C04B 2111/00887
Ferrous metallurgy
Official title: {Ferrous metallurgy}
C04B2111/00887 (Ferrous metallurgy) appears on 53 US grants and 23 published applications in this corpus.
Search patents in C04B- Granted patents
- 53
- Published applications
- 23
- Assignees
- 38
- Inventors
- 142
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 6 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 1 | 4 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 8 |
| 2020 | 2 | 1 |
| 2021 | 2 | 0 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Agglomerated stone for use in an electric furnace12 May 2026US 12,624,405 B2ThyssenKrupp Steel Europe AG
- Magnesium aluminate spinel reinforced magnesium oxide-based foam ceramic filter synthesized in situ from magnesium oxide whisker, and preparation method therefor18 Jul 2023US 11,702,366 B2Jiangsu Zhongyi Automobile New Material Technology Co., Ltd.
- Plate, in particular covering plate for molten metal, and method for producing the plate and use thereof11 Jan 2022US 11,219,943 B2Refratechnik Holding GmbH
- Insulating, refractory molded body, especially plate, and process for its manufacture and its usage19 Oct 2021US 11,148,973 B2Refratechnik Holding GmbH
- Method for manufacturing briquettes containing a calcium-magnesium compound and an iron-based compound, and briquettes thus obtained16 Mar 2021US 10,947,157 B2S. A. Lhoist Recherche et Developpement
- Agglomerated stone for use in an electric furnace28 Mar 2024US 2024/0102119 A1ThyssenKrupp Steel Europe AG
- Magnesium aluminate spinel reinforced magnesium oxide-based foam ceramic filter synthesized in situ from magnesium oxide whisker, and preparation method therefor8 Oct 2020US 2020/0316505 A1Jiangsu Zhongyi Automobile New Material Technology Co., Ltd.
- Method for Manufacturing Briquettes Containing a Calcium-Magnesium Compound and an Iron-Based Compound, and Briquettes Obtained Thereby14 Nov 2019US 2019/0345066 A1S. A. Lhoist Recherche et Developpement
- Thermally treated briquettes containing a "quick" calcium-magnesium compound and calcium ferrites, and method of manufacture thereof7 Nov 2019US 2019/0337846 A1S. A. Lhoist Recherche et Developpement
- Method for Manufacturing Briquettes Containing a Calcium-Magnesium Compound and an Iron-Based Compound, and Briquettes Obtained Thereby7 Nov 2019US 2019/0337847 A1S. A. Lhoist Recherche et Developpement
Most cited
By later US patents
- Cement-based materials system for producing ferrous castings using a three-dimensional printer48US 8,211,226 B2Massachusetts Institute of Technology · 2012
- Two-part gunning refractory composition37US 4,751,204 AShinagawa Refractories Co., Ltd. · 1988
- Insulating refractory fiber composition and articles for use in casting ferrous metals18US 4,014,704 AJohns Manville · 1977
- Erosion, thermal shock and oxidation resistant refractory compositions18US 5,185,300 AVesuvius Crucible Company · 1993
- Process for tapping a steel-making converter14US 4,010,936 AAikoh Co., Ltd. · 1977