Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5720110 | Configuration for detecting gaps in a conductor rail for electric rail vehicles being fed through conductor rails | August Heckmann | 1998-02-24 |
| 5654634 | Method for detecting gaps to be bridged in the power supply of an electric rail vehicle | — | 1997-08-05 |
| 5614796 | Method for providing continuous power to electrical rail vehicle systems when rail power is interrupted | Anton Volkl, Jens Hinze | 1997-03-25 |