C21C 5/445
Lining or repairing the taphole
Official title: {Lining or repairing the taphole}
C21C5/445 (Lining or repairing the taphole) appears on 28 US grants and 16 published applications in this corpus.
Search patents in C21C- Granted patents
- 28
- Published applications
- 16
- Assignees
- 22
- Inventors
- 72
- Latest grant
- 7 Nov 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 2 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 1 | 3 |
| 2018 | 1 | 2 |
| 2019 | 1 | 0 |
| 2020 | 2 | 0 |
| 2021 | 1 | 2 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- System for continuously detecting temperature and composition of molten steel during converter steelmaking7 Nov 2023US 11,808,635 B2
- Method for determining the state of a refractory lining of a metallurgical vessel for molten metal in particular2 Mar 2021US 10,935,320 B2Refractory Intellectual Property GmbH & Co.KG
- Method and device for repairing a refractory shell of a metallurgical vessel8 Dec 2020US 10,857,593 B2Refractory Intellectual Property GmbH & Co.KG
- Predictive refractory performance measurement system8 Dec 2020US 10,859,316 B1HarbisonWalker International, Inc.
- Device for inserting a refractory block into a taphole structure of a metallurgical vessel, in particular a basic oxygen furnace3 Sep 2019US 10,400,294 B2Refractory Intellectual Property GmbH & Co.KG
- Installation for applying a lining composition in the form of dry particulate material to form a working lining onto a permanent refractory layer of a tundish23 Oct 2025US 2025/0326031 A1Vesuvius Group S. A.
- System for continuously detecting temperature of molten steel and detecting composition during converter steelmaking22 Apr 2021US 2021/0116307 A1
- Chromia-based brick8 Apr 2021US 2021/0101835 A1Tyk Corporation
- Method for determining the state of a refractory lining of a metallurgical vessel for molten metal in particular6 Dec 2018US 2018/0347907 A1Refractory Intellectual Property GmbH & Co.KG
- Method and Device for Repairing a Refractory Shell of a Metallurgical Vessel1 Feb 2018US 2018/0029117 A1Refractory Intellectual Property GmbH & Co.KG
Most cited
By later US patents
- Taphole apparatus8US 4,427,184 AVeitscher Magnesitwerke-Actien-Gesellschaft · 1984
- Tap spout for metallurgical vessels and method of repairing8US 4,984,769 ADidier-Werke AG · 1991
- Projection molten impeller for concave section used in apparatus8US 5,259,880 AKurosaki Refractories Co., Ltd. · 1993
- Ladle refractory lining preheater5US 4,014,532 A1977
- Method for repairing the tap hole of a converter5US 4,283,042 AKurosaki Refractories Co., Ltd. · 1981