B21D 5/004
Bending sheet metal along straight lines: with program control
Official title: {with program control}
B21D5/004 (Bending sheet metal along straight lines: with program control) appears on 120 US grants and 133 published applications in this corpus.
Search patents in B21D- Granted patents
- 120
- Published applications
- 133
- Assignees
- 92
- Inventors
- 283
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 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 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 8 |
| 2014 | 1 | 4 |
| 2015 | 2 | 7 |
| 2016 | 7 | 4 |
| 2017 | 5 | 7 |
| 2018 | 3 | 8 |
| 2019 | 10 | 8 |
| 2020 | 7 | 10 |
| 2021 | 8 | 16 |
| 2022 | 7 | 14 |
| 2023 | 10 | 15 |
| 2024 | 15 | 13 |
| 2025 | 12 | 10 |
| 2026 | 4 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Bending machine and method for processing a workpiece by means of a bending machine6 Oct 2026US 12,752,333 B2EVOBEND GmbH
- Fully automated sheet metal bending cell2 Jun 2026US 12,643,137 B2Concept & Forme Developpements SA
- Bending system, and divided tool arrangement method24 Feb 2026US 12,558,717 B2Amada Company, Limited
- Method and apparatus for manufacturing metal pipe3 Feb 2026US 12,539,533 B2Nakata Manufacturing Co., Ltd.
- Bending system26 Aug 2025US 12,397,335 B2Amada Company, Limited
- Pressure molding device and pressure molding method30 Jul 2026US 2026/0216776 A1Posco
- Automated sphere plate pressing method16 Jul 2026US 2026/0199948 A1CB&I STS Delaware LLC
- Press brake and press brake control method28 May 2026US 2026/0145216 A1Amada Company, Limited
- Asymmetric steel formation device21 May 2026US 2026/0138174 A1Cherng Ji Industrial Co., Ltd.
- Press brake and press brake control method7 May 2026US 2026/0124658 A1Amada Company, Limited
Most cited
By later US patents
- Fingerpad force sensing system54US 5,844,146 AAmada America, Inc. · 1998
- Method and apparatus for bending an elongate workpiece43US 4,947,666 AThe Boeing Company · 1990
- Programming system for the single arm bending robot34US 5,005,394 AAmada Company, Limited · 1991
- Soft-wired machine tool control33US 4,074,350 AHurco Manufacturing Company, Inc. · 1978
- Method and related apparatus for controlling the operation of a press brake33US 4,864,509 AThe Boeing Company · 1989