Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5439629 | Method and apparatus for producing prefabricated components from pretensioned prestressed concrete | Joachim Heintz, Peter Auer, Peter Plica | 1995-08-08 |
| 5135164 | Prestressed concrete railroad tie | Peter Auer, Josef Eisermann, Gunther Leykauf, Peter Plica | 1992-08-04 |
| 4905896 | Railroad roadway for high speed rail-mounted vehicles | Josef Eisenmann, Dieter Hilliges, Gunther Leykauf, Herbert Schambeck, Werner Sievers | 1990-03-06 |
| 4489024 | Method of and apparatus for the manufacture of prefabricated prestressed concrete members | Peter Auer, Fritz Kluge, Host Wutzler | 1984-12-18 |