| 2025/0052,498 | GRAPHITIZATION FURNACE | Mar 10, 23 | Feb 13, 25 | ZHENGZHOU NON-FERROUS METALS RESEARCH INSTITUTE CO.LTD OF CHALCO; MILUO XINGAO HIGH TECHNOLOGY SERVICE CO., LTD; |
| 2024/0400,903 | CORBEL FOR A COKE OVEN OR COKE OVEN BATTERY | Oct 13, 22 | Dec 05, 24 | Not available |
| 2024/0301,986 | Insulating Concrete Shell | Jan 20, 22 | Sep 12, 24 | Not available |
| 2024/0219,119 | LINTEL BLOCK WITH LOST EDGE | Dec 15, 23 | Jul 04, 24 | Not available |
| 2023/0384,035 | SUPPORT ASSEMBLY IN A HEAT STORAGE DEVICE | Oct 13, 21 | Nov 30, 23 | Not available |
| 2022/0341,667 | Heat Insulating Protective Member, Method for Manufacturing Same, Method for Installing Same, In-Furnace Member, and Reheating Furnace | Jan 10, 22 | Oct 27, 22 | MAFTEC Co., Ltd |
| 2019/0310,018 | FURNACE BRICKS, COOLERS, AND SHELLS/BINDINGS OPERATING IN SYSTEMIC BALANCE | Jun 17, 19 | Oct 10, 19 | Not available |
| 2018/0231,316 | THERMAL STORAGE UNIT | Sep 29, 15 | Aug 16, 18 | SAINT-GOBAIN CENTRE DE RECHERCHES ET D ' ETUDES EUROPEEN |
| 2016/0231,058 | INTEGRAL SELF-SUPPORTING REFRACTORY CHECKER BRICK MODULES FOR GLASS FURNACE REGENERATOR STRUCTURES, AND METHODS OF FORMING SAME | Feb 02, 16 | Aug 11, 16 | FOSBEL, INC. |
| 2015/0308,745 | ARCH BRICK, CYLINDRICAL INTERNAL LINING OF A ROTARY KILN AND ROTARY KILN | Jan 06, 14 | Oct 29, 15 | REFRACTORY INTELLECTUAL PROPERTY GMBH & CO. KG |
| 2015/0136,001 | HIGH TEMPERATURE REACTOR REFRACTORY SYSTEMS | Nov 17, 14 | May 21, 15 | Not available |
| 2014/0015,175 | LOWER VESSEL OF RH DEGASSER | Oct 07, 11 | Jan 16, 14 | JFE STEEL CORPORATION |
| 2012/0064,473 | FURNACE, REFRACTORY INSTALLING METHOD, AND REFRACTORY BLOCK | May 19, 10 | Mar 15, 12 | NIPPON STEEL & SUMITOMO METAL CORPORATION |
| 2010/0209,863 | RING FURNACE INCLUDING BAKING PITS WITH A LARGE HORIZONTAL ASPECT RATIO AND METHOD OF BAKING CARBONACEOUS ARTICLES THEREIN | Apr 29, 08 | Aug 19, 10 | RIO TINTO ALCAN INTERNATIONAL LIMITED |