B21D 43/11
For feeding sheet or strip material
Official title: for feeding sheet or strip material
B21D43/11 (For feeding sheet or strip material) appears on 127 US grants and 69 published applications in this corpus.
Search patents in B21D- Granted patents
- 127
- Published applications
- 69
- Assignees
- 85
- Inventors
- 192
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 7 | 0 |
| 1982 | 8 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 3 |
| 2006 | 1 | 1 |
| 2007 | 3 | 2 |
| 2008 | 1 | 4 |
| 2009 | 1 | 3 |
| 2010 | 0 | 4 |
| 2011 | 4 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 5 |
| 2014 | 4 | 1 |
| 2015 | 2 | 5 |
| 2016 | 3 | 1 |
| 2017 | 2 | 0 |
| 2018 | 2 | 2 |
| 2019 | 2 | 2 |
| 2020 | 2 | 8 |
| 2021 | 2 | 5 |
| 2022 | 5 | 1 |
| 2023 | 4 | 9 |
| 2024 | 6 | 6 |
| 2025 | 2 | 3 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fully automated sheet metal bending cell2 Jun 2026US 12,643,137 B2Concept & Forme Developpements SA
- Workpiece manipulation device for a swivel bending machine10 Feb 2026US 12,544,817 B2TRUMPF Maschinen Austria GmbH & Co. KG.
- Readjustment device and readjustment method for a plate-like workpiece in a processing machine2 Dec 2025US 12,485,468 B2TRUMPF Werkzeugmaschinen GmbH + Co. KG
- Method of manufacturing press-formed product, and tray and hot-press manufacturing line used for manufacturing press-formed product2 Sep 2025US 12,403,524 B2Nippon Steel Corporation
- Workpiece transport unit, hot pressing equipment, workpiece transport method, and hot pressing method5 Nov 2024US 12,134,118 B2Nippon Steel Corporation
- Automated sphere plate pressing method16 Jul 2026US 2026/0199948 A1CB&I STS Delaware LLC
- Equipment for handling sheet materials11 Dec 2025US 2025/0376339 A1Bednar Robotics S.R.O.
- Suction cup gripping system23 Oct 2025US 2025/0326022 A1Salvagnini Italia S.p.A.
- Swivel bending machine31 Jul 2025US 2025/0242399 A1TRUMPF Maschinen Austria GmbH & Co. KG.
- Flanged and tapered pin for method to automate part loading and unloading24 Oct 2024US 2024/0351089 A1The Boeing Company
Most cited
By later US patents
- Machine for bending the edges of rectangular sheets of metal25US 4,242,898 ASalvagnini Transferica S.p.A. · 1981
- High speed stock feeder for punch presses and the like22US 4,051,987 A1977
- Punching machine and method thereof16US 6,145,424 AAmada Company, Limited · 2000
- Stock feed apparatus for forging machines and the like14US 4,942,796 AThe National Machinery Company · 1990
- Gripping feeder for strip or wire stock13US 4,552,294 AR W M-Raster-Werkzeugmaschinen GmbH · 1985