Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4805880 | Fluidized bed arrangement for the production of molten pig iron and steel pre-products | Rolf Hauk, Gero Papst, Klaus Langner, Michael Nagl, Werner Kepplinger | 1989-02-21 |
| 4728360 | Process for the production of molten pig iron and steel pre-products | Rolf Hauk, Gero Papst, Klaus Langner, Michael Nagl, Werner Kepplinger | 1988-03-01 |