| 2025/0019,782 | Steelmaking method and associated network of plants | Dec 16, 21 | Jan 16, 25 | Not available |
| 2024/0426,728 | INFORMATION PROCESSING METHOD, INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING PROGRAM, AND METHOD OF OPERATING A BLAST FURNACE | Oct 26, 22 | Dec 26, 24 | JFE Steel Corporation |
| 2024/0425,941 | GEOTHERMALLY POWERED IRON PRODUCTION SYSTEMS AND METHODS | Jun 23, 23 | Dec 26, 24 | Not available |
| 2024/0336,986 | SYSTEM AND METHOD FOR REDUCING ORE USING HYDROGEN AS A REDUCING AGENT | Jun 18, 24 | Oct 10, 24 | Not available |
| 2024/0279,756 | PROCESS UTILIZING SYNTHESIS GAS FOR IMPROVING THE ENVIRONMENTAL IMPACT OF THE REDUCTION OF IRON ORE IN BLAST FURNACES | May 02, 22 | Aug 22, 24 | Not available |
| 2024/0271,232 | METHOD FOR PRODUCING STEEL IN AN INTEGRATED METALLURGICAL PLANT | May 11, 22 | Aug 15, 24 | ThyssenKrupp Steel Europe AG |
| 2024/0263,259 | Operating method of a network of plants | May 26, 21 | Aug 08, 24 | Not available |
| 2024/0247,327 | SYSTEMS AND METHODS FOR IMPROVED CARBON CAPTURE ASSOCIATED WITH MOLTEN METAL PRODUCTION | Jan 24, 24 | Jul 25, 24 | Not available |
| 2024/0218,472 | SUPPLIED HEAT QUANTITY ESTIMATION METHOD, SUPPLIED HEAT QUANTITY ESTIMATION DEVICE, SUPPLIED HEAT QUANTITY ESTIMATION PROGRAM, AND BLAST FURNACE OPERATION METHOD | Mar 25, 22 | Jul 04, 24 | JFE Steel Corporation |
| 2024/0167,170 | Reactors and Methods for Production of Sustainable Chemicals using Carbon Emissions of Metallurgical Furnaces | Jun 09, 23 | May 23, 24 | Not available |
| 2024/0084,410 | BLEED-OFF GAS RECOVERY IN A DIRECT REDUCTION PROCESS | Feb 01, 22 | Mar 14, 24 | Not available |
| 2024/0018,615 | METHOD FOR PRODUCING PIG IRON IN A SHAFT FURNACE | Sep 21, 21 | Jan 18, 24 | ThyssenKrupp Steel Europe AG |
| 2023/0008,316 | METHOD FOR CONVERTING A BLAST FURNACE PLANT | Nov 26, 20 | Jan 12, 23 | Not available |
| 2022/0380,859 | METHOD FOR OPERATING BLAST FURNACE | Oct 19, 20 | Dec 01, 22 | JFE Steel Corporation |
| 2021/0123,110 | PLANT COMPLEX FOR PIG IRON PRODUCTION AND A METHOD FOR OPERATING THE PLANT COMPLEX | Sep 29, 17 | Apr 29, 21 | ThyssenKrupp Industrial Solutions AG; THYSSENKRUPP AG; |
| 2017/0233,839 | BLAST FURNACE PLANT | Aug 18, 15 | Aug 17, 17 | PAUL WURTH S.A. |
| 2017/0226,600 | PRESSURE RELIEF VALVE FOR PRESSURIZED FURNACE | Sep 24, 15 | Aug 10, 17 | PRIMETALS TECHNOLOGIES AUSTRIA GMBH |
| 2016/0348,195 | PLANT COMBINATION FOR PRODUCING STEEL AND METHOD FOR OPERATING THE PLANT COMBINATION | Dec 11, 14 | Dec 01, 16 | THYSSENKRUPP AG |
| 2016/0348,196 | METHOD FOR GENERATING SYNTHESIS GAS IN CONJUNCTION WITH A SMELTING WORKS | Dec 11, 14 | Dec 01, 16 | THYSSENKRUPP AG |
| 2016/0326,605 | COMBINED SYSTEM FOR PRODUCING STEEL AND METHOD FOR OPERATING THE COMBINED SYSTEM | Dec 11, 14 | Nov 10, 16 | THYSSENKRUPP AG |