C21C 5/305
Afterburning
Official title: {Afterburning}
C21C5/305 (Afterburning) appears on 36 US grants and 19 published applications in this corpus.
Search patents in C21C- Granted patents
- 36
- Published applications
- 19
- Assignees
- 27
- Inventors
- 87
- Latest grant
- 9 Jan 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 7 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 3 |
| 2012 | 2 | 2 |
| 2013 | 0 | 2 |
| 2014 | 0 | 1 |
| 2015 | 2 | 3 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Lance and operation method using the same9 Jan 2018US 9,863,014 B2Posco
- Starting a smelting process26 Sep 2017US 9,771,626 B2Technological Resources Pty. Limited
- Reinforced distributor for post-combustion lance24 Nov 2015US 9,194,014 B2Berry Metal Company
- Post-combustion lance including an internal support assembly6 Jan 2015US 8,926,895 B2A. H. Tallman Bronze Company Limited
- Post-combustion lance with internal support10 Jul 2012US 8,216,507 B2A. H. Tallman Bronze Company Limited
- Molten iron refining method7 Mar 2024US 2024/0076754 A1Jfe Steel Corporation
- Lance for blowing oxygen in steelmaking16 Nov 2023US 2023/0366052 A1ArcelorMittal
- Blow lance assembly for metal manufacturing and refining13 Sep 2018US 2018/0258503 A1Lumar Metals Ltd.
- Arc evaporation coating source having a permanent magnet7 Apr 2016US 2016/0099134 A1Plansee SE
- Lance and operation method using the same3 Dec 2015US 2015/0344982 A1Posco
Most cited
By later US patents
- Apparatus for electric steelmaking43US 5,714,113 AAmerican Combustion, Inc. · 1998
- Direct smelting process30US 6,602,321 B2Technological Resources Pty. Limited · 2003
- Steelmaking process26US 4,356,035 AEisenwerk-Gesellschaft Maximilianshutte · 1982
- Top submergable lance24US 5,308,043 AAusmelt Pty. Ltd. · 1994
- Apparatus for electric steelmaking19US 5,788,921 AAmerican Combustion, Inc. · 1998