9879916 | Gas purging element and associated gas connection element | Nov 11, 14 | Jan 30, 18 | REFRACTORY INTELLECTUAL PROPERTY GMBH & CO. KG |
9683272 | Gas purging element and associated gas feed line | Aug 07, 13 | Jun 20, 17 | REFRACTORY INTELLECTUAL PROPERTY GMBH & CO. KG |
9683273 | Alloy refining methods | Apr 10, 15 | Jun 20, 17 | ATI PROPERTIES LLC |
9528766 | Top submerged injecting lances | Jun 27, 12 | Dec 27, 16 | OUTOTEC OYJ |
9506123 | Purge plug | Mar 15, 13 | Nov 29, 16 | VESUVIUS CRUCIBLE COMPANY |
9469882 | Refractory purging devices | Nov 02, 12 | Oct 18, 16 | VESUVIUS CRUCIBLE COMPANY |
9315875 | Method of refining molten iron | Jul 19, 12 | Apr 19, 16 | JFE STEEL CORPORATION |
9109838 | Gas blowing nozzle | Jun 23, 11 | Aug 18, 15 | Shinagawa Refractories Co., Ltd. |
9045805 | Alloy refining methods | Mar 12, 13 | Jun 02, 15 | ATI PROPERTIES LLC |
8771400 | Method for manufacturing molten iron | May 14, 10 | Jul 08, 14 | ISTC CO., LTD. |
7942950 | Method for controlling a molten metal bath bubbling in a metallurgical vessel and a device for carrying out said method | Jun 14, 05 | May 17, 11 | ARCELORMITTAL FRANCE |
7901482 | Removal method of nitrogen in molten steel | Feb 06, 07 | Mar 08, 11 | JFE STEEL CORPORATION |
7524355 | Nano-composite energetic powders prepared by arrested reactive milling | Nov 12, 04 | Apr 28, 09 | NEW JERSEY INSTITUTE OF TECHNOLOGY |
6487905 | Method and apparatus for detecting molten metal level in container for melting metallic material | Apr 27, 01 | Dec 03, 02 | NISSEI PLASTIC INDUSTRIAL CO., LTD. |
6039787 | Process for reclaiming combustion residues | May 15, 98 | Mar 21, 00 | HOLCIM LTD. |
5885325 | Process and apparatus for the manufacture of steel | Aug 18, 97 | Mar 23, 99 | USX CORPORATION, A CORP. OF DE |
5733358 | Process and apparatus for the manufacture of steel from iron carbide | Sep 11, 95 | Mar 31, 98 | PRAXAIR TECHNOLOGY, INC., USX CORPORATION, A CORP. OF DE, |
5423900 | Method for blowing oxidizing gases into molten metal | Oct 19, 93 | Jun 13, 95 | KCT TECHNOLOGIE GMBH |
5328658 | Method of refining chromium-containing steel | Aug 04, 93 | Jul 12, 94 | Daido Tokushuko Kabushiki Kaisha |
5246482 | Molten metal producing and refining method | Sep 25, 91 | Sep 21, 93 | JP STEEL PLANTECH CO. |