B23K 20/18
Zonal welding by interposing weld-preventing substances between zones not to be welded
B23K20/18 (Zonal welding by interposing weld-preventing substances between zones not to be welded) appears on 90 US grants and 30 published applications in this corpus.
Search patents in B23K- Granted patents
- 90
- Published applications
- 30
- Assignees
- 39
- Inventors
- 136
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 7 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 3 |
| 2003 | 2 | 1 |
| 2004 | 1 | 3 |
| 2005 | 2 | 2 |
| 2006 | 0 | 0 |
| 2007 | 3 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 4 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 2 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 2 |
| 2019 | 1 | 2 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 2 | 2 |
| 2023 | 2 | 3 |
| 2024 | 3 | 1 |
| 2025 | 1 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Resonance device with anti-diffusion layer and resonance device manufacturing method25 Aug 2026US 12,719,443 B2Murata Manufacturing Co., Ltd.
- Cold spray additive manufacturing of multi-material electrical contacts28 Apr 2026US 12,611,712 B2Eaton Intelligent Power Limited
- Support structures for laminated metallic parts23 Dec 2025US 12,502,731 B2Alloy Enterprises Inc.
- Techniques and assemblies for joining components16 Jul 2024US 12,036,627 B2ROLLS-ROYCE plc
- Cold spray additive manufacturing of multi-material electrical contacts9 Apr 2024US 11,951,542 B2Eaton Intelligent Power Limited
- Cold spray additive manufacturing of multi-material electrical contacts30 Jul 2026US 2026/0216790 A1Eaton Intelligent Power Limited
- Cold spray additive manufacturing of multi-material electrical contacts27 Jun 2024US 2024/0207937 A1Eaton Intelligent Power Limited
- Resonance device and resonance device manufacturing method29 Jun 2023US 2023/0208392 A1Murata Manufacturing Co., Ltd.
- Support structures for laminated metallic parts1 Jun 2023US 2023/0166356 A1Alloy Enterprises Inc.
- Techniques and assemblies for joining components2 Feb 2023US 2023/0033578 A1ROLLS-ROYCE plc
Most cited
By later US patents
- Method of making diffusion bonded and superplastically formed structures73US 4,331,284 ARockwell International Corporation · 1982
- Thick core sandwich structures and method of fabrication thereof70US 4,530,197 ARockwell International Corporation · 1985
- Method for making titanium aluminide metallic sandwich structures68US 5,118,026 ARockwell International Corporation · 1992
- Superplastic forming diffusion bonding process63US 4,882,823 AOntario Technologies Corporation · 1989
- Method to produce superplastically formed titanium alloy components59US 5,024,369 AThe United States of America as represented by the Secretary of the Air Force · 1991