C21C 7/076
Use of slags or fluxes as treating agents
Official title: Use of slags or fluxes as treating agents (C21C7/06, C21C7/064, C21C7/068 take precedence)
C21C7/076 (Use of slags or fluxes as treating agents) appears on 143 US grants and 127 published applications in this corpus.
Search patents in C21C- Granted patents
- 143
- Published applications
- 127
- Assignees
- 135
- Inventors
- 491
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 8 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 0 |
| 2002 | 4 | 0 |
| 2003 | 1 | 2 |
| 2004 | 1 | 2 |
| 2005 | 0 | 3 |
| 2006 | 4 | 7 |
| 2007 | 0 | 6 |
| 2008 | 0 | 2 |
| 2009 | 6 | 8 |
| 2010 | 5 | 5 |
| 2011 | 4 | 7 |
| 2012 | 8 | 4 |
| 2013 | 2 | 5 |
| 2014 | 3 | 3 |
| 2015 | 3 | 7 |
| 2016 | 4 | 4 |
| 2017 | 2 | 4 |
| 2018 | 2 | 6 |
| 2019 | 3 | 6 |
| 2020 | 3 | 4 |
| 2021 | 2 | 2 |
| 2022 | 4 | 6 |
| 2023 | 6 | 13 |
| 2024 | 3 | 11 |
| 2025 | 7 | 4 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Steel25 Nov 2025US 12,480,190 B2Jtekt Corporation
- Steel strip for battery case and method for producing steel strip20 Aug 2026US 2026/0241441 A1Institute of Research of Iron and Steel, Jiangsu Province/Sha-Steel, Co., Ltd.
- Continuous casting mold, continuous casting machine, and continuous casting method13 Aug 2026US 2026/0233294 A1Nippon Steel Corporation
- Additive composition and method for chemically adjusting molten metal11 Jun 2026US 2026/0159908 A1Hatch Ltd.
- Fe-cr-ni alloys with excellent surface properties and their production methods7 May 2026US 2026/0125781 A1Nippon Yakin Kogyo Co., Ltd.
- Method for manufacturing high-chromium (cr) molten steel, method for manufacturing cast piece, and method for manufacturing press roll16 Apr 2026US 2026/0103769 A1Posco
Most cited
By later US patents
- Systems for recycling overspray powder during spray forming29US 5,683,653 AGeneral Electric Company · 1997
- Process and additive for the ladle refining of steel25US 5,397,379 AOglebay Norton Company · 1995
- Refining of metals20US 4,511,396 A1985
- Utilization of strontium aluminate in steelmaking19US 6,051,049 AExothermic Distribution Corporation · 2000
- Rare earth metal silicide alloys18US 4,018,597 AFoote Mineral Company · 1977