Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12173376 | Method of manufacturing iron in a metallurgical vessel | Petrus Gerardus Jacobus BROERSEN, Johan Willem Koenraad Van Boggelen | 2024-12-24 |
| 12018340 | Direct smelting process with full combustion | — | 2024-06-25 |
| 11408054 | Method for the recovery of zinc | Johannes Hage, Tim Peeters | 2022-08-09 |
| 11390926 | Method for off-gas composition control in a metal smelting apparatus | Johannes Hage, Christiaan Zeilstra | 2022-07-19 |
| 10584393 | Smelting process and apparatus | Rodney James Dry, Jacques Pilote | 2020-03-10 |
| 10100378 | Method to operate a smelt cyclone | — | 2018-10-16 |
| 9551044 | Starting a smelting process | Rodney James Dry | 2017-01-24 |
| 9458518 | Starting a smelting process | Jacques Pilote, Rodney James Dry | 2016-10-04 |
| 9309579 | Starting a smelting process | Jacques Pilote, Rodney James Dry | 2016-04-12 |
| 7550108 | Metallurgical vessel | Mark Bernard Denys | 2009-06-23 |
| 5968448 | Process and apparatus for producing molten pig iron | Huibert W. den Hartog | 1999-10-19 |
| 5800592 | Process for producing molten pig iron with melting cyclone | Huibert W. den Hartog | 1998-09-01 |
| 5662860 | Apparatus for producing molten pig iron by direct reduction | Antonius Klaassen | 1997-09-02 |
| 5639293 | Method and apparatus for production of iron from iron compounds | Johannes G. Bernard, Cornelis P. Teerhuis | 1997-06-17 |
| 5567225 | Method of making pig iron with zinc recovery | Johannes G. Bernard, Cornelis P. Teerhuis | 1996-10-22 |