B21D 19/12
Edge-curling
B21D19/12 (Edge-curling) appears on 75 US grants and 86 published applications in this corpus.
Search patents in B21D- Granted patents
- 75
- Published applications
- 86
- Assignees
- 80
- Inventors
- 192
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 3 |
| 2008 | 2 | 11 |
| 2009 | 3 | 4 |
| 2010 | 3 | 4 |
| 2011 | 8 | 5 |
| 2012 | 3 | 2 |
| 2013 | 2 | 3 |
| 2014 | 3 | 5 |
| 2015 | 4 | 6 |
| 2016 | 2 | 1 |
| 2017 | 3 | 10 |
| 2018 | 3 | 5 |
| 2019 | 5 | 8 |
| 2020 | 4 | 5 |
| 2021 | 7 | 1 |
| 2022 | 3 | 4 |
| 2023 | 2 | 1 |
| 2024 | 4 | 1 |
| 2025 | 0 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Metallic overcap with latches11 Aug 2026US 12,703,545 B2Modulo Embalagens Industria E Comercio Ltda
- Press-forming method, blank member for sheet-shaped material, intermediate formed product, method for manufacturing press-formed product, and press-formed product15 Oct 2024US 12,115,571 B2Jfe Steel Corporation
- Method of manufacturing connection member9 Apr 2024US 11,951,521 B2Aisin Takaoka Co., Ltd.
- Method and apparatus for producing a rolled curl on an open end of metal container20 Feb 2024US 11,905,065 B2Exal Corporation
- Tube end member, flange tube, band joint structure for flange tube, and method for manufacturing tube end member13 Feb 2024US 11,898,670 B2Sankei Giken Kogyo Co., Ltd.
- Method of rounding metal edge and eliminating taping at fatp26 Mar 2026US 2026/0084198 A1Meta Platforms Technologies, LLC
- Method for manufacturing an operating beam of a vehicle sunshade assembly30 Oct 2025US 2025/0332895 A1
- Device and method for beading a tube end11 Sep 2025US 2025/0281960 A1Harro Höfliger Verpackungsmaschinen GmbH
- Three layered bubble sheet cooling plate1 May 2025US 2025/0135523 A1GM Global Technology Operations LLC
- Device and method for manufacturing battery cell5 Sep 2024US 2024/0297380 A1Contemporary Amperex Technology Co., Limited
Most cited
By later US patents
- Formation of a curl in a unitary closable container22US 7,942,028 B2Stolle Machinery Company, LLC · 2011
- Process and apparatus for forming an outwardly curled lip on cylindrical container body17US 5,431,619 ASonoco Products Company · 1995
- Metal members and assemblies that have reinforced punched holes and method of forming the holes13US 8,545,157 B2Ford Global Technologies, LLC · 2013
- Tab with coin precurl for improved curl formation11US 7,614,520 B2Stolle Machinery Company, LLC · 2009
- Side access cleat former apparatus and method of use10US 4,185,487 AEngel Industries, Inc. · 1980