to a bearing element | Gunter Oberweiler, Johann Spies, Udo Wirthwein | 1990-03-13 |
| 4718603 | Anchor for a railway tie embedded in ballast | Josef Eisenmann, Henning von Heimburg, Dirk Vorderbrück, Helmut Eisenberg | 1988-01-12 |
| 4718604 | Clamp and fastening arrangement for rails | Helmut Eisenberg, Henning von Heimburg, Achim Beste, Dirk Vorderbrück | 1988-01-12 |
| 4705215 | Arrangement for securing railway rails onto sleepers | Helmut Eisenberg, Henning von Heimburg, Achim Beste, Dirk Vorderbrück | 1987-11-10 |
| 4632307 | Arrangement for fastening rails to sleepers | — | 1986-12-30 |