B21D 19/00
Flanging or other edge treatment
Official title: Flanging or other edge treatment, e.g. of tubes (connecting by making use of folds B21D39/00; flaring-out tube ends B21D41/02)
B21D19/00 (Flanging or other edge treatment) appears on 698 US grants and 684 published applications in this corpus.
Search patents in B21D- Granted patents
- 698
- Published applications
- 684
- Assignees
- 460
- Inventors
- 1,427
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 9 | 0 |
| 1978 | 11 | 0 |
| 1979 | 5 | 0 |
| 1980 | 7 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 6 | 0 |
| 1984 | 6 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 7 | 0 |
| 1990 | 5 | 0 |
| 1991 | 8 | 0 |
| 1992 | 8 | 0 |
| 1993 | 5 | 0 |
| 1994 | 6 | 0 |
| 1995 | 11 | 0 |
| 1996 | 10 | 0 |
| 1997 | 13 | 0 |
| 1998 | 17 | 0 |
| 1999 | 7 | 0 |
| 2000 | 10 | 0 |
| 2001 | 8 | 3 |
| 2002 | 14 | 16 |
| 2003 | 10 | 13 |
| 2004 | 13 | 17 |
| 2005 | 8 | 8 |
| 2006 | 7 | 8 |
| 2007 | 12 | 18 |
| 2008 | 8 | 26 |
| 2009 | 11 | 24 |
| 2010 | 13 | 27 |
| 2011 | 19 | 21 |
| 2012 | 15 | 27 |
| 2013 | 14 | 20 |
| 2014 | 19 | 30 |
| 2015 | 32 | 53 |
| 2016 | 20 | 33 |
| 2017 | 30 | 40 |
| 2018 | 33 | 40 |
| 2019 | 39 | 44 |
| 2020 | 28 | 40 |
| 2021 | 26 | 22 |
| 2022 | 35 | 35 |
| 2023 | 31 | 36 |
| 2024 | 27 | 32 |
| 2025 | 28 | 34 |
| 2026 | 18 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and method for forming a full engagement male lock in a ductline29 Sep 2026US 12,747,810 B2Mestek Machinery, Inc.
- Method for production of a steel tubular product, in particular an airbag tubular product, and a steel tubular product produced using this method, in particular an airbag tubular product11 Aug 2026US 12,703,021 B2Benteler Steel/Tube GmbH
- Metallic overcap with latches11 Aug 2026US 12,703,545 B2Modulo Embalagens Industria E Comercio Ltda
- Forming device and forming method4 Aug 2026US 12,697,652 B2Sumitomo Heavy Industries, Ltd.
- Burring structural member7 Jul 2026US 12,673,355 B2Nippon Steel Corporation
- Hot-stamped product and method of producing the same27 Aug 2026US 2026/0249343 A1Nippon Steel Corporation
- Method of manufacturing press-formed product20 Aug 2026US 2026/0241431 A1Futaba Industrial Co., Ltd.
- Forming method for battery housing structure20 Aug 2026US 2026/0246029 A1Jiangsu RDF Precision Technology Co., Ltd.
- Method for producing press-formed product, press apparatus, press-formed product, structural component for automobile, and automobile6 Aug 2026US 2026/0225142 A1Nippon Steel Corporation
- Production method for press formed product6 Aug 2026US 2026/0225144 A1Nippon Steel Corporation
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
- Method of forming a tubular member with flange72US 5,070,717 AGeneral Motors Corporation · 1991
- Process for obtaining a hermetic connection for rigid tube51US 5,131,145 AParker Hannifin RAK SA · 1992