Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6241801 | Method for treating particulate material in the fluidized bed method and vessel and plant for carrying out the method | Werner Kepplinger, Felix Wallner, Franz Hauzenberger, Il Ock Lee | 2001-06-05 |
| 6235082 | Process for producing liquid metal and facilities for carrying out the process | Werner Kepplinger, Johann Wurm | 2001-05-22 |
| 6220790 | Process for conveying fine-grained solid | Michael Nagl, Walter Rainer Kastner | 2001-04-24 |
| 6202576 | Process for recycling fine-particle solids discharged from a reactor vessel with a gas | Michael Nagl, Josef Stockinger | 2001-03-20 |
| 6179896 | Process for producing liquid pig iron or semifinished steel products from ore | Leopold Werner Kepplinger, Felix Wallner | 2001-01-30 |
| 5961690 | Process for producing molten pig iron of liquid steel preproducts and plant for carrying out the process | Werner Kepplinger, Felix Wallner | 1999-10-05 |
| 5948139 | Process for the production of molten pig iron or steel pre-products and a plant for carrying out the process | Werner Kepplinger, Felix Wallner | 1999-09-07 |
| 5858058 | Process and plant for avoiding metal dusting in the direct reduction of iron-oxide-containing materials | Gerald N. Kern, Werner Kepplinger, Roy Hubert Whipp, Jr. | 1999-01-12 |
| 5762681 | Fluidized bed type reduction apparatus for iron ores and method for reducing iron ores using the apparatus | Il Ock Lee, Yong-Ha Kim, Hang Goo Kim, Bong Jin Jung, Uoo Chang Chung +2 more | 1998-06-09 |
| 5584910 | Process for producing molten pig iron or molten steel pre-products | Werner Kepplinger, Panajiotis Matzawrakos, Dieter Siuka, Christian Böhm | 1996-12-17 |
| 5567379 | Method of producing molten pig iron or molten steel pre-products and a plant therefor | Leopold Werner Kepplinger, Panajiotis Matzawrakos, Dieter Siuka | 1996-10-22 |
| 5535991 | Plant for producing molten pig iron or molten steel pre-products | Werner Kepplinger, Panajiotis Matzawrakos, Dieter Siuka, Christian Böhm | 1996-07-16 |
| 5534046 | Process for producing molten pig iron or molten steel pre-products | Werner Kepplinger, Panajiotis Matzawrakos, Dieter Siuka, Christian Böhm | 1996-07-09 |
| 5445668 | Method of producing molten pig iron or molten steel pre-products | Leopold Werner Kepplinger, Panajiotis Matzawrakos, Dieter Siuka | 1995-08-29 |
| 5439504 | Direct-reduction process for directly reducing particulate iron-oxide-containing material | Karl Czermak, Konstantin Milionis, Siegfried Zeller | 1995-08-08 |