C21C 7/005
Treating molten ferrous alloys: using exothermic reaction compositions
Official title: {using exothermic reaction compositions}
C21C7/005 (Treating molten ferrous alloys: using exothermic reaction compositions) appears on 10 US grants and 5 published applications in this corpus.
Search patents in C21C- Granted patents
- 10
- Published applications
- 5
- Assignees
- 8
- Inventors
- 36
- Latest grant
- 14 Jan 2014
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
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| 1988 | 2 | 0 |
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| 1990 | 2 | 0 |
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| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
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- Method and apparatus for processing ferrous materials9 Jun 1998US 5,762,682 AVacmetal Limited
- Liquid steel bath reheating method31 May 1994US 5,316,566 ACockerill Sambre
- Process for heating steel melts and an apparatus for carrying out the process21 Aug 1990US 4,950,325 AVoest-Alpine Stahl Donawitz Gesellschaft m.b.H.
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- Ferritic stainless steel casting and sheet and method for producing the same4 Aug 2011US 2011/0186184 A1Nippon Steel & Sumikin Stainless Steel Corporation
- Ferritic stainless steel casting and sheet and method for producing the same19 Jun 2008US 2008/0142123 A1Nippon Steel Corporation
- Article for Increasing Titanium Content of Steel18 Oct 2007US 2007/0240539 A1
- Cast piece and sheet of ferritic stainless steel, and method for production thereof12 Aug 2004US 2004/0154708 A1
Most cited
By later US patents
- Process and apparatus for refining steel in a metallurgical vessel5US 4,518,422 AArbed S.A. · 1985
- Process for heating molten steel contained in a ladle3US 4,761,178 ABethlehem Steel Corporation · 1988
- Method of and device for the simultaneous heating and refining of a metal bath3US 4,773,929 AArbed S.A. · 1988
- Exothermic slag-forming mixture2US 4,177,070 A1979
- Liquid steel bath reheating method1US 5,316,566 ACockerill Sambre · 1994