Class C21C : PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL
Subclass 5/38: Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel Manufacture of steel in the converter Removal of waste gases or dust
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11815313 | Metallurgical furnace having an integrated off-gas hood | Oct 28, 21 | Nov 14, 23 | Systems Spray-Cooled, Inc. |
| 11397051 | Dry dust removal from furnace gas | Oct 14, 16 | Jul 26, 22 | DANIELI CORUS B.V. |
| 11187462 | Metallurgical furnace having an integrated off-gas hood | May 22, 19 | Nov 30, 21 | Systems Spray-Cooled, Inc. |
| 10697031 | Combined system for producing steel and method for operating the combined system | Dec 11, 14 | Jun 30, 20 | THYSSENKRUPP AG |
| 10697030 | Plant combination for producing steel and method for operating the plant combination | Dec 11, 14 | Jun 30, 20 | THYSSENKRUPP AG |
| 10697032 | Method for generating synthesis gas in conjunction with a smelting works | Dec 11, 14 | Jun 30, 20 | THYSSENKRUPP AG |
| 10604816 | Combined system for producing steel and method for operating the combined system | Dec 11, 14 | Mar 31, 20 | THYSSENKRUPP AG |
| 10155998 | Method for recycling-processing of dust generated in converter furnace, and method for manufacturing steel | Nov 09, 16 | Dec 18, 18 | ASTEC IRIE CO., LTD. |
| 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 |
| 7625423 | Method for obtaining pure copper | Oct 06, 05 | Dec 01, 09 | XSTRATA TECHNOLOGY PTY LTD. |
| 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. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0229,174 | Method of manufacturing steel | Feb 23, 22 | Jul 11, 24 | Not available |
| 2024/0229,175 | A method of manufacturing of a steel product in several steelmaking units | Feb 23, 22 | Jul 11, 24 | Not available |
| 2024/0132,983 | Method of manufacturing steel | Feb 23, 22 | Apr 25, 24 | Not available |
| 2024/0132,984 | A method of manufacturing of a steel product in several steelmaking units | Feb 23, 22 | Apr 25, 24 | Not available |
| 2024/0044,580 | METALLURGICAL FURNACE HAVING AN INTEGRATED OFF-GAS HOOD | Oct 18, 23 | Feb 08, 24 | Not available |
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