B21D 43/22
Devices for piling sheets
B21D43/22 (Devices for piling sheets) appears on 76 US grants and 63 published applications in this corpus.
Search patents in B21D- Granted patents
- 76
- Published applications
- 63
- Assignees
- 58
- Inventors
- 161
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 3 |
| 2003 | 3 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 3 |
| 2014 | 1 | 1 |
| 2015 | 3 | 5 |
| 2016 | 1 | 1 |
| 2017 | 3 | 4 |
| 2018 | 4 | 5 |
| 2019 | 4 | 10 |
| 2020 | 3 | 5 |
| 2021 | 5 | 3 |
| 2022 | 4 | 2 |
| 2023 | 3 | 3 |
| 2024 | 3 | 4 |
| 2025 | 3 | 5 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for determining the thickness of a material strip during the feed of the material strip to the machining zone of a machine tool10 Mar 2026US 12,569,904 B2Bruderer AG
- Palletizing system and external appearance inspection apparatus10 Mar 2026US 12,570,000 B2G-Tekt Corporation
- Fin assembling method24 Feb 2026US 12,560,391 B2Daikin Industries, Ltd.
- Method for operating a servo motor driven turning station of a stacking tool for a punch press21 Oct 2025US 12,447,522 B2Bruderer AG
- Blanking mold, blanking and stacking apparatus, and blanking method26 Aug 2025US 12,397,338 B2G-Tekt Corporation
- Apparatus for collecting bulk layered packs for electrical use3 Sep 2026US 2026/0257265 A1Corrada S.p.A.
- Fin assembling method7 May 2026US 2026/0126250 A1Daikin Industries, Ltd.
- Laminated core, more particularly for a stator of an electric machine, and method for producing said laminated core1 Jan 2026US 2026/0005554 A1voestalpine Stahl GmbH
- Blanking mold, blanking and stacking apparatus, and blanking method24 Jul 2025US 2025/0235919 A1G-Tekt Corporation
- Method for connecting sheet metal parts to form lamination stacks, and device for carrying out the method29 May 2025US 2025/0170814 A1voestalpine Automotive Components Dettingen GmbH & Co. KG
Most cited
By later US patents
- Aligning and stacking arrangement18US 4,162,734 AL. Schuler GmbH · 1979
- Conveyor apparatus for the transport of sheet metal blanks16US 4,967,898 AFael S.A. · 1990
- Apparatus for cutting strip material into lengths and for stacking the cut lengths of strip material14US 4,036,087 AL. Schuler GmbH · 1977
- System for sending-off press-formed parts13US 4,941,793 AHonda Giken Kogyo Kabushiki Kaisha · 1990
- Aligning and stacking arrangement11US 4,108,031 AL. Schuler GmbH · 1978