Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8540931 | Nozzle for injecting gas containing oxygen into a pig iron device having an injector insertion pipe | Georg Aichinger, Franz Berner, Stefan Lechner, Marinko Lekic-Ninic, Jan-Friedemann Plaul +5 more | 2013-09-24 |
| 8361190 | Process and apparatus for producing sponge iron | — | 2013-01-29 |
| 8317898 | Method and device for producing molten material | Franz Hauzenberger, Robert Millner, Norbert Rein, Johannes Schenk, Martin Schmidt +2 more | 2012-11-27 |
| 8302430 | Process and installation for granulating slag | — | 2012-11-06 |
| 8124005 | Process and apparatus for producing sponge iron | — | 2012-02-28 |
| 8016910 | Method for producing liquid pig iron or liquid steel intermediate products from fine-particled material containing iron oxide | — | 2011-09-13 |
| 7600397 | Process and installation for granulating slag | — | 2009-10-13 |
| 6767383 | Method for producing pig iron | — | 2004-07-27 |
| 6379423 | Device and method for producing sponge iron | — | 2002-04-30 |
| 6224647 | Process and device for charging a fusion gasifier with gasifying means and spongy iron | — | 2001-05-01 |
| 6120582 | Process for treating the scrubbing water from the gas scrubbing process in an iron ore reduction plant | — | 2000-09-19 |
| 5669955 | Process for producing pig iron from iron ores, and applicance for the thermal and/or chemical treatment of a readily disintegrating material or for producing pig iron by means of said process | Bojan Vuletic, Vladan Vuletic | 1997-09-23 |
| 5453115 | Process for cooling and cleaning gas, particularly blast furnace or producer gas, containing ultrafine particles, and apparatus for performing the same | — | 1995-09-26 |
| 5433768 | Process for producing liquid pig iron from lump iron ore using plastic and petroleum coke | — | 1995-07-18 |
| 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, Felix Wallner, Walter Rainer Kastner | 1993-07-13 |
| 5225086 | Process for the treatment of wash water from the gas washing system of an iron ore reduction plant | — | 1993-07-06 |
| 4898366 | Apparatus for charging a melting gasifier with gasification media and sponge iron | — | 1990-02-06 |
| 4891062 | Method for operating and melt-down gasifier having water-cooled nozzles for oxygen and means for monitoring water and oxygen | — | 1990-01-02 |
| 4850574 | Apparatus for cooling and cleaning producer gas and top gas | — | 1989-07-25 |
| 4793857 | Process for cooling and cleaning producer gas and top gas | — | 1988-12-27 |
| 4784689 | Process for producing sponge iron particles and molten pig iron | — | 1988-11-15 |
| 4542889 | Installation for the direct production of sponge iron particles and liquid crude iron from iron ore in lump form | — | 1985-09-24 |
| 4543123 | Process for the direct production of sponge iron particles and liquid crude iron from iron ore in lump form | — | 1985-09-24 |