B21D 55/00
Safety devices protecting the machine or the operator, specially adapted for apparatus
Official title: Safety devices protecting the machine or the operator, specially adapted for apparatus or machines dealt with in this subclass (for presses in general B30B; safety devices in general F16P)
B21D55/00 (Safety devices protecting the machine or the operator, specially adapted for apparatus) appears on 155 US grants and 116 published applications in this corpus.
Search patents in B21D- Granted patents
- 155
- Published applications
- 116
- Assignees
- 91
- Inventors
- 277
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 7 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 1 | 2 |
| 2003 | 1 | 4 |
| 2004 | 5 | 3 |
| 2005 | 1 | 4 |
| 2006 | 4 | 4 |
| 2007 | 2 | 4 |
| 2008 | 5 | 2 |
| 2009 | 2 | 3 |
| 2010 | 1 | 5 |
| 2011 | 1 | 0 |
| 2012 | 4 | 2 |
| 2013 | 1 | 6 |
| 2014 | 4 | 4 |
| 2015 | 1 | 6 |
| 2016 | 4 | 2 |
| 2017 | 5 | 6 |
| 2018 | 4 | 8 |
| 2019 | 11 | 12 |
| 2020 | 3 | 8 |
| 2021 | 7 | 9 |
| 2022 | 7 | 6 |
| 2023 | 6 | 3 |
| 2024 | 7 | 6 |
| 2025 | 4 | 3 |
| 2026 | 6 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Bending machine and method for processing a workpiece by means of a bending machine6 Oct 2026US 12,752,333 B2EVOBEND GmbH
- Bending machine and method for operating a bending machine6 Oct 2026US 12,752,334 B2Fiessler Elektronik GmbH & Co. KG
- Electric precipitator for press mold and press mold using same8 Sep 2026US 12,728,425 B2Creative Technology Ltd
- Bending machine, in particular a press brake, with a safety system11 Aug 2026US 12,703,019 B2Bystronic Laser AG
- Systems and methods for monitoring obstructions in a conduit of a stamping environment26 May 2026US 12,636,693 B2Ford Motor Company
- Abutment mechanism operation control method, abutment mechanism operation control program, and abutment mechanism operation control device2 Apr 2026US 2026/0091422 A1Amada Company, Limited
- Method and system for gripping and moving objects19 Mar 2026US 2026/0077401 A1Salvagnini Italia S.p.A.
- Press with guard for irregular die shapes19 Feb 2026US 2026/0048432 A1Government of the United States as Represented by the Secretary of the Air Force
- Press machine and die condition monitoring method18 Dec 2025US 2025/0381748 A1Aida Engineering, Ltd.
- Protective device, bending machine and method for operating a bending machine24 Apr 2025US 2025/0128314 A1Fiessler Elektronik GmbH & Co. KG
Most cited
By later US patents