B22D 41/22
Sliding-gate type, i.e. having a fixed plate and a movable plate in
Official title: sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings
B22D41/22 (Sliding-gate type, i.e. having a fixed plate and a movable plate in) appears on 431 US grants and 157 published applications in this corpus.
Search patents in B22D- Granted patents
- 431
- Published applications
- 157
- Assignees
- 150
- Inventors
- 608
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 8 | 0 |
| 1978 | 8 | 0 |
| 1979 | 5 | 0 |
| 1980 | 17 | 0 |
| 1981 | 12 | 0 |
| 1982 | 8 | 0 |
| 1983 | 9 | 0 |
| 1984 | 8 | 0 |
| 1985 | 18 | 0 |
| 1986 | 23 | 0 |
| 1987 | 16 | 0 |
| 1988 | 24 | 0 |
| 1989 | 18 | 0 |
| 1990 | 14 | 0 |
| 1991 | 20 | 0 |
| 1992 | 15 | 0 |
| 1993 | 11 | 0 |
| 1994 | 8 | 0 |
| 1995 | 10 | 0 |
| 1996 | 8 | 0 |
| 1997 | 9 | 0 |
| 1998 | 6 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 5 | 1 |
| 2002 | 7 | 4 |
| 2003 | 6 | 6 |
| 2004 | 4 | 5 |
| 2005 | 3 | 5 |
| 2006 | 1 | 5 |
| 2007 | 3 | 9 |
| 2008 | 5 | 2 |
| 2009 | 4 | 4 |
| 2010 | 2 | 12 |
| 2011 | 3 | 7 |
| 2012 | 4 | 8 |
| 2013 | 12 | 10 |
| 2014 | 5 | 6 |
| 2015 | 11 | 5 |
| 2016 | 5 | 7 |
| 2017 | 7 | 5 |
| 2018 | 5 | 6 |
| 2019 | 6 | 5 |
| 2020 | 1 | 6 |
| 2021 | 5 | 7 |
| 2022 | 6 | 10 |
| 2023 | 9 | 9 |
| 2024 | 11 | 7 |
| 2025 | 2 | 5 |
| 2026 | 3 | 1 |
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
- Refractory product8 Jul 2025US 12,350,737 B2Krosakiharima Corporation
- Sliding member and method for producing sliding member1 Jul 2025US 12,345,295 B2Daido Metal Company Ltd.
- Sliding Closure for a Metallurgical Vessel, and an Exchangeable Nozzle3 Sep 2026US 2026/0257269 A1Refractory Intellectual Property GmbH & Co.KG
- Refractory plate, method for the production of the refractory plate, use of the refractory plate, slide gate valve for controlling a flow of molten metal and vessel for containing molten metal13 Nov 2025US 2025/0345847 A1Refractory Intellectual Property GmbH & Co.KG
- Sliding closure for a container containing molten metal9 Oct 2025US 2025/0312843 A1Refractory Intellectual Property GmbH & Co.KG
- Sliding nozzle device mounting system25 Sep 2025US 2025/0296144 A1Krosakiharima Corporation
- Sliding nozzle apparatus22 May 2025US 2025/0162024 A1Krosakiharima Corporation
Most cited
By later US patents
- Method of machining a ceramic member57US 4,650,619 AToshiba Ceramics Co., Ltd. · 1987
- Cross-linked plastics based on cyanic acid esters and method of production thereof48US 4,195,132 ABayer Aktiengesellschaft · 1980
- Closable bag and method and arrangement for aseptic filling thereof48US 4,731,978 AAlfa-Laval Food & Dairy Engineering AB · 1988
- Method for controlling AMT system including speed sensor signal fault detection and tolerance37US 4,849,899 AEaton Corporation · 1989
- Process for preserving wood35US 4,649,065 AMooney Chemicals, Inc. · 1987