B21D 43/04
By means in mechanical engagement with the work
Official title: by means in mechanical engagement with the work
B21D43/04 (By means in mechanical engagement with the work) appears on 1,120 US grants and 567 published applications in this corpus.
Search patents in B21D- Granted patents
- 1,120
- Published applications
- 567
- Assignees
- 482
- Inventors
- 1,635
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 32 | 0 |
| 1977 | 23 | 0 |
| 1978 | 15 | 0 |
| 1979 | 14 | 0 |
| 1980 | 11 | 0 |
| 1981 | 19 | 0 |
| 1982 | 18 | 0 |
| 1983 | 24 | 0 |
| 1984 | 27 | 0 |
| 1985 | 32 | 0 |
| 1986 | 28 | 0 |
| 1987 | 41 | 0 |
| 1988 | 25 | 0 |
| 1989 | 34 | 0 |
| 1990 | 30 | 0 |
| 1991 | 44 | 0 |
| 1992 | 28 | 0 |
| 1993 | 22 | 0 |
| 1994 | 25 | 0 |
| 1995 | 16 | 0 |
| 1996 | 27 | 0 |
| 1997 | 25 | 0 |
| 1998 | 32 | 0 |
| 1999 | 39 | 0 |
| 2000 | 20 | 0 |
| 2001 | 28 | 4 |
| 2002 | 13 | 18 |
| 2003 | 8 | 11 |
| 2004 | 20 | 18 |
| 2005 | 6 | 17 |
| 2006 | 14 | 11 |
| 2007 | 17 | 18 |
| 2008 | 8 | 29 |
| 2009 | 8 | 15 |
| 2010 | 18 | 20 |
| 2011 | 15 | 5 |
| 2012 | 12 | 15 |
| 2013 | 7 | 17 |
| 2014 | 18 | 21 |
| 2015 | 14 | 28 |
| 2016 | 21 | 19 |
| 2017 | 21 | 24 |
| 2018 | 17 | 32 |
| 2019 | 30 | 35 |
| 2020 | 25 | 40 |
| 2021 | 23 | 35 |
| 2022 | 29 | 21 |
| 2023 | 25 | 42 |
| 2024 | 30 | 35 |
| 2025 | 24 | 16 |
| 2026 | 18 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Workpiece transfer method, workpiece transfer device, and workpiece transfer program6 Oct 2026US 12,752,331 B2Kawasaki Jukogyo Kabushiki Kaisha
- 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
- Method and system for quickly and efficiently transferring a workpiece from a first station to a second station54US 5,423,648 AFANUC Robotics North America, Inc. · 1995
- Press machine53US 4,648,786 AKabushiki Kaisha Komatsu Seisakusho · 1987
- Method and apparatus for multi-step workpiece manufacturing51US 4,987,765 AHashimoto Forming Industry Co., Ltd. · 1991