Issued Patents 1989
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865626 | Process for producing gas containing CO and H.sub.2 | Gero Papst, Walter Maschlanka | 1989-09-12 |
| 4861369 | Process for gaining electric energy in addition to producing molten pig iron and an arrangement for carrying out the process | Ludwig von Bogdandy, Werner Kepplinger, Kurt Stift, Gero Papst | 1989-08-29 |
| 4857105 | Process for producing pig iron using coal degassing reactor to form reductants | Gero Papst | 1989-08-15 |
| 4857284 | Process for removing sulphur from the waste gas of a reduction shaft furnace | — | 1989-08-15 |
| 4854967 | Process for producing carburized sponge iron | — | 1989-08-08 |
| 4851039 | Process for the production of pig iron using cyclone | Gero Papst | 1989-07-25 |
| 4846449 | Melting gasifier | Peter Lang, Gero Papst | 1989-07-11 |
| 4805880 | Fluidized bed arrangement for the production of molten pig iron and steel pre-products | Gero Papst, Klaus Langner, Michael Nagl, Werner Kepplinger, Leopold Seirlehner | 1989-02-21 |
| 4806154 | Process for the production of pig iron from fine ore using plasma burner | — | 1989-02-21 |