B22D 41/16
Stopper-rod type, i.e. a stopper-rod being positioned downwardly through the vessel and
Official title: stopper-rod type, i.e. a stopper-rod being positioned downwardly through the vessel and the metal therein, for selective registry with the pouring opening
B22D41/16 (Stopper-rod type, i.e. a stopper-rod being positioned downwardly through the vessel and) appears on 123 US grants and 80 published applications in this corpus.
Search patents in B22D- Granted patents
- 123
- Published applications
- 80
- Assignees
- 76
- Inventors
- 268
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 6 | 0 |
| 1993 | 2 | 0 |
| 1994 | 8 | 0 |
| 1995 | 5 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 2 |
| 2002 | 5 | 4 |
| 2003 | 7 | 0 |
| 2004 | 0 | 4 |
| 2005 | 3 | 2 |
| 2006 | 1 | 4 |
| 2007 | 3 | 4 |
| 2008 | 1 | 4 |
| 2009 | 2 | 5 |
| 2010 | 1 | 5 |
| 2011 | 2 | 2 |
| 2012 | 2 | 7 |
| 2013 | 2 | 1 |
| 2014 | 4 | 3 |
| 2015 | 1 | 2 |
| 2016 | 3 | 4 |
| 2017 | 2 | 6 |
| 2018 | 5 | 1 |
| 2019 | 2 | 1 |
| 2020 | 2 | 1 |
| 2021 | 2 | 0 |
| 2022 | 0 | 8 |
| 2023 | 1 | 1 |
| 2024 | 5 | 3 |
| 2025 | 0 | 3 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Drip prevention device for pressurized pouring furnace13 Jan 2026US 12,521,788 B2Tpr Co., Ltd.
- Ventilating stopper rod with temperature measurement function31 Dec 2024US 12,179,260 B2Shenyang Taihe Metallurgical Measurement and Control Technologies Co., Ltd.
- Metering device for withdrawing and dispensing a melt and method for producing the metering device13 Aug 2024US 12,060,303 B2Schunk Kohlenstofftechnik GmbH
- Stopper for continuous casting and continuous casting method2 Jul 2024US 12,023,730 B2Krosakiharima Corporation
- Stopper rod and a method for providing a uniform gas curtain around a stopper rod11 Jun 2024US 12,005,494 B2Refractory Intellectual Property GmbH & Co.KG
- Ridged tundish stopper14 May 2026US 2026/0131375 A1Vesuvius Group S. A.
- Ridged tundish stopper23 Apr 2026US 2026/0108940 A1Vesuvius Group S. A.
- Stopper rod and method for inducing a rotational flow of a molten metal1 Jan 2026US 2026/0001123 A1Refractory Intellectual Property GmbH & Co.KG
- Melt transportation device23 Oct 2025US 2025/0326030 A1Fill Gesellschaft m.b.H.
- Control device for a metallurgical vessel stopper-rod11 Sep 2025US 2025/0281974 A1Vesuvius-Sert, SAS
Most cited
By later US patents
- Composite high temperature protection tube26US 4,093,193 AElectro-Nite Co. · 1978
- Refractory articles and composite metal-ceramic articles (cermets) prepared from a silicate-containing aluminum titanate25US 4,277,539 ARosenthal Technik AG · 1981
- Erosion, thermal shock and oxidation resistant refractory compositions18US 5,185,300 AVesuvius Crucible Company · 1993
- Stopper plug for bottom pour ladles14US 3,958,730 A1976
- Expandable, consumable stopper plug for steel making and handling vessels14US 4,471,950 A1984