B21C 23/214
Devices for changing die or container
Official title: {Devices for changing die or container}
B21C23/214 (Devices for changing die or container) appears on 26 US grants and 14 published applications in this corpus.
Search patents in B21C- Granted patents
- 26
- Published applications
- 14
- Assignees
- 18
- Inventors
- 42
- Latest grant
- 23 Jul 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 2 | 1 |
| 2017 | 0 | 2 |
| 2018 | 2 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 2 |
| 2021 | 0 | 0 |
| 2022 | 2 | 3 |
| 2023 | 2 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Die block device23 Jul 2024US 12,042,837 B2Ube Machinery Corporation, Ltd.
- Extrusion machine, method for distance control and method for changing a friction wheel in an extrusion machine24 Oct 2023US 11,794,229 B2ASMAG-Holding GmbH
- Extrusion machine, method for distance control and method for changing a friction wheel in an extrusion machine20 Jun 2023US 11,679,427 B2ASMAG-Holding GmbH
- Extrusion machine, method for distance control and method for changing a friction wheel in an extrusion machine20 Sep 2022US 11,446,721 B2ASMAG-Holding GmbH
- Press for the direct extrusion of metallic material5 Apr 2022US 11,292,041 B2Danieli & C. Officine Meccaniche SpA
- Extrusion system8 May 2025US 2025/0144689 A1Magna International Inc.
- Die block device4 May 2023US 2023/0136509 A1Ube Machinery Corporation, Ltd.
- Extrusion machine, method for distance control and method for changing a friction wheel in an extrusion machine13 Oct 2022US 2022/0324004 A1ASMAG-Holding GmbH
- Extrusion machine, method for distance control and method for changing a friction wheel in an extrusion machine13 Oct 2022US 2022/0324005 A1ASMAG-Holding GmbH
- Extrusion machine, method for distance control and method for changing a friction wheel in an extrusion machine13 Oct 2022US 2022/0324006 A1ASMAG-Holding GmbH
Most cited
By later US patents
- Continuous extrusion apparatus20US 5,157,955 ABWE Limited · 1992
- Method and apparatus for changing a die ring from the die in an indirect extrusion press14US 4,154,081 AWean United, Inc. · 1979
- Apparatus for fitting an extrusion die holder onto the press stem of an indirect metal extrusion press7US 4,213,318 ASchloemann-Siemag Aktiengesellschaft · 1980
- Indirect extrusion process and machinery therefor7US 4,781,053 A1988
- Multiple cylinder extrusion apparatus and method5US 4,862,721 AHydramet American Inc. · 1989