B21D 43/025
Fault detection
Official title: {Fault detection, e.g. misfeed detection}
B21D43/025 (Fault detection) appears on 43 US grants and 19 published applications in this corpus.
Search patents in B21D- Granted patents
- 43
- Published applications
- 19
- Assignees
- 33
- Inventors
- 74
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 2 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 2 |
| 2018 | 0 | 2 |
| 2019 | 1 | 4 |
| 2020 | 3 | 1 |
| 2021 | 1 | 0 |
| 2022 | 3 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 2 |
| 2025 | 1 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Method for providing sheet metal pieces for drawing into a sheet metal bending machine, and combination of a device for providing sheet metal pieces for drawing into a sheet metal bending machine with the sheet metal bending machine and with a side drawing-in device30 Apr 2024US 11,969,778 B1Variobend-ASCO GmbH
- Double-blank detecting apparatus for press machine and die protecting apparatus for press machine2 Aug 2022US 11,400,506 B2Aida Engineering, Ltd.
- Press forming system14 Jun 2022US 11,358,207 B2Sumitomo Heavy Industries, Ltd.
- Mechanical die pressure monitoring system5 Apr 2022US 11,292,047 B2Ford Global Technologies, LLC
- Method and system for gripping and moving objects19 Mar 2026US 2026/0077401 A1Salvagnini Italia S.p.A.
- Component forming machine with jammed component mitigation26 Feb 2026US 2026/0054304 A1
- Method for operating a punching press6 Feb 2025US 2025/0042117 A1
- Method for providing sheet metal pieces for drawing into a sheet metal bending machine, and combination of a device for providing sheet metal pieces for drawing into a sheet metal bending machine with the sheet metal bending machine and with a side drawing-in device11 Jul 2024US 2024/0226989 A9Variobend-ASCO GmbH
- Method for providing sheet metal pieces for drawing into a sheet metal bending machine, and combination of a device for providing sheet metal pieces for drawing into a sheet metal bending machine with the sheet metal bending machine and with a side drawing-in device25 Apr 2024US 2024/0131572 A1Variobend-ASCO GmbH
Most cited
By later US patents
- Press control system59US 4,206,666 AJames Joseph Morrison Management Ltd. · 1980
- Malfunction detector59US 4,837,656 A1989
- Misgrip sensor for a support member13US 5,122,782 AMazda Motor Manufacturing (USA) Corporation · 1992
- Method and apparatus for detecting a sheet strip material misfeed condition12US 4,813,320 AOberg Industries · 1989
- Progressive die sensor10US 4,046,040 A1977