Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6355088 | Method for direct reduction and upgrading of fine-grained refractory and earthy iron ores and slags | — | 2002-03-12 |
| 6273265 | Magnetically enhanced gravity separator | — | 2001-08-14 |
| 6197088 | Producing liquid iron having a low sulfur content | — | 2001-03-06 |
| 6048382 | Method for direct reduction and upgrading of fine-grained refractory and earthy iron ores and slags | — | 2000-04-11 |
| 5958107 | Shift conversion for the preparation of reducing gas | — | 1999-09-28 |
| 5630862 | Method of providing fuel for an iron making process | — | 1997-05-20 |
| 5558696 | Method of direct steel making from liquid iron | — | 1996-09-24 |
| 5470375 | Method of processing waste material containing non ferrous metal oxides | — | 1995-11-28 |
| 5429658 | Method of making iron from oily steel and iron ferrous waste | — | 1995-07-04 |
| 5413622 | Method of making hot metals with totally recycled gas | — | 1995-05-09 |
| 5397376 | Method of providing fuel for an iron making process | — | 1995-03-14 |
| 5380352 | Method of using rubber tires in an iron making process | — | 1995-01-10 |
| 5354356 | Method of providing fuel for an iron making process | — | 1994-10-11 |
| 5338336 | Method of processing electric arc furnace dust and providing fuel for an iron making process | — | 1994-08-16 |
| 5320676 | Low slag iron making process with injecting coolant | — | 1994-06-14 |
| 5259864 | Method of disposing of environmentally undesirable material and providing fuel for an iron making process e.g. petroleum coke | — | 1993-11-09 |
| 5259865 | Very low slag iron making process | — | 1993-11-09 |
| 4416688 | Direct reduction of ores and concentration of metallic values | — | 1983-11-22 |