B32B 2311/30
Iron
Official title: Iron, e.g. steel
B32B2311/30 (Iron) appears on 449 US grants and 479 published applications in this corpus.
Search patents in B32B- Granted patents
- 449
- Published applications
- 479
- Assignees
- 401
- Inventors
- 1,470
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 3 | 0 |
| 1978 | 6 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 5 | 0 |
| 1988 | 7 | 0 |
| 1989 | 7 | 0 |
| 1990 | 14 | 0 |
| 1991 | 12 | 0 |
| 1992 | 17 | 0 |
| 1993 | 9 | 0 |
| 1994 | 7 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 7 | 0 |
| 1998 | 7 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 10 | 2 |
| 2002 | 12 | 10 |
| 2003 | 10 | 13 |
| 2004 | 9 | 11 |
| 2005 | 9 | 8 |
| 2006 | 3 | 9 |
| 2007 | 5 | 8 |
| 2008 | 1 | 6 |
| 2009 | 3 | 7 |
| 2010 | 1 | 5 |
| 2011 | 6 | 3 |
| 2012 | 3 | 6 |
| 2013 | 1 | 6 |
| 2014 | 4 | 7 |
| 2015 | 5 | 17 |
| 2016 | 6 | 15 |
| 2017 | 7 | 21 |
| 2018 | 15 | 29 |
| 2019 | 15 | 37 |
| 2020 | 21 | 28 |
| 2021 | 23 | 42 |
| 2022 | 32 | 20 |
| 2023 | 25 | 38 |
| 2024 | 25 | 39 |
| 2025 | 26 | 26 |
| 2026 | 27 | 66 |
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.
- Cookware with copper bonded layer29 Sep 2026US 12,745,872 B2All-Clad Metalcrafters LLC
- Non-oriented electrical steel sheet22 Sep 2026US 12,741,446 B2Jfe Steel Corporation
- Film-laminated metal sheet and method of producing the same, substrate for flexible electronics, and organic EL substrate22 Sep 2026US 12,741,449 B2Jfe Steel Corporation
- Flat metal product and component based thereon15 Sep 2026US 12,734,569 B2ThyssenKrupp Steel Europe AG
- Polyester film, method for manufacturing polyester film, laminated metal sheet, method for manufacturing laminated metal sheet, and laminated metal container8 Oct 2026US 2026/0307364 A1Jfe Steel Corporation
- Non-magnetization modification source-containing paste, non-magnetization device, rotor core, and method for manufacturing the same1 Oct 2026US 2026/0295736 A1Honda Motor Co., Ltd.
- Multi-layer metal hybrid transaction card and process for manufacture17 Sep 2026US 2026/0273818 A1CompoSecure, LLC
- Additive manufacturing of multilayered structures17 Sep 2026US 2026/0273889 A1FMC Technologies, Inc.
- Vehicle structure17 Sep 2026US 2026/0274350 A1Honda Motor Co., Ltd.
Most cited
By later US patents
- Apparatus and method of making a reinforced plastic laminate structure and products resulting therefrom117US 4,788,088 A1988
- Brazing-filler material and method for brazing diamond107US 6,889,890 B2Hohoemi Brains, Inc. · 2005
- Amorphous metal laminate sheet102US 4,749,625 AHiraoka & Co., Ltd. · 1988
- Vacuum insulation panel92US 4,726,974 AUnion Carbide Corporation · 1988
- Fire protection means91US 4,251,579 ACiba-Geigy Corporation · 1981