B32B 15/01
All layers being exclusively metallic
Official title: all layers being exclusively metallic {(making layered metal workpieces by pressure cladding B23K20/22; making coatings with a metallic material characterised by its composition C23C30/00)}
B32B15/01 (All layers being exclusively metallic) appears on 4,117 US grants and 5,288 published applications in this corpus.
Search patents in B32B- Granted patents
- 4,117
- Published applications
- 5,288
- Assignees
- 1,669
- Inventors
- 9,647
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 9 | 0 |
| 1978 | 8 | 0 |
| 1979 | 4 | 0 |
| 1980 | 12 | 0 |
| 1981 | 8 | 0 |
| 1982 | 15 | 0 |
| 1983 | 11 | 0 |
| 1984 | 25 | 0 |
| 1985 | 24 | 0 |
| 1986 | 17 | 0 |
| 1987 | 25 | 0 |
| 1988 | 18 | 0 |
| 1989 | 33 | 0 |
| 1990 | 32 | 0 |
| 1991 | 36 | 0 |
| 1992 | 27 | 0 |
| 1993 | 20 | 0 |
| 1994 | 33 | 0 |
| 1995 | 30 | 0 |
| 1996 | 27 | 0 |
| 1997 | 13 | 0 |
| 1998 | 20 | 0 |
| 1999 | 32 | 0 |
| 2000 | 39 | 0 |
| 2001 | 59 | 22 |
| 2002 | 74 | 76 |
| 2003 | 69 | 89 |
| 2004 | 62 | 92 |
| 2005 | 53 | 60 |
| 2006 | 36 | 64 |
| 2007 | 30 | 70 |
| 2008 | 22 | 77 |
| 2009 | 36 | 120 |
| 2010 | 37 | 115 |
| 2011 | 66 | 149 |
| 2012 | 72 | 139 |
| 2013 | 81 | 236 |
| 2014 | 101 | 264 |
| 2015 | 142 | 355 |
| 2016 | 155 | 319 |
| 2017 | 218 | 300 |
| 2018 | 253 | 349 |
| 2019 | 260 | 315 |
| 2020 | 289 | 338 |
| 2021 | 275 | 311 |
| 2022 | 252 | 306 |
| 2023 | 248 | 331 |
| 2024 | 262 | 300 |
| 2025 | 272 | 268 |
| 2026 | 166 | 223 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B32B 15/013One layer being formed of an iron alloy or steel, another layer1,401
- B32B 15/012One layer being formed of an iron alloy or steel, another layer615
- B32B 15/011All layers being formed of iron alloys or steels507
- B32B 15/016All layers being formed of aluminium or aluminium alloys467
- B32B 15/018One layer being formed of a noble metal or a noble metal314
- B32B 15/017One layer being formed of aluminium or an aluminium alloy, another layer256
Recent patents
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- Cookware with copper bonded layer29 Sep 2026US 12,745,872 B2All-Clad Metalcrafters LLC
- Metal coupon with porous regions and slanted side wall(s) for turbomachine component8 Oct 2026US 2026/0307363 A1GE Vernova Infrastructure Technology LLC
- Alloy microstructure formation for chamber components1 Oct 2026US 2026/0295665 A1APPLIED Materials.Inc.
- 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.
- Coated steel sheet, member, and methods for producing the same1 Oct 2026US 2026/0297713 A1Jfe Steel Corporation
Most cited
By later US patents
- Multilayer composite tubular structure and method of making381US 5,858,556 AUti Inc. · 1999
- Rock bit with diamond tip inserts349US 4,694,918 ASmith International, Inc. · 1987
- Time sequenced heating of multiple layers in a hydrocarbon containing formation225US 7,635,023 B2Shell Oil Company · 2009
- Temperature limited heaters using phase transformation of ferromagnetic material186US 7,597,147 B2Shell Oil Company · 2009
- Wellhead with non-ferromagnetic materials184US 7,533,719 B2Shell Oil Company · 2009