Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9923278 | Diversity antenna arrangement for WLAN, and WLAN communication unit having such a diversity antenna arrangement, and device having such a WLAN communication unit | Dejan Milankovic | 2018-03-20 |
| 5327717 | Process for drying coal for melt-down or coal gasifiers | — | 1994-07-12 |
| 5259594 | Hot dust recycling apparatus | Herbert Mayr, Rodgan Vuletic, Werner Kepplinger | 1993-11-09 |
| 5238487 | Process for the production of pig iron and sponge iron | Werner Kepplinger | 1993-08-24 |
| 5226951 | Method of starting a plant for the production of pig iron or steel pre-material as well as arrangement for carrying out the method | Werner Kepplinger, Bogdan Vuletic, Felix Wallner, Walter Rainer Kastner | 1993-07-13 |
| 5127346 | Burner arrangement for the combustion of fine-grained to dusty solid fuel | Leopold Werner Kepplinger, Wilhelm Schiffer | 1992-07-07 |
| 5043011 | Process for producing pig iron | — | 1991-08-27 |
| 4995904 | Method for the pretreatment of a lumpy carbon carrier | — | 1991-02-26 |
| 4958808 | Apparatus for producing sponge iron or pig iron | — | 1990-09-25 |
| 4913733 | Process for producing pig iron | — | 1990-04-03 |
| 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 |
| 4857284 | Process for removing sulphur from the waste gas of a reduction shaft furnace | — | 1989-08-15 |
| 4857105 | Process for producing pig iron using coal degassing reactor to form reductants | Gero Papst | 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 |
| 4806154 | Process for the production of pig iron from fine ore using plasma burner | — | 1989-02-21 |
| 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 |
| 4793855 | Process for the gasification of sewage sludge | — | 1988-12-27 |
| 4755219 | Process for producing molten pig iron or steel raw material | — | 1988-07-05 |
| 4728360 | Process for the production of molten pig iron and steel pre-products | Gero Papst, Klaus Langner, Michael Nagl, Werner Kepplinger, Leopold Seirlehner | 1988-03-01 |
| 4708736 | Method of producing molten pig iron or steel pre-products from particulate ferrous material | Werner Kepplinger | 1987-11-24 |
| 4673432 | Process for the production of pig iron | — | 1987-06-16 |
| 4605205 | Arrangement comprising a gasifier and a direct reduction furnace | Klaus Langner, Gero Papst, Michael Nagl | 1986-08-12 |