B21D 5/04
On brakes making use of clamping means on one side of the
Official title: on brakes making use of clamping means on one side of the work
B21D5/04 (On brakes making use of clamping means on one side of the) appears on 351 US grants and 223 published applications in this corpus.
Search patents in B21D- Granted patents
- 351
- Published applications
- 223
- Assignees
- 176
- Inventors
- 501
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 6 | 0 |
| 1981 | 3 | 0 |
| 1982 | 7 | 0 |
| 1983 | 6 | 0 |
| 1984 | 4 | 0 |
| 1985 | 9 | 0 |
| 1986 | 6 | 0 |
| 1987 | 8 | 0 |
| 1988 | 6 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 7 | 0 |
| 1994 | 8 | 0 |
| 1995 | 4 | 0 |
| 1996 | 10 | 0 |
| 1997 | 6 | 0 |
| 1998 | 13 | 0 |
| 1999 | 20 | 0 |
| 2000 | 12 | 0 |
| 2001 | 10 | 0 |
| 2002 | 6 | 7 |
| 2003 | 10 | 14 |
| 2004 | 9 | 12 |
| 2005 | 10 | 11 |
| 2006 | 8 | 4 |
| 2007 | 7 | 9 |
| 2008 | 6 | 10 |
| 2009 | 4 | 13 |
| 2010 | 8 | 7 |
| 2011 | 7 | 7 |
| 2012 | 7 | 7 |
| 2013 | 7 | 6 |
| 2014 | 7 | 11 |
| 2015 | 7 | 10 |
| 2016 | 7 | 7 |
| 2017 | 10 | 12 |
| 2018 | 5 | 6 |
| 2019 | 9 | 8 |
| 2020 | 6 | 12 |
| 2021 | 9 | 9 |
| 2022 | 10 | 10 |
| 2023 | 10 | 4 |
| 2024 | 7 | 9 |
| 2025 | 2 | 13 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Workpiece manipulation device for a swivel bending machine10 Feb 2026US 12,544,817 B2TRUMPF Maschinen Austria GmbH & Co. KG.
- Combination machine for folding and die bending a workpiece4 Mar 2025US 12,240,028 B2Blech-Tec GmbH
- Table assembly for press brake system11 Feb 2025US 12,220,739 B2Schweitzer Engineering Laboratories, Inc.
- Bending press and method for operating a bending press15 Oct 2024US 12,115,574 B2TRUMPF Maschinen Austria GmbH & Co. KG.
- Bending fixture for applying variable bending to an object8 Oct 2024US 12,109,607 B2Triple Win Technology(Shenzhen) Co. Ltd.
- Tool changer for bending machine and tool changing method for bending machine20 Aug 2026US 2026/0241436 A1Amada Company, Limited
- Pressure molding device and pressure molding method30 Jul 2026US 2026/0216776 A1Posco
- Method for producing a seam using a bending machine, and bending machine configured for this purpose19 Mar 2026US 2026/0077398 A1EVOBEND GmbH
- Manufacturing Device of Secondary Battery and Manufacturing Method of Secondary Battery12 Feb 2026US 2026/0045650 A1LG Energy Solution, Ltd.
- Apparatus And Method For The Automated Bending Of Workpieces8 Jan 2026US 2026/0008092 A1Bystronic Laser AG
Most cited
By later US patents
- Fingerpad force sensing system54US 5,844,146 AAmada America, Inc. · 1998
- Sheet bending brake51US 4,557,132 ATapco Products Company, Inc. · 1985
- Method and apparatus for bending steel rule43US 5,461,893 ACNC Corporation · 1995
- Brake for sheet metal or the like37US 4,282,735 AVan Mark Products Corporation · 1981
- Method and apparatus for forming box-shaped sheet metal ducts36US 5,105,640 AIowa Precision Industries, Inc. · 1992