B21D 39/021
For panels
Official title: {for panels, e.g. vehicle doors}
B21D39/021 (For panels) appears on 302 US grants and 269 published applications in this corpus.
Search patents in B21D- Granted patents
- 302
- Published applications
- 269
- Assignees
- 153
- Inventors
- 569
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 7 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 10 | 0 |
| 1999 | 4 | 0 |
| 2000 | 14 | 0 |
| 2001 | 11 | 3 |
| 2002 | 15 | 11 |
| 2003 | 12 | 7 |
| 2004 | 10 | 10 |
| 2005 | 6 | 14 |
| 2006 | 11 | 20 |
| 2007 | 9 | 9 |
| 2008 | 6 | 22 |
| 2009 | 7 | 15 |
| 2010 | 9 | 8 |
| 2011 | 16 | 10 |
| 2012 | 10 | 11 |
| 2013 | 4 | 12 |
| 2014 | 11 | 8 |
| 2015 | 8 | 13 |
| 2016 | 14 | 12 |
| 2017 | 15 | 14 |
| 2018 | 12 | 8 |
| 2019 | 3 | 11 |
| 2020 | 8 | 12 |
| 2021 | 6 | 5 |
| 2022 | 9 | 8 |
| 2023 | 7 | 2 |
| 2024 | 5 | 8 |
| 2025 | 6 | 10 |
| 2026 | 3 | 6 |
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.
- System and method for forming a full engagement male lock in a ductline3 Mar 2026US 12,565,947 B2Mestek Machinery, Inc.
- Fold forming tool, fold forming device, method for producing a folded/bonded connection, and vehicle with folded/bonded connection10 Feb 2026US 12,544,822 B2Bayerische Motoren Werke Aktiengesellschaft
- Hemming apparatus30 Dec 2025US 12,508,641 B1Fca US LLC
- Manufacturing method and accuracy management method9 Dec 2025US 12,491,555 B2Honda Motor Co., Ltd.
- Vehicle door aperture assembly27 Aug 2026US 2026/0249920 A1
- Aluminum blanks with reinforcement patches6 Aug 2026US 2026/0225143 A1Magna International Inc.
- Method for Producing an Assembly for a Motor Vehicle and Assembly25 Jun 2026US 2026/0175932 A1Bayerische Motoren Werke Aktiengesellschaft
- Adjustable axial head flanger assembly26 Mar 2026US 2026/0084201 A1Stolle Machinery Company, LLC
- Method for hemming edges of components26 Feb 2026US 2026/0054305 A1
Most cited
By later US patents
- Flanging device and flanging method with component protection129US 7,500,373 B2EDAG GmbH & Co. KGaA · 2009
- Roller folding head122US 7,152,292 B2EDAG Engineering & Design AG · 2006
- Flanging with a leading and following flanging die122US 7,637,134 B2EDAG GmbH & Co. KGaA · 2009
- Edge curling tool120US 8,408,036 B2FFT EDAG Produktionssysteme GmbH & Co. KG · 2013
- Sheet-metal composite, method for joining sheets and joining device120US 9,006,605 B2Fft Produktionssysteme GmbH & Co. KG · 2015