| 9663837 | Device for recovering heat and fumes from slag resulting from the steel production cycle | Jun 03, 13 | May 30, 17 | G.A.P. S.P.A. |
| 9598742 | Exhaust processing and heat recovery system | Mar 16, 10 | Mar 21, 17 | ALSTOM ENERGY TECHNOLOGY AG, ARVOS LJUNGSTROM LLC, |
| 9493853 | Cleaning tool for cleaning particles contained in a slurry | Sep 23, 13 | Nov 15, 16 | Not available |
| 9459047 | Waste heat system | Aug 16, 10 | Oct 04, 16 | PYROTEK, INC. |
| 9162785 | Method and nozzle for suppressing the generation of iron-containing vapor | Jan 18, 12 | Oct 20, 15 | L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE, L'AIR LIQUIDE, SOCIÉTÉ ANONYME POUR L'ÉTUDE ET L'ÉXPLOITATION DES PROCÉDÉS GEORGES CLAUDE, |
| 9139884 | Process and apparatus for producing liquid pig iron or liquid primary steel products | Jan 30, 09 | Sep 22, 15 | PRIMETALS TECHNOLOGIES AUSTRIA GMBH |
| 8821612 | Apparatus and methods for the production of metal compounds | Mar 27, 07 | Sep 02, 14 | COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANISATION |
| 8540794 | Method for reducing iron oxide and producing syngas | Oct 03, 07 | Sep 24, 13 | Not available |
| 8291727 | Apparatus for manufacturing ceramic microspheres for cementing applications | Dec 17, 10 | Oct 23, 12 | INTEVEP, S.A. |
| 7625423 | Method for obtaining pure copper | Oct 06, 05 | Dec 01, 09 | XSTRATA TECHNOLOGY PTY LTD. |
| 5497977 | Process and apparatus for preheating and inserting scrap into a smelting furnace | Jul 29, 94 | Mar 12, 96 | Mannesmann AG |
| 5494263 | System for solid material charging into vertical reactors by electronic control of the exhaust gases | Mar 07, 94 | Feb 27, 96 | Centro de Investigacion y. Asistencia Tecnica del Estado de Queretaro, A.C. |
| 5458671 | Suppression of fume in metal pouring | Jan 14, 94 | Oct 17, 95 | HECKETT MULTISERV PLC, Multiserv International PLC, |
| 5411572 | Method for utilizing smelter waste containing zinc and other valuable metals | Jan 06, 94 | May 02, 95 | Outokumpu Research Oy |
| 5366538 | Process for the production of a metal melt | Jul 13, 93 | Nov 22, 94 | VOEST-ALPINE INDUSTRIEANLAGENBAU GMBH & CO., KCT TECHNOLOGIE GMBH, |
| 5330161 | Spray cooled hood system for handling hot gases from a metallurgical vessel utilizing pneumatic processing of molten metal | Jul 08, 93 | Jul 19, 94 | SYSTEMS SPRAY COOLED, INC. |
| 5190719 | Plant for the production of molten metals | Nov 06, 91 | Mar 02, 93 | VOEST-ALPINE INDUSTRIEANLAGENBAU GMBH & CO. |
| 5114474 | Arrangement and method for introducing waste material into a molten slag | Apr 02, 91 | May 19, 92 | Georg Fischer Aktiengesellschaft |
| 5093103 | Process for separating off poisonous volatile chemical compounds from a mixture of solid particles having a particle size of up to 200 microns | Oct 28, 88 | Mar 03, 92 | ALSTOM K.K. |
| 5065985 | Method for smelting reduction of iron ore and apparatus therefor | May 08, 90 | Nov 19, 91 | NKK Corporation |