Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851184 | Building made from concrete walls, in particular for nuclear plants | Ruediger Danisch, Norbert Krutzik, Otto Schad, Friedhelm Stangenberg | 1989-07-25 |
| 4434591 | Component useful in producing a cooling tower | Wilfried Krabbe, Hans Schafer | 1984-03-06 |
| 4255366 | Process of producing a cooling tower | Wilfried Krabbe, Hans Schafer | 1981-03-10 |