Class C21C : PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL
Subclass 5/30: Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel Manufacture of steel in the converter Regulating or controlling the blowing
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12146200 | Method and device for controlling temperature of molten steel during ladle furnace (LF) refining based on interpretable machine learning | May 06, 24 | Nov 19, 24 | University of Science and Technology Beijing |
| 12123063 | Converter bottom blowing system capable of allowing multiple media to share bottom blowing lances and method for using same | Aug 30, 23 | Oct 22, 24 | University of Science and Technology Beijing; Beijing Kemi Rongcheng Energy Technology Co., Ltd.; |
| 11987855 | Method and system for determining converter tapping quantity | Apr 28, 23 | May 21, 24 | University of Science and Technology Beijing |
| 11966669 | Molten metal component estimation device, method of estimating molten metal component, and method of manufacturing molten metal | Apr 03, 19 | Apr 23, 24 | JFE Steel Corporation |
| 11667982 | Long-life service method for powder-bottom-injecting converter based on collaborative hot replacement of furnace bottom and bottom purging brick | Sep 16, 21 | Jun 06, 23 | University of Science and Technology Beijing; SOOCHOW UNIVERSITY; |
| 10988818 | Efficient long-service-life blowing method and system for vanadium extraction-decarburization duplex converters | Jul 10, 20 | Apr 27, 21 | University of Science and Technology Beijing |
| 10809746 | Method and arrangement for operating a metallurgical furnace and computer program product | Apr 08, 16 | Oct 20, 20 | OUTOTEC (FINLAND) OY |
| 10767239 | Production method for smelting clean steel from full-scrap steel using duplex electric arc furnaces | Apr 22, 18 | Sep 08, 20 | University of Science and Technology Beijing; TANGSHAN FIRST TANG BAOSHENG FUNCTIONAL MATERIALS CO., LTD.; |
| 9863014 | Lance and operation method using the same | Dec 16, 13 | Jan 09, 18 | POSCO |
| 9828646 | Metal making lance with spring-loaded thermocouple or camera in lance tip | Mar 16, 15 | Nov 28, 17 | Berry Metal Company |
| 9771626 | Starting a smelting process | Jul 18, 13 | Sep 26, 17 | TECHNOLOGICAL RESOURCES PTY. LIMITED |
| 9194014 | Reinforced distributor for post-combustion lance | Nov 10, 11 | Nov 24, 15 | Berry Metal Company |
| 8926895 | Post-combustion lance including an internal support assembly | May 01, 12 | Jan 06, 15 | A.H. Tallman Bronze Company, Limited |
| 8808421 | System for furnace slopping prediction and lance optimization | Feb 26, 10 | Aug 19, 14 | TENOVA GOODFELLOW INC. |
| 8435323 | Batchwise working-up recycling materials in a rotatable reactor | May 11, 05 | May 07, 13 | BOLIDEN MINERAL AB |
| 8216507 | Post-combustion lance with internal support | Jan 26, 09 | Jul 10, 12 | A.H. Tallman Bronze Company, Limited |
| 8142541 | Method of preheating steelmaking ladles | Jun 11, 08 | Mar 27, 12 | NUCOR CORPORATION |
| 8092572 | Method of regulating the output of carbon monoxide in a metallurgical melting process | Aug 30, 07 | Jan 10, 12 | PRIMETALS TECHNOLOGIES GERMANY GMBH |
| 7678176 | Method and apparatus for charging hot direct reduced iron from hot transport vessels into a melter or finisher | Jun 29, 07 | Mar 16, 10 | MIDREX TECHNOLOGIES, INC. |
| 7452401 | Oxygen injection method | Jun 28, 06 | Nov 18, 08 | PRAXAIR TECHNOLOGY, INC. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0327,963 | V-N MICROALLOYED STEEL AND METHOD FOR PRODUCING V-N MICROALLOYED AND SURFACE-CRACK-FREE CONTINUOUS CASTING BLANK | Sep 14, 21 | Oct 03, 24 | LAIWU STEEL YINSHAN SECTION CO., LTD. |
| 2024/0035,104 | CONVERTER BLOWING CONTROL METHOD AND CONVERTER BLOWING CONTROL SYSTEM | Apr 30, 21 | Feb 01, 24 | Not available |
| 2023/0243,005 | CONVERTER BLOWING CONTROL METHOD AND CONVERTER BLOWING CONTROL SYSTEM | Apr 30, 21 | Aug 03, 23 | Not available |
| 2022/0403,478 | METHOD FOR MANUFACTURING MOLTEN IRON WITH ELECTRIC ARC FURNACE | Oct 14, 20 | Dec 22, 22 | JFE Steel Corporation |
| 2015/0337,404 | METHOD AND DEVICE FOR PREDICTING, CONTROLLING AND/OR REGULATING STEELWORKS PROCESSES | Dec 09, 13 | Nov 26, 15 | SMS GROUP GMBH |
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