B22D 41/14
Closures
B22D41/14 (Closures) appears on 668 US grants and 255 published applications in this corpus.
Search patents in B22D- Granted patents
- 668
- Published applications
- 255
- Assignees
- 250
- Inventors
- 1,021
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 9 | 0 |
| 1978 | 12 | 0 |
| 1979 | 6 | 0 |
| 1980 | 23 | 0 |
| 1981 | 19 | 0 |
| 1982 | 10 | 0 |
| 1983 | 10 | 0 |
| 1984 | 10 | 0 |
| 1985 | 22 | 0 |
| 1986 | 26 | 0 |
| 1987 | 22 | 0 |
| 1988 | 28 | 0 |
| 1989 | 24 | 0 |
| 1990 | 25 | 0 |
| 1991 | 29 | 0 |
| 1992 | 35 | 0 |
| 1993 | 17 | 0 |
| 1994 | 23 | 0 |
| 1995 | 18 | 0 |
| 1996 | 11 | 0 |
| 1997 | 18 | 0 |
| 1998 | 11 | 0 |
| 1999 | 14 | 0 |
| 2000 | 16 | 0 |
| 2001 | 12 | 3 |
| 2002 | 12 | 7 |
| 2003 | 13 | 7 |
| 2004 | 6 | 9 |
| 2005 | 6 | 6 |
| 2006 | 1 | 10 |
| 2007 | 6 | 14 |
| 2008 | 6 | 7 |
| 2009 | 8 | 11 |
| 2010 | 3 | 18 |
| 2011 | 6 | 13 |
| 2012 | 7 | 15 |
| 2013 | 16 | 12 |
| 2014 | 11 | 9 |
| 2015 | 12 | 8 |
| 2016 | 8 | 12 |
| 2017 | 10 | 11 |
| 2018 | 11 | 8 |
| 2019 | 8 | 6 |
| 2020 | 4 | 8 |
| 2021 | 7 | 7 |
| 2022 | 7 | 18 |
| 2023 | 10 | 12 |
| 2024 | 18 | 10 |
| 2025 | 2 | 9 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Melt transportation apparatus and melt transportation method7 Jul 2026US 12,673,360 B2Posco
- Sliding nozzle apparatus7 Jul 2026US 12,673,361 B2Krosakiharima Corporation
- Sliding nozzle device7 Jul 2026US 12,673,362 B2Krosakiharima Corporation
- Drip prevention device for pressurized pouring furnace13 Jan 2026US 12,521,788 B2Tpr Co., Ltd.
- Refractory product8 Jul 2025US 12,350,737 B2Krosakiharima Corporation
- Sliding Closure for a Metallurgical Vessel, and an Exchangeable Nozzle3 Sep 2026US 2026/0257269 A1Refractory 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.
- Method of tapping molten metal and apparatus for tapping molten metal8 Jan 2026US 2026/0008096 A1Tounetsu Co., Ltd.
- Stopper rod and method for inducing a rotational flow of a molten metal1 Jan 2026US 2026/0001123 A1Refractory Intellectual Property GmbH & Co.KG
Most cited
By later US patents
- Metallurgical pouring vessels91US 5,374,036 AFoseco International Limited · 1994
- Method of machining a ceramic member57US 4,650,619 AToshiba Ceramics Co., Ltd. · 1987
- Method and apparatus for flow control in electroslag refining process55US 5,348,566 AGeneral Electric Company · 1994
- Electromagnetic valve for controlling the flow of molten, magnetic material55US 5,765,730 AAmerican Iron and Steel Institute · 1998
- Cross-linked plastics based on cyanic acid esters and method of production thereof48US 4,195,132 ABayer Aktiengesellschaft · 1980