B21D 43/24
Devices for removing sheets from a stack
B21D43/24 (Devices for removing sheets from a stack) appears on 70 US grants and 53 published applications in this corpus.
Search patents in B21D- Granted patents
- 70
- Published applications
- 53
- Assignees
- 56
- Inventors
- 154
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 2 | 2 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 1 | 4 |
| 2016 | 1 | 0 |
| 2017 | 2 | 3 |
| 2018 | 2 | 5 |
| 2019 | 4 | 5 |
| 2020 | 4 | 6 |
| 2021 | 0 | 4 |
| 2022 | 4 | 5 |
| 2023 | 4 | 5 |
| 2024 | 4 | 4 |
| 2025 | 4 | 3 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Workpiece conveying wheeled platform and working system14 Apr 2026US 12,600,000 B2Amada Company, Limited
- Palletizing system and external appearance inspection apparatus10 Mar 2026US 12,570,000 B2G-Tekt Corporation
- Magnetic coupling device11 Nov 2025US 12,466,015 B2Magswitch Automation Company
- Magnetic chuck23 Sep 2025US 12,420,382 B2SMC Corporation
- Method and device for automatic formation of bundles of metal laminations20 May 2025US 12,308,710 B2
- Magnetic coupling device25 Jun 2026US 2026/0175337 A1Magswitch Automation Company
- Method for operating a mechanical production plant, and mechanical production plant4 Jun 2026US 2026/0151867 A1
- Workpiece supply system, workpiece supply method, and workpiece supply program4 Dec 2025US 2025/0368457 A1Amada Company, Limited
- Automated Raw Stock Sheet Alignment4 Sep 2025US 2025/0276865 A1Textron Aviation Inc.
- Mechanical method and mechanical separating device for separating plastically deformable plate-like workpieces of a workpiece stack, and mechanical feeding device and mechanical assembly for workpiece machining23 Jan 2025US 2025/0025917 A1TRUMPF Sachsen GmbH
Most cited
By later US patents
- Robotic manipulator having a gripping tool assembly42US 6,345,818 B1FANUC Robotics North America, Inc. · 2002
- Apparatus for the unstacking and transportation of blanks21US 4,067,458 AL. Schuler GmbH · 1978
- Apparatus for moving individual sheets from a stack of sheets21US 4,971,515 ARoberts Corporation · 1990
- Method and apparatus for moving individual sheets from a stack of sheets20US 4,804,173 ARoberts Corporation · 1989
- Method of working sheet material workpieces by a sheet material working machine tool18US 4,709,605 AStrippit/Di-Acro-Houdaille, Inc. · 1987