B21D 5/0218
Length adjustment of the punch
Official title: {Length adjustment of the punch}
B21D5/0218 (Length adjustment of the punch) appears on 23 US grants and 24 published applications in this corpus.
Search patents in B21D- Granted patents
- 23
- Published applications
- 24
- Assignees
- 12
- Inventors
- 44
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 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 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 0 | 1 |
| 2017 | 0 | 2 |
| 2018 | 2 | 3 |
| 2019 | 3 | 1 |
| 2020 | 1 | 0 |
| 2021 | 2 | 6 |
| 2022 | 0 | 5 |
| 2023 | 3 | 0 |
| 2024 | 4 | 2 |
| 2025 | 4 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for installing divided upper tool to upper tool holder provided on upper table of press brake, tool changer, and tool stocker14 Oct 2025US 12,440,881 B2Amada Company, Limited
- Bending system and correcting method for tool misalignment1 Jul 2025US 12,343,781 B2Amada Company, Limited
- Upper tool stocker4 Feb 2025US 12,214,406 B2Amada Company, Limited
- Press brake21 Jan 2025US 12,202,026 B2Kawasaki Jukogyo Kabushiki Kaisha
- Tool changer31 Dec 2024US 12,179,252 B2Amada Company, Limited
- Bending system and correcting method for tool misalignment18 Sep 2025US 2025/0289046 A1Amada Company, Limited
- Clamping system for a press brake, tool and assembly thereof15 Aug 2024US 2024/0269725 A1Wila B.V.
- Method for installing divided upper tool to upper tool holder provided on upper table of press brake, tool changer, and tool stocker8 Aug 2024US 2024/0261839 A1Amada Company, Limited
- Punch tool with expanded portion and method of operating the same1 Dec 2022US 2022/0379361 A1Amada Company, Limited
- Metal sheet bending machine6 Oct 2022US 2022/0314294 A1Salvagnini Italia S.p.A.
Most cited
By later US patents
- Die exchange apparatus for the use of a press brake31US 5,168,745 AYamazaki Mazak Corporation · 1992
- Apparatus for adjusting tool length of bending machine25US 4,660,402 AMaru Kikai Kogyo Co., Ltd. · 1987
- Apparatus for exchanging tool for bending machine15US 4,930,332 AMaru Kikai Kogyo Co., Ltd. · 1990
- Sheet metal bending machine12US 10,500,623 B2Salvagnini Italia S.p.A. · 2019
- Die exchange apparatus for the use of a press brake10US 5,134,873 AYamazaki Mazak Corporation · 1992