B23D 19/04
Shearing machines or shearing devices cutting by rotary discs: having rotary shearing
Official title: having rotary shearing discs arranged in co-operating pairs
B23D19/04 (Shearing machines or shearing devices cutting by rotary discs: having rotary shearing) appears on 128 US grants and 67 published applications in this corpus.
Search patents in B23D- Granted patents
- 128
- Published applications
- 67
- Assignees
- 92
- Inventors
- 243
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 8 | 0 |
| 1981 | 9 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 6 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 5 |
| 2003 | 2 | 5 |
| 2004 | 4 | 0 |
| 2005 | 1 | 4 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 1 | 6 |
| 2011 | 1 | 2 |
| 2012 | 3 | 2 |
| 2013 | 0 | 4 |
| 2014 | 1 | 2 |
| 2015 | 0 | 0 |
| 2016 | 3 | 4 |
| 2017 | 1 | 2 |
| 2018 | 0 | 6 |
| 2019 | 4 | 2 |
| 2020 | 3 | 0 |
| 2021 | 3 | 5 |
| 2022 | 2 | 3 |
| 2023 | 2 | 3 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Grating separation method and system for separating grating11 Aug 2026US 12,703,032 B2Nucor Corporation
- Throatless power rotary shears20 Jan 2026US 12,528,216 B2Tonyazzopardi Holdings, LLC
- Slitter14 Oct 2025US 12,440,906 B2LG Energy Solution, Ltd.
- Bidirectional sheet metal cutting tool29 Oct 2024US 12,128,487 B2
- Rotary serrator knife16 May 2023US 11,648,614 B2Ikg USA, LLC
- Steel sheet production method, trimming device, production apparatus, rolled steel sheet, coiled material, and blank material3 Sep 2026US 2026/0257287 A1Jfe Steel Corporation
- Guard rail beam27 Aug 2026US 2026/0250919 A1Nippon Steel Corporation
- Side trimming method23 Jul 2026US 2026/0208249 A1
- Throatless power rotary shears21 May 2026US 2026/0138298 A1Tonyazzopardi Holdings, LLC
- Device for cutting electrode foils5 Mar 2026US 2026/0061653 A1VARTA Microbattery GmbH
Most cited
By later US patents
- Method and apparatus for manufacturing a laminated shingle41US 4,233,100 AJohns Manville · 1980
- Trimming strip material35US 4,358,978 AThe Head Wrightson Machine Co. Ltd. · 1982
- Combined portable sheet bending brake and cutter24US 5,582,053 ATapco International Corporation · 1996
- Rotary shear23US 4,061,063 AThe Procter & Gamble Company · 1977
- Workpiece-deforming tool and die for use in a punch press23US 5,555,759 AWilson Tool International Inc. · 1996