C21B 7/14
Discharging devices
Official title: Discharging devices, e.g. for slag
C21B7/14 (Discharging devices) appears on 111 US grants and 55 published applications in this corpus.
Search patents in C21B- Granted patents
- 111
- Published applications
- 55
- Assignees
- 78
- Inventors
- 238
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 5 | 0 |
| 1982 | 8 | 0 |
| 1983 | 4 | 0 |
| 1984 | 7 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 2 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 2 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 4 |
| 2008 | 1 | 3 |
| 2009 | 0 | 3 |
| 2010 | 1 | 0 |
| 2011 | 3 | 8 |
| 2012 | 2 | 3 |
| 2013 | 0 | 2 |
| 2014 | 5 | 1 |
| 2015 | 3 | 4 |
| 2016 | 2 | 4 |
| 2017 | 3 | 0 |
| 2018 | 4 | 1 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 6 | 11 |
| 2026 | 0 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Use of residual iron within granulated metallic unit production facilities, and associated systems, devices, and methods11 Nov 2025US 12,465,973 B2Suncoke Technology and Development LLC
- Continuous granulated metallic units production, and associated systems, devices, and methods30 Sep 2025US 12,427,569 B2Suncoke Technology and Development LLC
- Low-carbon granulated metallic units23 Sep 2025US 12,420,335 B2Suncoke Technology and Development LLC
- Use of a basic oxygen furnace to produce granulated metallic units, and associated systems, devices, and methods2 Sep 2025US 12,403,529 B2Suncoke Technology and Development LLC
- Low-sulfur granulated metallic units26 Aug 2025US 12,397,346 B2Suncoke Technology and Development LLC
- Low-sulfur granulated metallic units, and associated systems, devices, and methods14 May 2026US 2026/0131376 A1Suncoke Technology and Development LLC
- Treating cooling water in iron production facilities, and associated systems, devices, and methods26 Feb 2026US 2026/0054312 A1Suncoke Technology and Development LLC
- Low-carbon granulated metallic units, and associated systems, devices, and methods19 Feb 2026US 2026/0048434 A1Suncoke Technology and Development LLC
- Use of residual iron within granulated metallic unit production facilities, and associated systems, devices, and methods5 Feb 2026US 2026/0034581 A1Suncoke Technology and Development LLC
- Continuous granulated metallic units production, and associated systems, devices, and methods1 Jan 2026US 2026/0001124 A1Suncoke Technology and Development LLC
Most cited
By later US patents
- Apparatus and method for tapping a reactor containing a molten fluid110US 5,690,888 AMolten Metal Technologies, Inc. · 1997
- Cover for launders30US 5,744,093 ADesom Enviromental Systems Limited · 1998
- Pumpable casting composition and method of use21US 5,494,267 AMagneco/Metrel, Inc. · 1996
- Prefabricated consumable blast furnace runner14US 4,262,885 A1981
- Unitary tundish linings with flow-control devices12US 4,993,692 A1991