B23K 20/001
Non-electric welding by applying impact or other pressure, with or without the
Official title: {by extrusion or drawing}
B23K20/001 (Non-electric welding by applying impact or other pressure, with or without the) appears on 34 US grants and 25 published applications in this corpus.
Search patents in B23K- Granted patents
- 34
- Published applications
- 25
- Assignees
- 31
- Inventors
- 92
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 6 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 3 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 3 | 0 |
| 2012 | 2 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 2 |
| 2016 | 1 | 1 |
| 2017 | 2 | 1 |
| 2018 | 2 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 4 |
| 2021 | 1 | 2 |
| 2022 | 0 | 0 |
| 2023 | 1 | 3 |
| 2024 | 2 | 1 |
| 2025 | 2 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Intermediate alloy, preparation method therefor, and use thereof26 May 2026US 12,636,727 B1China Academy of Machinery Zhengzhou Research Institute of Mechanical Engineering Co., Ltd.
- Devices and methods for performing shear-assisted extrusion and extrusion processes15 Jul 2025US 12,358,035 B2Battelle Memorial Institute
- Copper alloy assembly and production method therefor24 Jun 2025US 12,337,407 B2Kyushu University, National University Corporation
- Composite material structure and processing method thereof20 Feb 2024US 11,904,571 B2Fulian Yuzhan Precision Technology Co., Ltd
- Method for producing metal alloy parts with complex shape6 Feb 2024US 11,891,916 B2Mecachrome France
- Intermediate alloy, preparation method therefor, and use thereof28 May 2026US 2026/0145260 A1China Academy of Machinery Zhengzhou Research Institute of Mechanical Engineering Co., Ltd.
- Neodymium-iron-boron magnet and preparation method thereof7 Aug 2025US 2025/0249527 A1Yantai Dongxing Magnetic Materials Inc.
- Devices and methods for performing shear-assisted extrusion and extrusion processes4 Jul 2024US 2024/0216973 A1Battelle Memorial Institute
- Copper alloy assembly and production method therefor9 Nov 2023US 2023/0356321 A1Kyushu University, National University Corporation
- Composite material structure and processing method thereof29 Jun 2023US 2023/0202140 A1Fulian Yuzhan Precision Technology Co., Ltd
Most cited
By later US patents
- Method for producing a clad steel pipe25US 4,795,078 AKuroki Kogyosho Co., Ltd. · 1989
- Method of manufacturing a clad tubular product by extrusion19US 4,744,504 A1988
- Method for cladding the ends of a pre-clad tubular product in preparation for threading13US 5,000,368 A1991
- Method of producing double-wall composite pipes12US 4,598,857 AKawasaki Jukogyo Kabushiki Kaisha · 1986
- Method of fabricating a bi-metal tube9US 4,518,111 AExplosive Fabricators, Inc. · 1985