B21D 19/02
Flanging or other edge treatment: by continuously-acting tools moving along the edge
Official title: by continuously-acting tools moving along the edge (edge-curling B21D19/12)
B21D19/02 (Flanging or other edge treatment: by continuously-acting tools moving along the edge) appears on 188 US grants and 159 published applications in this corpus.
Search patents in B21D- Granted patents
- 188
- Published applications
- 159
- Assignees
- 138
- Inventors
- 401
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 6 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 4 |
| 2003 | 4 | 3 |
| 2004 | 4 | 5 |
| 2005 | 2 | 4 |
| 2006 | 3 | 2 |
| 2007 | 5 | 2 |
| 2008 | 2 | 6 |
| 2009 | 3 | 8 |
| 2010 | 3 | 7 |
| 2011 | 7 | 6 |
| 2012 | 5 | 7 |
| 2013 | 3 | 7 |
| 2014 | 7 | 6 |
| 2015 | 11 | 13 |
| 2016 | 8 | 12 |
| 2017 | 7 | 6 |
| 2018 | 5 | 6 |
| 2019 | 10 | 10 |
| 2020 | 9 | 10 |
| 2021 | 4 | 4 |
| 2022 | 8 | 7 |
| 2023 | 5 | 5 |
| 2024 | 7 | 9 |
| 2025 | 9 | 7 |
| 2026 | 5 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatus for mechanical beading machining and corresponding transfer machine comprising said apparatus23 Jun 2026US 12,661,702 B2GNUTTI TRANSFER S.p.A.
- Die set for forming a work having a pair of flange bending parts2 Jun 2026US 12,646,529 B2NHK Spring Co., Ltd.
- Processing method for forming a work having a pair of flange bending parts28 Apr 2026US 12,614,562 B2NHK Spring Co., Ltd.
- Electric pipe expander31 Mar 2026US 12,589,425 B2NAVAC Inc.
- Pocket flange forming device for duct3 Mar 2026US 12,564,872 B2Jinwoong Technology Co., Ltd.
- Method for producing an aerosol dome9 Jul 2026US 2026/0193017 A1Adval Tech Holding AG
- Flanging Tool19 Feb 2026US 2026/0048430 A1Bayerische Motoren Werke Aktiengesellschaft
- Flaring tool3 Jul 2025US 2025/0214129 A1Makita Corporation
- Die set for forming a work having a pair of flange bending parts15 May 2025US 2025/0157485 A1NHK Spring Co., Ltd.
- Processing method for forming a work having a pair of flange bending parts15 May 2025US 2025/0157486 A1NHK Spring Co., Ltd.
Most cited
By later US patents
- Edge curling tool120US 8,408,036 B2FFT EDAG Produktionssysteme GmbH & Co. KG · 2013
- Composite of sheet metal parts117US 8,631,996 B2FFT EDAG Produktionssysteme GmbH & Co. KG · 2014
- Isothermal metal forming apparatus89US 3,988,913 AInternational Harvester Company · 1976
- Process for obtaining a hermetic connection for rigid tube51US 5,131,145 AParker Hannifin RAK SA · 1992
- Flange reforming apparatus46US 6,055,836 ACrown Cork & Seal Technologies Corporation · 2000