Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6241797 | Process for reducing oxidic slags | — | 2001-06-05 |
| 6203595 | Process for working up resh or shredder light fractions, with CaCO3 | — | 2001-03-20 |
| 6196479 | Method and device for granulating and comminuting liquid slags | — | 2001-03-06 |
| 6186081 | Process and apparatus for treating waste and sewage sludge | — | 2001-02-13 |
| 6139621 | Process for producing sulfate cement or sulfate cement aggregates | — | 2000-10-31 |
| 6106587 | Process for separating tin as well as, if required, copper from scrap melts, in particular, tinplate melts or metallic melts | — | 2000-08-22 |
| 6082640 | Method for granulating and grinding molten material and device for carrying out said method | — | 2000-07-04 |
| 6068677 | Method for processing waste or waste fractions, in particular car shredder light fractions | — | 2000-05-30 |
| 6059854 | Process for processing waste incineration residues | Bruno Mistelli | 2000-05-09 |
| 6039787 | Process for reclaiming combustion residues | — | 2000-03-21 |
| 6036768 | Cement composition | Juraj Gebauer, Horst Wolter | 2000-03-14 |
| 6010553 | Process for producing pig iron, nonferrous heavy metal alloys, FECR and synthetic blast furnace slags using metal-oxide-containing waste incineration residues or slags | Albert Waschnig | 2000-01-04 |
| 5993510 | Process for working up combustion residues | — | 1999-11-30 |
| 5944870 | Method of manufacturing pig iron or steel and cement clinker from slags | — | 1999-08-31 |
| 5925165 | Process and apparatus for the 3-stage treatment of solid residues from refuse incineration plants | Karl Heinz Pflugl, Norbert Kiethe, Ernst Hugentobler, Hans Ruegg, Ruedi Frey +2 more | 1999-07-20 |
| 5882375 | Process for the production of hydraulic binders and/or alloys, such as for examples, ferrochromium or ferrovanadium | Andreas Goessnitzer | 1999-03-16 |
| 5776226 | Method for working up refuse or metal-oxide-containing refuse incineration residues | — | 1998-07-07 |
| 5765489 | Process for the treatment of solid residue from refuse incineration plants, and apparatus for performing the process | Ernst Hugentobler, Hans Ruegg, Karl Heinz Pflugl, Norbert Kiethe, Ruedi Frey +2 more | 1998-06-16 |
| 5671688 | Process for treating slag from refuse incineration plants | Markus Burgin, Bruno Carcer, Jean-Marc Martelli | 1997-09-30 |
| 5667147 | Process and device for granulating and crushing molten materials and grinding stocks | — | 1997-09-16 |
| 5630369 | Reactor and a method of smelting combustion residues in the reactor | — | 1997-05-20 |
| 5516357 | Process for producing cement from metallurgical slag | Theo Rey | 1996-05-14 |
| 5501721 | Process for producing pig iron and cement clinker | — | 1996-03-26 |
| 5405429 | Method for treatment and conversion of refuse incineration residues into environmentally acceptable and reusable material, especially for construction purposes | Theo Rey | 1995-04-11 |