B21D 28/346
Length adjustable perforating tools
Official title: {length adjustable perforating tools}
B21D28/346 (Length adjustable perforating tools) appears on 44 US grants and 27 published applications in this corpus.
Search patents in B21D- Granted patents
- 44
- Published applications
- 27
- Assignees
- 22
- Inventors
- 57
- Latest grant
- 17 Sep 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 2 | 5 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 4 | 2 |
| 2014 | 0 | 3 |
| 2015 | 1 | 2 |
| 2016 | 1 | 1 |
| 2017 | 4 | 1 |
| 2018 | 3 | 3 |
| 2019 | 1 | 1 |
| 2020 | 2 | 2 |
| 2021 | 2 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Punching apparatus17 Sep 2024US 12,090,543 B2Salvagnini Italia S.p.A.
- Adjustable width blanking die apparatuses21 Feb 2023US 11,583,914 B2Toyota Motor Engineering & Manufacturing North America, Inc.
- Adjustable punch head assembly15 Jun 2021US 11,034,046 B2Amada Tool America, Inc.
- Method of adjusting a punch body assembly6 Apr 2021US 10,967,535 B2Amada Tool America, Inc.
- Punch die2 Jun 2020US 10,668,520 B2Amada Holdings Co., Ltd.
- Battery manufacturing device and manufacturing method24 Apr 2025US 2025/0128310 A1Samsung SDI.Co., Ltd.
- Stud Punch24 Oct 2024US 2024/0351088 A1Crux Partners, LLC
- Punching apparatus17 Nov 2022US 2022/0362830 A1Salvagnini Italia S.p.A.
- Adjustable width blanking die apparatuses31 Dec 2020US 2020/0406331 A1Toyota Motor Engineering & Manufacturing North America, Inc.
- Method of adjusting a punch body assembly23 Apr 2020US 2020/0122351 A1Amada Tool America, Inc.
Most cited
By later US patents
- Quick change adjustable punch tool assembly and method of adjustment54US 6,047,621 AElba Electronetics, Inc. · 2000
- Adjustable form tool head50US 5,020,407 A1991
- Punch unit50US 5,839,341 AMate Precision Tooling, Inc. · 1998
- Punch assembly47US 5,131,303 AWilson Tool International Inc. · 1992
- Adjustable punch assembly with releasable locking47US 6,276,247 B1Strippit, Inc. · 2001