| 9982946 | Optical monitoring system for observing internal conditions in the tuyere zone of a blast furnace | Feb 09, 16 | May 29, 18 | Paul Wurth SA |
| 9964360 | Method of manufacturing a slag discharge door | Dec 04, 13 | May 08, 18 | HYUNDAI STEEL COMPANY; Seoul Engineering Co., Ltd.; |
| 9957581 | Method for refining hot metal in converter | Mar 25, 13 | May 01, 18 | JFE Steel Corporation |
| 9958405 | Reverse filling carbon and temperature drop-in sensor | Dec 16, 15 | May 01, 18 | Heraeus Electro-Nite International N.V. |
| 9945002 | Preheating appartus for steel scrap and metallurgical melting vessel equipped therewith | Sep 15, 11 | Apr 17, 18 | PRIMETALS TECHNOLOGIES AUSTRIA GMBH |
| 9932649 | Fixed-type electric furnace and molten steel production method | Dec 28, 12 | Apr 03, 18 | POSCO |
| 9925591 | Mixing cold hearth metallurgical system and process for producing metals and metal alloys | Aug 21, 15 | Mar 27, 18 | MOLYWORKS MATERIALS CORP. |
| 9920390 | Method for preliminary treatment of molten iron | Jan 17, 13 | Mar 20, 18 | JFE STEEL CORPORATION |
| 9915476 | Metallurgical furnace | Aug 26, 16 | Mar 13, 18 | 9282-3087 QUEBEC INC. (DBA TMC CANADA) |
| 9909810 | Immersion device for molten metal and steelmaking method | Jun 09, 16 | Mar 06, 18 | HERAEUS ELECTRO-NITE INTERNATIONAL N.V. |
| 9903654 | Apparatus for pre-heating a metal charge for a melting plant and connected method | Apr 26, 16 | Feb 27, 18 | DANIELI & C. OFFICINE MECCANICHE S.P.A. |
| 9896749 | Steel for induction hardening with excellent fatigue properties | Oct 18, 13 | Feb 20, 18 | NIPPON STEEL & SUMITOMO METAL CORPORATION |
| 9879916 | Gas purging element and associated gas connection element | Nov 11, 14 | Jan 30, 18 | REFRACTORY INTELLECTUAL PROPERTY GMBH & CO. KG |
| 9879331 | Green process for the preparation of pure iron | Aug 28, 15 | Jan 30, 18 | COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH |
| 9879914 | Injecting gas into a vessel | Sep 22, 15 | Jan 30, 18 | TECHNOLOGICAL RESOURCES PTY. LIMITED |
| 9869002 | Method for manufacturing duplex stainless steel sheet having reduced inclusions | Dec 08, 15 | Jan 16, 18 | POSCO |
| 9863708 | Refractory ceramic gas purging element | Mar 02, 15 | Jan 09, 18 | REFRACTORY INTELLECTUAL PROPERTY GMBH & CO. KG |
| 9863014 | Lance and operation method using the same | Dec 16, 13 | Jan 09, 18 | POSCO |
| 9844806 | Dual-phase hot extrusion of metals | Mar 14, 13 | Dec 19, 17 | THE ELECTRIC MATERIALS COMPANY |
| 9845440 | Methods and apparatus for enhancing the energy content of carbonaceous materials from pyrolysis | Apr 13, 12 | Dec 19, 17 | BIOGENIC REAGENT VENTURES, LLC, CARBON TECHNOLOGY HOLDINGS, LLC, |