Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12209293 | Process and apparatus for direct reduction with electrically heated-up reduction gas | Franz Hauzenberger, Robert Millner, Hanspeter Ofner, Norbert Rein, Johann Wurm | 2025-01-28 |
| 11999572 | Conveying a material to be conveyed | — | 2024-06-04 |
| 11650013 | Conveying a material to be conveyed | — | 2023-05-16 |
| 10947050 | Conveying a material to be conveyed | — | 2021-03-16 |
| 9718701 | Method and device for reducing iron oxide-containing feedstocks | Robert Millner | 2017-08-01 |
| 9534264 | System for energy optimization in a plant for producing direct-reduced metal ores | Robert Millner, Harald Sprenger | 2017-01-03 |
| 9428818 | Method and device for producing pig iron | Hado Heckmann, Robert Millner | 2016-08-30 |
| 9400139 | Device for the closed-loop control of process gases in a plant for producing directly reduced metal ores | Robert Millner, Jan-Friedemann Plaul, Norbert Rein | 2016-07-26 |
| 9377242 | Method for treating waste gases from plants for pig iron production | Robert Millner | 2016-06-28 |
| 9255302 | Method and device for reducing iron-oxide-containing feedstocks in a high-pressure reducing unit | Robert Millner | 2016-02-09 |
| 8597400 | Method and apparatus for separating a gaseous component | Robert Millner, Norbert Rein | 2013-12-03 |
| 6383444 | Process for processing of reduction gas in a process for the reduction of gas | — | 2002-05-07 |
| 6293992 | Method and device for processing reducing gas for reducing ores | — | 2001-09-25 |
| 6264724 | Process for the production of spongy metal | Jorg Diehl | 2001-07-24 |
| 6251162 | Process for the production of liquid pig iron or liquid intermediate products of steel | Ernst Eichberger, Gunter Schrey, Franz Reufer, Jorg Diehl | 2001-06-26 |
| 6241804 | Process for producing iron briquettes and/or cold iron sponge | — | 2001-06-05 |
| 6221126 | Arrangement and process for the reduction of metal-oxide-bearing material | — | 2001-04-24 |
| 6214082 | Process for the reduction of metal-oxide-bearing material | Joerg Diehl | 2001-04-10 |
| 6210631 | Reduction vessel for the reduction of metal-oxide-bearing material | — | 2001-04-03 |
| 6171365 | Process for the production of liquid pig iron or liquid intermediate products of liquid steel and spongy metal | Gunter Schrey, Herbert Grunbacher | 2001-01-09 |
| 5997608 | Process for the production of molten pig iron or molten steel, pre-products and sponge iron and a plant for carrying out the process | Jorg Diehl, Leopold Werner Kepplinger, Konstantin Milionis, Dieter Siuka, Horst Wiesinger | 1999-12-07 |
| 5997609 | Sponge iron production process and plant | Jorg Diehl | 1999-12-07 |
| 5846268 | Process for producing liquid pig iron or liquid steel preproducts and sponge iron as well as a plant for carrying out the process | Jorg Diehl | 1998-12-08 |