B32B 15/012
One layer being formed of an iron alloy or steel, another layer
Official title: {one layer being formed of an iron alloy or steel, another layer being formed of aluminium or an aluminium alloy}
B32B15/012 (One layer being formed of an iron alloy or steel, another layer) appears on 615 US grants and 887 published applications in this corpus.
Search patents in B32B- Granted patents
- 615
- Published applications
- 887
- Assignees
- 262
- Inventors
- 1,542
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 5 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 2 |
| 2002 | 3 | 7 |
| 2003 | 6 | 12 |
| 2004 | 10 | 13 |
| 2005 | 4 | 4 |
| 2006 | 9 | 5 |
| 2007 | 1 | 12 |
| 2008 | 2 | 8 |
| 2009 | 4 | 12 |
| 2010 | 2 | 11 |
| 2011 | 10 | 10 |
| 2012 | 7 | 17 |
| 2013 | 4 | 30 |
| 2014 | 10 | 17 |
| 2015 | 12 | 37 |
| 2016 | 18 | 44 |
| 2017 | 28 | 47 |
| 2018 | 34 | 48 |
| 2019 | 32 | 60 |
| 2020 | 52 | 70 |
| 2021 | 46 | 69 |
| 2022 | 56 | 69 |
| 2023 | 61 | 65 |
| 2024 | 52 | 65 |
| 2025 | 70 | 89 |
| 2026 | 43 | 64 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Metal composite structure and method for producing same6 Oct 2026US 12,752,514 B2Honda Motor Co., Ltd.
- Steel sheet for hot press formed member22 Sep 2026US 12,741,447 B2Posco
- Flat metal product and component based thereon15 Sep 2026US 12,734,569 B2ThyssenKrupp Steel Europe AG
- Method of producing ferritic stainless steel sheet8 Sep 2026US 12,728,624 B2Jfe Steel Corporation
- Corrosion resistant structure18 Aug 2026US 12,709,688 B2Industrial Technology Research Institute
- Vehicle structure17 Sep 2026US 2026/0274350 A1Honda Motor Co., Ltd.
- Hot stamping component and manufacturing method therefor27 Aug 2026US 2026/0249342 A1Hyundai Steel Company
- Press hardened steel part having high-strength and improved ductility27 Aug 2026US 2026/0250797 A1
- Coated steel, hot stamping parts formed therefrom, and hot stamping method20 Aug 2026US 2026/0241433 A1Magna International Inc.
- Aluminum-plated stainless steel sheet20 Aug 2026US 2026/0241668 A1Nippon Steel Corporation
Most cited
By later US patents
- Method for bonding using laser induced heat and pressure79US 4,684,781 APhysical Sciences, Inc. · 1987
- Method for making a copper core five-ply composite for cookware71US 6,267,830 B1Clad Metals LLC · 2001
- Ferrous product having an alloy coating thereon of Al-Zn-Mg-Si Alloy, and method46US 4,401,727 ABethlehem Steel Corporation · 1983
- Stick resistant coating for cookware38US 6,360,423 B1Clad Metals LLC · 2002
- Aluminum alloy valve lifter with sprayed coating and method of producing same36US 4,909,198 AToyota Jidosha Kabushiki Kaisha · 1990