| 9957581 | Method for refining hot metal in converter | Mar 25, 13 | May 01, 18 | JFE Steel Corporation |
| 9920390 | Method for preliminary treatment of molten iron | Jan 17, 13 | Mar 20, 18 | JFE STEEL CORPORATION |
| 9708676 | Method for preparing low-cost clean steel | Mar 13, 12 | Jul 18, 17 | Not available |
| 9683272 | Gas purging element and associated gas feed line | Aug 07, 13 | Jun 20, 17 | REFRACTORY INTELLECTUAL PROPERTY GMBH & CO. KG |
| 9580764 | Top-blowing lance and method for refining molten iron using the same | Oct 16, 12 | Feb 28, 17 | JFE STEEL CORPORATION |
| 8771400 | Method for manufacturing molten iron | May 14, 10 | Jul 08, 14 | ISTC CO., LTD. |
| 8012237 | Process for producing molten iron | Sep 18, 08 | Sep 06, 11 | KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.), Kobe Steel, Ltd., |
| 7998243 | Method of producing steel with high manganese and low carbon content | Jun 25, 10 | Aug 16, 11 | SMS SIEMAG AKTIENGESELLSCHAFT |
| 7993428 | Method for manufacturing molten iron | Sep 18, 08 | Aug 09, 11 | KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.), Kobe Steel, Ltd., |
| 7897100 | Method and device for the continuous production of steel using metal charge material | Jan 09, 03 | Mar 01, 11 | SMS SIEMAG AKTIENGESELLSCHAFT |
| 7819940 | Production of stainless steel of AISI 4xx grade ferritic steel in an AOD converter | Nov 11, 05 | Oct 26, 10 | SMS SIEMAG AKTIENGESELLSCHAFT |
| 7611563 | Multifunction injector and relative combustion process for metallurgical treatment in an electric arc furnace | Feb 13, 06 | Nov 03, 09 | TECHINT COMPAGNIA TECNICA INTERNAZIONALE S.P.A. |
| 6309443 | Simple ladle refining method | Apr 25, 00 | Oct 30, 01 | NIPPON STEEL CORPORATION |
| 5743938 | Method of decarburizing refining molten steel containing Cr | Dec 12, 96 | Apr 28, 98 | KAWASAKI STEEL CORPORATION |
| 5540753 | Method for refining chromium-containing molten steel by decarburization | Dec 01, 94 | Jul 30, 96 | NIPPON STEEL & SUMIKIN STAINLESS STEEL CORPORATION |
| 5190577 | Replacement of argon with carbon dioxide in a reactor containing molten metal for the purpose of refining molten metal | Dec 11, 90 | Mar 02, 93 | Liquid Air Corporation |