B22D 11/181
Responsive to molten metal level or slag level
Official title: {responsive to molten metal level or slag level}
B22D11/181 (Responsive to molten metal level or slag level) appears on 174 US grants and 122 published applications in this corpus.
Search patents in B22D- Granted patents
- 174
- Published applications
- 122
- Assignees
- 120
- Inventors
- 466
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 6 | 0 |
| 1980 | 5 | 0 |
| 1981 | 6 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 8 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 7 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 1 |
| 2003 | 3 | 2 |
| 2004 | 2 | 2 |
| 2005 | 2 | 1 |
| 2006 | 0 | 2 |
| 2007 | 0 | 2 |
| 2008 | 0 | 2 |
| 2009 | 1 | 2 |
| 2010 | 1 | 1 |
| 2011 | 3 | 9 |
| 2012 | 2 | 5 |
| 2013 | 5 | 6 |
| 2014 | 5 | 5 |
| 2015 | 3 | 4 |
| 2016 | 7 | 1 |
| 2017 | 1 | 6 |
| 2018 | 0 | 4 |
| 2019 | 5 | 13 |
| 2020 | 10 | 2 |
| 2021 | 7 | 14 |
| 2022 | 3 | 12 |
| 2023 | 9 | 6 |
| 2024 | 12 | 7 |
| 2025 | 4 | 6 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Flow rate measurement system30 Jun 2026US 12,669,357 B2Nippon Steel Corporation
- High-strength steel sheet and method for producing same19 May 2026US 12,630,895 B2Jfe Steel Corporation
- Method of molten metal casting utilizing an impact pad in the tundish10 Feb 2026US 12,544,828 B2I.P.C. Refractories, Spol, S.R.O.
- Continuous casting plant and corresponding regulation method21 Oct 2025US 12,447,526 B2Danieli Automation S.P.A.
- Continuous casting method of steel15 Apr 2025US 12,275,060 B2Jfe Steel Corporation
- Continuous casting system and melt level estimation method13 Aug 2026US 2026/0233297 A1Nippon Steel Corporation
- Device and method of controlling heat exchange in a crystallizer6 Aug 2026US 2026/0225153 A1Danieli & C. Officine Meccaniche SpA
- Method of molten metal casting utilizing an impact pad in the tundish25 Jun 2026US 2026/0175292 A1I.P.C. Refractories, Spol, S.R.O.
- Ridged tundish stopper14 May 2026US 2026/0131375 A1Vesuvius Group S. A.
- Mold, control system, and continuous casting method of steel23 Apr 2026US 2026/0108936 A1Jfe Steel Corporation
Most cited
By later US patents
- Asymmetrical microporous hollow fiber for hemodialysis68US 4,906,375 AFresenius AG · 1990
- Continuous casting controller42US 4,449,568 AAllied Corporation · 1984
- Device for detecting slag flowing with molten metal through an outlet opening in a metallurgical vessel29US 4,887,798 AAMEPA Angewandte Messtechnik und Prozessautomatisierung GmbH · 1989
- Method and apparatus for the detection of slag co-flowing within a stream of molten metal22US 4,816,758 AAMEPA Angewandte Messtechnik und Prozessautomatisierung GmbH · 1989
- Method and apparatus for electromagnetically measuring parameters of electrically conductive high temperature materials18US 4,475,083 AStudsvik Energiteknik AB · 1984