| 2025/0102,227 | DIRECT REDUCTION SHAFT FURNACE WITH PROBE FOR MEASURING INTERIOR GAS ANALYSIS | Dec 10, 24 | Mar 27, 25 | Not available |
| 2024/0418,445 | A DEVICE AND SYSTEM FOR MEASURING THICKNESS OF A CONDUIT | Oct 20, 22 | Dec 19, 24 | TATA STEEL LIMITED |
| 2024/0418,447 | FURNACE WITH LEVEL DETECTION SYSTEM | Jun 11, 24 | Dec 19, 24 | Not available |
| 2024/0118,029 | LIQUID LEVEL DETECTION METHOD AND DETECTION APPARATUS FOR THE SAME, MOLTEN MATERIAL LIQUID LEVEL DETECTION METHOD AND DETECTION APPARATUS FOR THE SAME, AND METHOD FOR OPERATING VERTICAL FURNACE | Jan 13, 22 | Apr 11, 24 | JFE Steel Corporation |
| 2024/0093,320 | METHOD FOR PRODUCING MOLTEN IRON USING ELECTRIC FURNACE PROVIDED WITH VIDEO DEVICE | Jan 27, 22 | Mar 21, 24 | JFE Steel Corporation |
| 2024/0035,104 | CONVERTER BLOWING CONTROL METHOD AND CONVERTER BLOWING CONTROL SYSTEM | Apr 30, 21 | Feb 01, 24 | Not available |
| 2024/0026,474 | METHOD AND DEVICE FOR MONITORING BLAST FURNACE STATE BASED ON MULTI-MODES FUSION | Jul 18, 23 | Jan 25, 24 | Not available |
| 2022/0163,260 | BLAST FURNACE FAULT DETERMINATION APPARATUS, METHOD FOR DETERMINING FAULT IN BLAST FURNACE, AND METHOD FOR OPERATING BLAST FURNACE | Mar 31, 20 | May 26, 22 | JFE Steel Corporation |
| 2021/0396,469 | DIRECT REDUCTION SHAFT FURNACE WITH PROBE FOR MEASURING INTERIOR GAS ANALYSIS | Nov 13, 18 | Dec 23, 21 | Not available |
| 2021/0041,172 | BLAST FURNACE APPARATUS AND OPERATION METHOD FOR BLAST FURNACE | Mar 25, 19 | Feb 11, 21 | JFE Steel Corporation |
| 2021/0010,753 | Device And Method For Measuring Softening And Melting Performances Of Iron Ore In Blast Furnace Under Reducing Condition | Jul 10, 20 | Jan 14, 21 | Chongqing University of Post and Telecommunications |
| 2017/0045,296 | INDIRECT-HEAT THERMAL PROCESSING OF BULK SOLIDS | Aug 13, 15 | Feb 16, 17 | SOLEX THERMAL SCIENCE INC. |
| 2015/0218,667 | Method and Device for Measuring Levels of Cast Iron and Slag in a Blast Furnace | Jul 09, 13 | Aug 06, 15 | Centre de Recherches Metallurgiques ASBL-Centrum Voor Research in de Metallurgie VZW |
| 2015/0184,939 | BLAST FURNACE INSTALLATION | Sep 05, 13 | Jul 02, 15 | MITSUBISHI HEAVY INDUSTRIES, LTD. |
| 2015/0176,095 | SHAFT FURNACE AND METHOD OF OPERATING SAME | May 20, 14 | Jun 25, 15 | Grede LLC |
| 2007/0119,214 | Vertical drawing method for producing a cylindrical glass body and device for carrying out said method | Nov 26, 04 | May 31, 07 | HERAEUS QUARZGLAS GMBH & CO. KG |