B21D 47/04
Composite sheet metal profiles
Official title: composite sheet metal profiles
B21D47/04 (Composite sheet metal profiles) appears on 77 US grants and 83 published applications in this corpus.
Search patents in B21D- Granted patents
- 77
- Published applications
- 83
- Assignees
- 65
- Inventors
- 161
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 1 |
| 2004 | 2 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 1 | 4 |
| 2013 | 5 | 8 |
| 2014 | 3 | 8 |
| 2015 | 8 | 6 |
| 2016 | 5 | 4 |
| 2017 | 3 | 3 |
| 2018 | 4 | 6 |
| 2019 | 5 | 5 |
| 2020 | 4 | 5 |
| 2021 | 5 | 3 |
| 2022 | 2 | 6 |
| 2023 | 4 | 6 |
| 2024 | 2 | 1 |
| 2025 | 4 | 1 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of manufacturing molded product4 Nov 2025US 12,459,025 B1Futaba Industrial Co., Ltd.
- Mold, apparatus, and method for producing metal-resin composite21 Oct 2025US 12,447,700 B2Kobe Steel, Ltd.
- Techniques for forming composite sandwich structures25 Feb 2025US 12,233,471 B2ROLLS-ROYCE plc
- Long structural member and blank material11 Feb 2025US 12,221,161 B2Nippon Steel Corporation
- Apparatus, mold set, and method for producing metal-resin composite13 Aug 2024US 12,059,827 B2Kobe Steel, Ltd.
- Manufacturing method for a metallic part and associated metallic part1 Oct 2026US 2026/0295650 A1
- Method for manufacturing a multi-chamber profile and multi-chamber profile4 Jun 2026US 2026/0151815 A1
- Dual-strut channel and method of fabricating same16 Apr 2026US 2026/0104137 A1Capital Hardware Supply, LLC
- Method of manufacturing molded product6 Nov 2025US 2025/0339889 A1Futaba Industrial Co., Ltd.
- Extruded Aluminum Roof Truss Manufacturing System and Methods14 Mar 2024US 2024/0084596 A1Next New Concept, Inc.
Most cited
By later US patents
- Vehicle safety bar27US 4,599,843 ADobel AB · 1986
- Interengageable structural members27US 5,501,053 ATube Technology Pty. Ltd. · 1996
- Method of forming a tubular member with separate flange21US 5,431,326 AGeneral Motors Corporation · 1995
- Three dimensional metal structural assembly and production method20US 6,330,777 B1TCW Technologies Inc. · 2001
- Structural member and box beam employing same16US 3,999,354 AAlcan Aluminum Corporation · 1976