Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6416566 | Process for the production of liquid pig iron or liquid steel pre-products | Werner Kepplinger, Johannes Schenk, Il Ock Lee, Yong-Ha Kim, Moon Duk Park | 2002-07-09 |
| 6277172 | Method of charging metal carriers to a melt-down gasifying zone | Leopold Werner Kepplinger, Johannes Schenk | 2001-08-21 |
| 6273933 | Method for blowing fine particles containing metal oxide into a reducing gas | Leopold Werner Kepplinger, Michael Nagl, Franz Hauzenberger, Bernhard Rinner, Peter Brandl +2 more | 2001-08-14 |
| 6264722 | Process for producing liquid pig iron or intermediate steel products and installation for implementing it | Werner Kepplinger, Johannes Schenk | 2001-07-24 |
| 6241801 | Method for treating particulate material in the fluidized bed method and vessel and plant for carrying out the method | Werner Kepplinger, Johannes Schenk, Franz Hauzenberger, Il Ock Lee | 2001-06-05 |
| 6210627 | Arrangement for the dosed introduction of fine-particulate material into a reactor vessel | Udo Gennari, Leopold Werner Kepplinger | 2001-04-03 |
| 6179896 | Process for producing liquid pig iron or semifinished steel products from ore | Leopold Werner Kepplinger, Johannes Schenk | 2001-01-30 |
| 6149708 | Process for producing sponge iron | Werner Kepplinger, Udo Gennari | 2000-11-21 |
| 6143053 | Process for producing sponge iron by direct reduction of iron-oxide-containing material | Johann Reidetschlager, Siegfried Zeller, Roy Hubert Whipp, Jr. | 2000-11-07 |
| 6030432 | Process for reducing ore fines and arrangement for carrying out the process | Werner Kepplinger, Johannes-Leopold Schnek, Udo Gennari, Il Ock Lee, Yong-Ha Kim +1 more | 2000-02-29 |
| 5989309 | Method for injecting fine iron ore in smelting reducing process | Sang Hoon Joo, Sang-Deok Lee, Il Ock Lee, Werner Kepplinger | 1999-11-23 |
| 5961690 | Process for producing molten pig iron of liquid steel preproducts and plant for carrying out the process | Werner Kepplinger, Johannes Schenk | 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, Johannes Schenk | 1999-09-07 |
| 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 |
| 5480070 | Conveying arrangement for the dosed conveyance of bulk material | Leopold Werner Kepplinger, Christian Böhm | 1996-01-02 |
| 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, Rolf Hauk, Bogdan Vuletic, Walter Rainer Kastner | 1993-07-13 |
| 4867787 | Mill arrangement with temporary storage vessel and a process of operating the same | Othmar Puhringer, Horst Wiesinger, Ernst Eichberger, Wilhelm Schiffer, Walter Rockenschaub | 1989-09-19 |
| 4804408 | A mill arrangement and a process of operating the same using off gases to refine pig iron | Othmar Puhringer, Horst Wiesinger, Ernst Eichberger, Wilhelm Schiffer, Walter Rockenschaub | 1989-02-14 |
| 4776285 | Process for gasifying fuels with oxygen or oxygen-containing gases to be carried out in a shaft-like furnace arrangement | Adam Krier, Paul Freimann | 1988-10-11 |
| 4744250 | Method for classification of point and elongated single defects in workpieces by means of ultrasonics | Otto Ganglbauer, Josef Ausserwoger | 1988-05-17 |
| 4651656 | Method for processing a heavy-metal-containing residue from the chemical industry | Adam Krier, Walter Lugscheider, Gotthard Uckert, Paul Freimann | 1987-03-24 |
| 4635832 | Method of, and an arrangement for casting metal melt | Reinhold Angerer | 1987-01-13 |
| 4295375 | Ultrasonic method of testing welded joints | Otto Ganglbauer, Helmut Scheidl, Hermann Reindl, Rainer Frielinghaus | 1981-10-20 |
| 4289541 | Process of cleaning an austenitic steel surface | Walter Lugscheider | 1981-09-15 |
| 4261768 | Low alloyed steel having improved corrosion behavior, in particular relative to sea water | — | 1981-04-14 |