| 2024/0393,159 | FURNACE SLAG AMOUNT ESTIMATION DEVICE, FURNACE SLAG AMOUNT ESTIMATION METHOD, AND MOLTEN STEEL PRODUCTION METHOD | Aug 10, 22 | Nov 28, 24 | JFE Steel Corporation |
| 2024/0167,112 | METHOD FOR OPERATING CONVERTER AND METHOD FOR PRODUCING MOLTEN STEEL | Nov 04, 21 | May 23, 24 | JFE Steel Corporation |
| 2024/0068,060 | REFINING METHOD OF MOLTEN IRON AND MANUFACTURING METHOD OF MOLTEN STEEL USING SAME | Dec 09, 21 | Feb 29, 24 | JFE Steel Corporation |
| 2023/0366,052 | Lance for blowing oxygen in steelmaking | Oct 05, 21 | Nov 16, 23 | Not available |
| 2022/0340,986 | CONVERTER CO2-O2 MIXED INJECTION SMELTING METHOD AND METHOD OF DYNAMICALLY CONTROLLING FIRE POINT AREA TEMPERATURE | Jan 21, 20 | Oct 27, 22 | Not available |
| 2020/0392,592 | METHOD FOR OXYGEN-BLOWING REFINING OF MOLTEN IRON AND TOP-BLOWING LANCE | Nov 08, 18 | Dec 17, 20 | JFE Steel Corporation |
| 2020/0157,645 | METHOD FOR OPERATING CONVERTER | May 07, 18 | May 21, 20 | JFE Steel Corporation |
| 2017/0335,417 | Method and apparatus for controlling the pressure in the exhaust gas duct of a converter | Oct 27, 15 | Nov 23, 17 | SMS GROUP GMBH |
| 2015/0292,050 | BLOWING METHOD AND DEVICE FOR PRODUCING STEEL USING JETS OF HOT AIR | Nov 21, 13 | Oct 15, 15 | PRIMETALS TECHNOLOGIES AUSTRIA GMBH |
| 2015/0020,648 | METHOD FOR REFINING HOT METAL IN CONVERTER | Mar 25, 13 | Jan 22, 15 | JFE STEEL CORPORATION |
| 2014/0327,192 | METHOD FOR OPERATING AN OXYGEN BLOWING LANCE IN A METALLURGICAL VESSEL AND A MEASUREMENT SYSTEM FOR DETERMINING A MEASUREMENT SIGNAL USED IN THE METHOD | Apr 24, 14 | Nov 06, 14 | SMS GROUP GMBH |
| 2014/0311,295 | CONVERTER STEELMAKING METHOD | Dec 19, 12 | Oct 23, 14 | JFE STEEL CORPORATION |
| 2014/0298,955 | TOP-BLOWING LANCE AND METHOD FOR REFINING MOLTEN IRON USING THE SAME | Oct 16, 12 | Oct 09, 14 | JFE STEEL CORPORATION |
| 2011/0209,579 | SYSTEM FOR FURNACE SLOPPING PREDICTION AND LANCE OPTIMIZATION | Feb 26, 10 | Sep 01, 11 | TENOVA GOODFELLOW INC. |
| 2010/0282,021 | COMBINED BURNER AND LANCE APPARATUS FOR ELECTRIC ARC FURNACES | Jan 06, 09 | Nov 11, 10 | L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE |
| 2009/0026,668 | Metal making lance assembly | Feb 11, 08 | Jan 29, 09 | Not available |
| 2008/0265,473 | INDUCING SWIRL IN A GAS FLOW | Dec 14, 07 | Oct 30, 08 | TECHNOLOGICAL RESOURCES PTY. LIMITED |
| 2008/0237,945 | APPARATUS FOR INJECTING MATERIAL INTO A VESSEL | Dec 14, 07 | Oct 02, 08 | TECHNOLOGICAL RESOURCES PTY. LIMITED |
| 2008/0128,963 | Apparatus for injecting gas into a vessel | Dec 05, 06 | Jun 05, 08 | Berry Metal Company |
| 2007/0246,869 | Metal making lance tip assembly | Apr 19, 07 | Oct 25, 07 | Berry Metal Company |