B32B 15/011
All layers being formed of iron alloys or steels
Official title: {all layers being formed of iron alloys or steels}
B32B15/011 (All layers being formed of iron alloys or steels) appears on 507 US grants and 621 published applications in this corpus.
Search patents in B32B- Granted patents
- 507
- Published applications
- 621
- Assignees
- 285
- Inventors
- 1,377
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 6 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 6 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 6 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 8 | 0 |
| 1995 | 6 | 0 |
| 1996 | 6 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 8 | 0 |
| 2002 | 5 | 0 |
| 2003 | 4 | 9 |
| 2004 | 3 | 5 |
| 2005 | 5 | 3 |
| 2006 | 1 | 4 |
| 2007 | 1 | 7 |
| 2008 | 1 | 9 |
| 2009 | 4 | 10 |
| 2010 | 3 | 11 |
| 2011 | 5 | 10 |
| 2012 | 14 | 18 |
| 2013 | 10 | 19 |
| 2014 | 12 | 26 |
| 2015 | 16 | 41 |
| 2016 | 16 | 28 |
| 2017 | 25 | 31 |
| 2018 | 25 | 35 |
| 2019 | 23 | 49 |
| 2020 | 39 | 48 |
| 2021 | 32 | 49 |
| 2022 | 35 | 46 |
| 2023 | 30 | 42 |
| 2024 | 36 | 46 |
| 2025 | 45 | 44 |
| 2026 | 25 | 31 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Stiffening structure and method for stiffening a sheet element6 Oct 2026US 12,752,509 B2Photon, Inc.
- Non-oriented electrical steel sheet22 Sep 2026US 12,741,446 B2Jfe Steel Corporation
- Steel sheet for hot press formed member22 Sep 2026US 12,741,447 B2Posco
- Bushingless track pin for a track type vehicle22 Sep 2026US 12,741,706 B2Caterpillar Inc.
- Laminated block correctness determining method18 Aug 2026US 12,711,607 B2Toyota Boshoku Kabushiki Kaisha
- Friction stir welded joint1 Oct 2026US 2026/0295715 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.
- Clad steel plate and manufacturing method therefor17 Sep 2026US 2026/0273899 A1Baoshan Iron & Steel Co., Ltd.
- Laminated wear component adapter for material handling implement17 Sep 2026US 2026/0275686 A1
- Iron core for transformer and transformer10 Sep 2026US 2026/0269110 A1Jfe Steel Corporation
Most cited
By later US patents
- Methods for fabricating gradient alloy articles with multi-functional properties153US 9,101,979 B2California Institute of Technology · 2015
- Fiber-containing diamond-impregnated cutting tools109US 7,695,542 B2Longyear TM, Inc. · 2010
- Method for bonding using laser induced heat and pressure79US 4,684,781 APhysical Sciences, Inc. · 1987
- Method of producing weld overlay of austenitic stainless steel70US 4,609,577 AArmco Inc. · 1986
- Reversible shape memory multifunctional structural designs and method of using and making the same53US 7,669,799 B2University of Virginia Patent Foundation · 2010