B21D 43/02
Advancing work in relation to the stroke of the die or tool
B21D43/02 (Advancing work in relation to the stroke of the die or tool) appears on 1,380 US grants and 726 published applications in this corpus.
Search patents in B21D- Granted patents
- 1,380
- Published applications
- 726
- Assignees
- 587
- Inventors
- 2,052
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 39 | 0 |
| 1977 | 29 | 0 |
| 1978 | 18 | 0 |
| 1979 | 19 | 0 |
| 1980 | 13 | 0 |
| 1981 | 23 | 0 |
| 1982 | 22 | 0 |
| 1983 | 26 | 0 |
| 1984 | 37 | 0 |
| 1985 | 40 | 0 |
| 1986 | 40 | 0 |
| 1987 | 46 | 0 |
| 1988 | 33 | 0 |
| 1989 | 46 | 0 |
| 1990 | 38 | 0 |
| 1991 | 50 | 0 |
| 1992 | 32 | 0 |
| 1993 | 25 | 0 |
| 1994 | 27 | 0 |
| 1995 | 19 | 0 |
| 1996 | 28 | 0 |
| 1997 | 26 | 0 |
| 1998 | 35 | 0 |
| 1999 | 42 | 0 |
| 2000 | 23 | 0 |
| 2001 | 31 | 7 |
| 2002 | 18 | 20 |
| 2003 | 8 | 12 |
| 2004 | 21 | 18 |
| 2005 | 6 | 21 |
| 2006 | 16 | 12 |
| 2007 | 17 | 20 |
| 2008 | 13 | 39 |
| 2009 | 9 | 21 |
| 2010 | 20 | 24 |
| 2011 | 16 | 8 |
| 2012 | 17 | 20 |
| 2013 | 15 | 26 |
| 2014 | 24 | 27 |
| 2015 | 23 | 35 |
| 2016 | 27 | 24 |
| 2017 | 27 | 34 |
| 2018 | 24 | 40 |
| 2019 | 39 | 51 |
| 2020 | 34 | 57 |
| 2021 | 33 | 41 |
| 2022 | 45 | 33 |
| 2023 | 34 | 49 |
| 2024 | 38 | 39 |
| 2025 | 29 | 23 |
| 2026 | 20 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B21D 43/04By means in mechanical engagement with the work1,120
- B21D 43/021Control or correction devices in association with moving strips115
- B21D 43/18By means in pneumatic or magnetic engagement with the work105
- B21D 43/025Fault detection43
- B21D 43/026Combination of two or more feeding devices provided for in b21d43/04 -25
- B21D 43/16By gravity23
- B21D 43/028Tools travelling with material17
- B21D 43/027Combined feeding and ejecting devices16
Recent patents
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- System for accurately punching holes in a profile and its method18 Aug 2026US 12,708,936 B2Soenen Technology NV
- Method for producing a device for moving a workpiece from a first tool into a second tool, electronic computing unit, computer program product and computer-readable medium14 Jul 2026US 12,678,851 B2Bayerische Motoren Werke Aktiengesellschaft
- Apparatus for the production of tear-off lids23 Jun 2026US 12,661,705 B2Soudronic AG
- Fully automated sheet metal bending cell2 Jun 2026US 12,643,137 B2Concept & Forme Developpements SA
- Process for manufacturing vehicle parts24 Sep 2026US 2026/0284733 A1
- Drive assemblies for shell stock feeder assemblies and methods of feeding material into shell presses27 Aug 2026US 2026/0249344 A1Stolle Machinery Company, LLLC
- Production plant comprising a manipulator6 Aug 2026US 2026/0225147 A1TRUMPF Maschinen Austria GmbH & Co. KG.
- Sheet material feeding device30 Jul 2026US 2026/0217486 A1Sankyo Seisakusho Co.
- Press system and shell feeding assembly therefor23 Jul 2026US 2026/0208257 A1Stolle Machinery Company, LLC
Most cited
By later US patents
- Clamping device for holding and clamping components118US 8,720,876 B2EDAG GmbH & Co. KGaA · 2014
- Work transfer apparatus for transfer press100US 7,210,326 B2Komatsu Ltd. · 2007
- Apparatus for synchronizing advance of web and rotational speed of bucket or like method65US 4,165,666 APreston Engravers, Inc. · 1979
- Press control system59US 4,206,666 AJames Joseph Morrison Management Ltd. · 1980
- Malfunction detector59US 4,837,656 A1989