B23K 20/2275
The other layer being aluminium
Official title: {the other layer being aluminium}
B23K20/2275 (The other layer being aluminium) appears on 92 US grants and 118 published applications in this corpus.
Search patents in B23K- Granted patents
- 92
- Published applications
- 118
- Assignees
- 76
- Inventors
- 268
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 2 |
| 2004 | 1 | 6 |
| 2005 | 2 | 5 |
| 2006 | 3 | 3 |
| 2007 | 0 | 3 |
| 2008 | 2 | 2 |
| 2009 | 1 | 2 |
| 2010 | 1 | 2 |
| 2011 | 3 | 5 |
| 2012 | 4 | 6 |
| 2013 | 0 | 2 |
| 2014 | 1 | 4 |
| 2015 | 5 | 10 |
| 2016 | 6 | 12 |
| 2017 | 6 | 7 |
| 2018 | 6 | 8 |
| 2019 | 1 | 5 |
| 2020 | 6 | 4 |
| 2021 | 6 | 9 |
| 2022 | 4 | 5 |
| 2023 | 3 | 7 |
| 2024 | 7 | 5 |
| 2025 | 5 | 4 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for joining metal materials and controlling bonding quality thereof25 Aug 2026US 12,715,061 B2Toyama Prefecture
- Electrical steel strip, use of an electrical steel strip and method for producing an electrical steel strip19 May 2026US 12,633,442 B2Wickeder Westfalenstahl GmbH
- Method and apparatus for additive friction stir manufactured transition joint2 Dec 2025US 12,486,872 B2DMC Global Inc.
- Methods of joining dissimilar metals without detrimental intermetallic compounds3 Jun 2025US 12,318,861 B2The Regents of the University of Michigan
- Friction stir spot welder and method of operating friction stir spot welder20 May 2025US 12,303,995 B2Kawasaki Jukogyo Kabushiki Kaisha
- Dissimilar material solid phase bonding method, and dissimilar material solid phase bonded structure20 Nov 2025US 2025/0353103 A1Osaka University
- Friction stir spot welder and method of operating friction stir spot welder7 Aug 2025US 2025/0249531 A1Kawasaki Jukogyo Kabushiki Kaisha
- Friction stir spot welding apparatus and joint structure27 Mar 2025US 2025/0100071 A1Kawasaki Jukogyo Kabushiki Kaisha
- Method For Joining Metal Materials And Controlling Bonding Quality Thereof6 Mar 2025US 2025/0073807 A1Toyama Prefecture
- Method and apparatus for additive friction stir manufactured transition joint17 Oct 2024US 2024/0344567 A1DMC Global Inc.
Most cited
By later US patents
- Dissimilar metal joining method37US 7,850,059 B2Nissan Motor Co., Ltd. · 2010
- Dissimilar metal joining method34US 8,020,749 B2Kojiro KOBAYASHI · 2011
- In-situ interlocking of metals using additive friction stir processing34US 9,511,446 B2Aeroprobe Corporation · 2016
- Method of joining metallic materials33US 6,843,405 B2Hitachi, Ltd. · 2005
- Multiple member clad metal products29US 4,167,606 AClad Metals LLC · 1979