B21D 22/22
With devices for holding the edge of the blanks
Official title: with devices for holding the edge of the blanks (B21D22/24 - B21D22/30 take precedence; shaping over a die without external former B21D11/02)
B21D22/22 (With devices for holding the edge of the blanks) appears on 305 US grants and 304 published applications in this corpus.
Search patents in B21D- Granted patents
- 305
- Published applications
- 304
- Assignees
- 171
- Inventors
- 653
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 6 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 3 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 10 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 0 |
| 2002 | 3 | 1 |
| 2003 | 2 | 1 |
| 2004 | 2 | 1 |
| 2005 | 0 | 2 |
| 2006 | 2 | 3 |
| 2007 | 0 | 2 |
| 2008 | 5 | 5 |
| 2009 | 1 | 11 |
| 2010 | 4 | 10 |
| 2011 | 7 | 9 |
| 2012 | 6 | 16 |
| 2013 | 6 | 9 |
| 2014 | 7 | 13 |
| 2015 | 11 | 22 |
| 2016 | 16 | 9 |
| 2017 | 16 | 19 |
| 2018 | 12 | 19 |
| 2019 | 18 | 22 |
| 2020 | 11 | 17 |
| 2021 | 22 | 20 |
| 2022 | 16 | 23 |
| 2023 | 19 | 26 |
| 2024 | 19 | 18 |
| 2025 | 14 | 15 |
| 2026 | 6 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method of manufacturing vehicle pillar and press forming die7 Jul 2026US 12,673,357 B2Topre Corporation
- Method for prevention of premature edge fracture at draw bead14 Apr 2026US 12,599,950 B2Cleveland-Cliffs Steel Properties Inc.
- Method for forming and heat treating near net shape complex structures from sheet metal14 Apr 2026US 12,599,953 B2Spirit AeroSystems, Inc.
- Pouch-shaped battery case shaping apparatus including volatile lubricant supply unit and method using the same17 Feb 2026US 12,555,815 B2LG Energy Solution, Ltd.
- Stamping tool with a sub pad within a forming steel and method of forming a panel from a sheet metal workpiece10 Feb 2026US 12,544,818 B2Ford Motor Company
- Production method for press formed product6 Aug 2026US 2026/0225144 A1Nippon Steel Corporation
- Forming Apparatus and Forming Method6 Aug 2026US 2026/0225291 A1LG Energy Solution, Ltd.
- Structural member and method for producing the same23 Jul 2026US 2026/0208251 A1Nippon Steel Corporation
- Pouch-Shaped Battery Case Shaping Apparatus, Pouch-Shaped Battery Case Manufactured Using the Same, and Method of Shaping Cup Portion of Pouch-Shaped Battery Case Using the Pouch-Shaped Battery Case Shaping Apparatus18 Jun 2026US 2026/0171557 A1LG Energy Solution, Ltd.
- Laminate film manufacturing method11 Jun 2026US 2026/0158733 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Method of forming a metal container body70US 5,487,295 AAluminum Company of America · 1996
- Method of forming a metal container body55US 5,394,727 AAluminum Company of America · 1995
- Method and apparatus for drawing sheet metal can stock45US 5,014,536 AWeirton Steel Corporation · 1991
- Method of redrawing metal cup43US 5,105,645 AToyo Seikan Kaisha, Ltd. · 1992
- Method and apparatus for forming cup-shaped members43US 5,626,048 ACan Industry Products, Inc. · 1997