B21D 47/00
Making rigid structural elements or units
Official title: Making rigid structural elements or units, e.g. honeycomb structures
B21D47/00 (Making rigid structural elements or units) appears on 447 US grants and 438 published applications in this corpus.
Search patents in B21D- Granted patents
- 447
- Published applications
- 438
- Assignees
- 277
- Inventors
- 947
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 6 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 7 | 0 |
| 1985 | 7 | 0 |
| 1986 | 8 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 12 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 7 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 7 | 0 |
| 2001 | 5 | 2 |
| 2002 | 2 | 5 |
| 2003 | 7 | 7 |
| 2004 | 14 | 8 |
| 2005 | 6 | 11 |
| 2006 | 11 | 12 |
| 2007 | 2 | 12 |
| 2008 | 5 | 11 |
| 2009 | 2 | 11 |
| 2010 | 3 | 12 |
| 2011 | 8 | 10 |
| 2012 | 5 | 17 |
| 2013 | 19 | 25 |
| 2014 | 15 | 16 |
| 2015 | 21 | 27 |
| 2016 | 14 | 22 |
| 2017 | 21 | 45 |
| 2018 | 22 | 37 |
| 2019 | 26 | 36 |
| 2020 | 32 | 23 |
| 2021 | 28 | 19 |
| 2022 | 10 | 19 |
| 2023 | 16 | 16 |
| 2024 | 13 | 15 |
| 2025 | 18 | 10 |
| 2026 | 6 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Building profile as well as method and installations for manufacturing a building profile29 Sep 2026US 12,747,592 B2Bfc Fahrzeugteile GmbH
- Method for the production of an object28 Jul 2026US 12,691,490 B2Gimac International S.R.L.
- Method of manufacturing vehicle pillar and press forming die7 Jul 2026US 12,673,357 B2Topre Corporation
- Method for manufacturing press formed article and press forming device26 May 2026US 12,636,696 B2Jfe Steel Corporation
- Line for producing metal profiles for plasterboard false ceilings14 Apr 2026US 12,599,951 B2Dallan S.P.A.
- Manufacturing method for a metallic part and associated metallic part1 Oct 2026US 2026/0295650 A1
- Multi-chamber closed structural element and method of manufacturing a multi-chamber closed structural element10 Sep 2026US 2026/0266052 A1Zieta Prozessdesign SpóLka Z Ograniczona Odpowiedzialnoscia
- Vehicle body frame member and manufacturing method of the same2 Jul 2026US 2026/0184371 A1Toyota Jidosha Kabushiki Kaisha
- Method for manufacturing a multi-chamber profile and multi-chamber profile4 Jun 2026US 2026/0151815 A1
- Pre-tensioned battery shelf28 May 2026US 2026/0144369 A1Vertiv Corporation
Most cited
By later US patents
- Systems and methods for arc and node design and manufacture117US 10,173,255 B2Divergent Technologies, Inc. · 2019
- Efficient sub-structures117US 10,392,097 B2The Boeing Company · 2019
- Multi-directional and variably expanded sheet material surfaces84US 8,084,117 B22011
- Thick core sandwich structures and method of fabrication thereof70US 4,530,197 ARockwell International Corporation · 1985
- Laser welding of sandwich structures63US 4,603,089 ARockwell International Corporation · 1986