| 2025/0092,477 | METHOD FOR OPERATING A STEELWORKS | Aug 03, 22 | Mar 20, 25 | Not available |
| 2024/0271,233 | METHOD FOR REFINING MOLTEN IRON | Apr 19, 22 | Aug 15, 24 | JFE Steel Corporation |
| 2024/0271,232 | METHOD FOR PRODUCING STEEL IN AN INTEGRATED METALLURGICAL PLANT | May 11, 22 | Aug 15, 24 | ThyssenKrupp Steel Europe AG |
| 2024/0254,577 | SPHEROIDIZING-ANNEALED STEEL FOR BALL SCREW HAVING HIGH STRENGTH AND RESISTANCE TO LOW TEMPERATURES AND MANUFACTURING METHOD THEREOF | Apr 11, 24 | Aug 01, 24 | JIANGYIN XINGCHENG SPECIAL STEEL WORKS CO., LTD |
| 2024/0068,061 | CONVERTER STEELMAKING METHOD | Dec 17, 21 | Feb 29, 24 | JFE Steel Corporation |
| 2024/0011,121 | PRODUCTION METHOD FOR NON-ORIENTED SILICON STEEL AND NON-ORIENTED SILICON STEEL | Aug 04, 21 | Jan 11, 24 | INSTITUTE OF RESEARCH OF IRON AND STEEL, JIANGSU PROVINCE/SHA-STEEL, CO. LTD (CN); ZHANGJIAGANG YANGTZE RIVER COLD ROLLED PLATE CO. LTD; JIANGSU SHAGANG GROUP CO., LTD.; |
| 2017/0029,919 | A STEEL REBAR AND A PRODUCTION METHOD THEREOF | Jun 27, 14 | Feb 02, 17 | INSTITUTE OF RESEARCH OF IRON AND STEEL, JIANGSU PROVINCE/SHA-STEEL, CO. LTD. |
| 2016/0319,383 | COMBINED SYSTEM FOR PRODUCING STEEL AND METHOD FOR OPERATING THE COMBINED SYSTEM | Dec 11, 14 | Nov 03, 16 | THYSSENKRUPP AG |
| 2016/0312,322 | DEVICE AND METHOD FOR TREATING METALLIC MATERIALS | Dec 16, 14 | Oct 27, 16 | ALD VACUUM TECHNOLOGIES GMBH |
| 2016/0304,978 | COMBINED SYSTEM FOR PRODUCING STEEL AND METHOD FOR OPERATING THE COMBINED SYSTEM | Dec 11, 14 | Oct 20, 16 | THYSSENKRUPP AG |
| 2012/0060,650 | METHOD FOR MANUFACTURING MOLTEN IRON | May 14, 10 | Mar 15, 12 | ISTC CO., LTD. |
| 2010/0064,856 | PROCESS AND PLANT FOR PRODUCING STEEL | Dec 10, 07 | Mar 18, 10 | SMS SIEMAG AKTIENGESELLSCHAFT |
| 2010/0024,600 | METHOD AND DEVICE FOR PRODUCING STAINLESS STEEL WITHOUT USING A SUPPLY OF ELECTRICAL ENERGY, BASED ON PIG-IRON THAT HAS BEEN PRE-TREATED IN A DDD INSTALLATION | Nov 20, 07 | Feb 04, 10 | SMS SIEMAG AKTIENGESELLSCHAFT |
| 2009/0031,860 | Production of Stainless Steel of AISI 4XX Grade Ferritic Steel in an Aod Converter | Nov 11, 05 | Feb 05, 09 | SMS SIEMAG AKTIENGESELLSCHAFT |
| 2002/0088,307 | Process and apparatus for adding particulate solid material to molten metal | Sep 10, 01 | Jul 11, 02 | RIO TINTO ALCAN INTERNATIONAL LIMITED |