Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9488245 | Hydraulic bearing | — | 2016-11-08 |
| 8882087 | Pneumatic spring device for a rail vehicle | Bernd Hesse | 2014-11-11 |
| 8047139 | Railway bogie | Gilles Metenier, John Skiller | 2011-11-01 |
| 7934458 | Railway bogie | Friedrich Hoppmann, Rolf Schmiechen, John Skiller | 2011-05-03 |
| 7731253 | Rubber-sprung rail wheel | — | 2010-06-08 |
| 7484719 | Spring element for rail vehicles | Andreas Kropf, Friedrich Hoppmann | 2009-02-03 |
| 6595504 | Hydraulic spring having a damper | — | 2003-07-22 |