B21D 28/00
Shaping by press-cutting
Official title: Shaping by press-cutting; Perforating
B21D28/00 (Shaping by press-cutting) appears on 2,182 US grants and 1,796 published applications in this corpus.
Search patents in B21D- Granted patents
- 2,182
- Published applications
- 1,796
- Assignees
- 1,077
- Inventors
- 3,824
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 51 | 0 |
| 1977 | 34 | 0 |
| 1978 | 33 | 0 |
| 1979 | 25 | 0 |
| 1980 | 27 | 0 |
| 1981 | 27 | 0 |
| 1982 | 22 | 0 |
| 1983 | 21 | 0 |
| 1984 | 26 | 0 |
| 1985 | 31 | 0 |
| 1986 | 32 | 0 |
| 1987 | 32 | 0 |
| 1988 | 26 | 0 |
| 1989 | 23 | 0 |
| 1990 | 35 | 0 |
| 1991 | 46 | 0 |
| 1992 | 31 | 0 |
| 1993 | 40 | 0 |
| 1994 | 43 | 0 |
| 1995 | 36 | 0 |
| 1996 | 29 | 0 |
| 1997 | 41 | 0 |
| 1998 | 45 | 0 |
| 1999 | 54 | 0 |
| 2000 | 44 | 0 |
| 2001 | 46 | 12 |
| 2002 | 36 | 40 |
| 2003 | 35 | 29 |
| 2004 | 33 | 47 |
| 2005 | 20 | 43 |
| 2006 | 49 | 53 |
| 2007 | 29 | 45 |
| 2008 | 32 | 60 |
| 2009 | 23 | 70 |
| 2010 | 29 | 49 |
| 2011 | 26 | 54 |
| 2012 | 48 | 62 |
| 2013 | 38 | 59 |
| 2014 | 42 | 52 |
| 2015 | 54 | 96 |
| 2016 | 55 | 76 |
| 2017 | 73 | 107 |
| 2018 | 60 | 95 |
| 2019 | 92 | 114 |
| 2020 | 85 | 114 |
| 2021 | 96 | 92 |
| 2022 | 85 | 83 |
| 2023 | 70 | 83 |
| 2024 | 82 | 92 |
| 2025 | 60 | 95 |
| 2026 | 30 | 74 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Floating cutter unit and trimming press processing device29 Sep 2026US 12,746,591 B2Oiles Corporation
- Press-formed product, rolling bearing, vehicle, machine, press-formed product manufacturing method, rolling bearing manufacturing method, vehicle manufacturing method, and machine manufacturing method15 Sep 2026US 12,734,574 B2Nsk Ltd.
- Method for producing a motor vehicle component by hot-forming with integrated cut8 Sep 2026US 12,728,453 B2Benteler Automobiltechnik GmbH
- Method and device for perforating a pipe wall25 Aug 2026US 12,715,029 B2T-Drill Oy
- System for accurately punching holes in a profile and its method18 Aug 2026US 12,708,936 B2Soenen Technology NV
- Electrode shearing apparatus8 Oct 2026US 2026/0307132 A1Samsung SDI.Co., Ltd.
- Method and device for producing a stator body of an axial flux machine, and axial flux machine1 Oct 2026US 2026/0302901 A1Schaeffler Technologies AG & Co. KG
- Process for manufacturing vehicle parts24 Sep 2026US 2026/0284733 A1
- Press forming apparatus and production method of press formed product17 Sep 2026US 2026/0273607 A1Nippon Steel Corporation
- Metal member, battery, method for manufacturing same, and die set10 Sep 2026US 2026/0264130 A1Nippon Steel Corporation
Most cited
By later US patents
- Method for manufacturing long, slender lamina stack from nonuniform laminae118US 6,163,949 AL. H. Carbide Corporation · 2000
- Piercing apparatus104US 4,038,894 ASpringfield Tool & Die, Inc. · 1977
- Techniques for designing and manufacturing precision-folded, high strength, fatigue-resistant structures and sheet therefor61US 7,032,426 B2Industrial Origami, Inc. · 2006
- Techniques for designing and manufacturing precision-folded, high strength, fatigue-resistant structures and sheet therefor60US 7,152,449 B2Industrial Origami, Inc. · 2006
- Quick change adjustable punch tool assembly and method of adjustment54US 6,047,621 AElba Electronetics, Inc. · 2000