Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8033480 | Arrangement for fastening railroad rails to a sleeper | Hubertus Hohne, Heinz Ossberger, Josef Leitner, John Phillip Porrill, David Seeley | 2011-10-11 |
| 7874527 | Fastening rail in railway slide chair assembly | John Phillip Porrill, David Seeley, Heinz Ossberger, Josef Leitner, Hubertus Hohne | 2011-01-25 |
| 7648080 | Rail fixing device | Hubertus Hohne, Heinz Ossberger, Josef Leitner, John Phillip Porrill, David Seeley | 2010-01-19 |
| 6860433 | Bearing for a section of a track | Stefan Schmedders | 2005-03-01 |
| 6601518 | System for securing and/or controlling the final position of a rail | Albrecht Demmig, Hubertus Hohne | 2003-08-05 |
| 6527231 | Superstructure points device | Burkhard Zillien | 2003-03-04 |
| 6409092 | Superstructure construction | Albrecht Demmig, Hubertus Hohne, Sebastian Benenowski | 2002-06-25 |
| 6062144 | Method and means for the elastic bending of a support for a flexible switch | Sebastian Benenowski, Erich Nuding, Stefan Schmedders, Rudiger Ziethen | 2000-05-16 |
| 6027034 | Superstructure construction | Albrecht Demmig, Hubertus Hohne, Sebastian Benenowski | 2000-02-22 |
| 5645216 | Bearing for a part of a railroad track | Sebastian Benenowski, Albrecht Demmig, Alfred Kais, Erich Nuding | 1997-07-08 |
| 5390881 | Roller assembly for a switch tongue used with a stock rail | Sebastian Benenowski, Erich Nuding | 1995-02-21 |