B21D 45/003
In punching machines or punching tools
Official title: {in punching machines or punching tools}
B21D45/003 (In punching machines or punching tools) appears on 206 US grants and 143 published applications in this corpus.
Search patents in B21D- Granted patents
- 206
- Published applications
- 143
- Assignees
- 116
- Inventors
- 332
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 7 | 0 |
| 1992 | 6 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 7 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 2 |
| 2002 | 3 | 6 |
| 2003 | 4 | 3 |
| 2004 | 3 | 4 |
| 2005 | 1 | 4 |
| 2006 | 2 | 6 |
| 2007 | 2 | 3 |
| 2008 | 0 | 5 |
| 2009 | 3 | 5 |
| 2010 | 4 | 9 |
| 2011 | 2 | 7 |
| 2012 | 5 | 6 |
| 2013 | 8 | 9 |
| 2014 | 8 | 5 |
| 2015 | 10 | 16 |
| 2016 | 10 | 11 |
| 2017 | 7 | 5 |
| 2018 | 6 | 6 |
| 2019 | 7 | 3 |
| 2020 | 7 | 4 |
| 2021 | 2 | 6 |
| 2022 | 2 | 5 |
| 2023 | 2 | 3 |
| 2024 | 6 | 2 |
| 2025 | 2 | 2 |
| 2026 | 1 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Punching tool for mobile use10 Feb 2026US 12,544,820 B2Alfra GmbH
- Production method for integrated circuits4 Nov 2025US 12,459,027 B2Texas Instruments Incorporated
- Processing apparatus, control method for processing apparatus and heat exchanger20 May 2025US 12,303,960 B2Zhejiang Sanhua Automotive Components Co., Ltd.
- Pressing machine and pressed product manufacturing method3 Dec 2024US 12,157,157 B2Asahi-Seiki Manufacturing Co., Ltd.
- Apparatuses and methods for cutting porous substrates19 Nov 2024US 12,145,288 B2Qiagen Healthcare Biotechnologies Systems GmbH
- Single-machine multi-station linkage press machine25 Jun 2026US 2026/0175282 A1Zhejiang Jinaolan Machine Tool Co., Ltd
- Cutting and scrap ejector system for panel21 May 2026US 2026/0138198 A1Ford Global Technologies, LLC
- Systems and methods for a hydraulic tool16 Apr 2026US 2026/0102815 A1
- Systems and methods for a hydraulic tool16 Apr 2026US 2026/0102893 A1
- Die apparatus for manufacturing secondary battery and link-type knockout unit for die apparatus19 Mar 2026US 2026/0081203 A1Samsung SDI.Co., Ltd.
Most cited
By later US patents
- 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
- Adjustable length punch set assembly45US 5,329,835 AWilson Tool International Inc. · 1994
- Apparatus for piercing hydroformed part42US 5,398,533 AGeneral Motors Corporation · 1995