B23D 33/00
Accessories for shearing machines or shearing devices
Official title: Accessories for shearing machines or shearing devices (feeding stock to machines or removing stock B21D43/00)
B23D33/00 (Accessories for shearing machines or shearing devices) appears on 410 US grants and 225 published applications in this corpus.
Search patents in B23D- Granted patents
- 410
- Published applications
- 225
- Assignees
- 272
- Inventors
- 734
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 11 | 0 |
| 1978 | 11 | 0 |
| 1979 | 2 | 0 |
| 1980 | 12 | 0 |
| 1981 | 13 | 0 |
| 1982 | 15 | 0 |
| 1983 | 10 | 0 |
| 1984 | 9 | 0 |
| 1985 | 13 | 0 |
| 1986 | 10 | 0 |
| 1987 | 8 | 0 |
| 1988 | 17 | 0 |
| 1989 | 13 | 0 |
| 1990 | 10 | 0 |
| 1991 | 16 | 0 |
| 1992 | 10 | 0 |
| 1993 | 8 | 0 |
| 1994 | 11 | 0 |
| 1995 | 9 | 0 |
| 1996 | 6 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 12 | 0 |
| 2000 | 9 | 0 |
| 2001 | 3 | 2 |
| 2002 | 4 | 4 |
| 2003 | 1 | 4 |
| 2004 | 6 | 7 |
| 2005 | 2 | 7 |
| 2006 | 5 | 7 |
| 2007 | 5 | 7 |
| 2008 | 4 | 6 |
| 2009 | 3 | 9 |
| 2010 | 2 | 7 |
| 2011 | 6 | 3 |
| 2012 | 4 | 7 |
| 2013 | 2 | 8 |
| 2014 | 6 | 4 |
| 2015 | 1 | 6 |
| 2016 | 4 | 11 |
| 2017 | 3 | 10 |
| 2018 | 12 | 14 |
| 2019 | 11 | 17 |
| 2020 | 18 | 19 |
| 2021 | 10 | 16 |
| 2022 | 16 | 8 |
| 2023 | 11 | 9 |
| 2024 | 6 | 16 |
| 2025 | 9 | 10 |
| 2026 | 5 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B23D 33/02Arrangements for holding, guiding, and/or feeding work during the operation192
- B23D 33/10Stops for positioning work74
- B23D 33/08Press-pads63
- B23D 33/006Accessories for shearing machines or shearing devices: for obtaining pieces of a38
- B23D 33/12Equipment for indicating where to cut22
- B23D 33/003Accessories for shearing machines or shearing devices: for obtaining pieces of a6
Recent patents
- Sheet cutting device and sheet cutting method25 Jun 2026US 2026/0175304 A1Komatsu Ntc Ltd.
- Workpiece locator and crimping tool, pressing tool, or stripping tool18 Jun 2026US 2026/0171741 A1WEZAG GmbH & Co. KG
- Cut-to-size modular motorized window treatment system11 Jun 2026US 2026/0158691 A1Klondike59, Inc.
- Cutting and scrap ejector system for panel21 May 2026US 2026/0138198 A1Ford Global Technologies, LLC
- Electrode plate cutting machine for secondary battery and secondary battery manufacturing apparatus having electrode plate cutting machine7 May 2026US 2026/0128349 A1Samsung SDI.Co., Ltd.
Most cited
By later US patents
- Miter saw alignment system165US 5,285,708 APorter-Cable Corporation · 1994
- Optical alignment system for circular power saws78US 5,375,495 APorter-Cable Corporation · 1994
- Laser assembly for marking a line on a workpiece for guiding a cutting tool65US 5,446,635 AQuarton, Inc. · 1995
- Cut line indicator for power cutting material62US 5,996,460 A1999
- Roller feed type insulated wire cutting and insulation stripping machine50US 4,275,619 AShin Meiwa Industry Co., Ltd. · 1981