B23K 20/00
Non-electric welding by applying impact or other pressure, with or without the
Official title: Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
B23K20/00 (Non-electric welding by applying impact or other pressure, with or without the) appears on 6,529 US grants and 6,189 published applications in this corpus.
Search patents in B23K- Granted patents
- 6,529
- Published applications
- 6,189
- Assignees
- 2,298
- Inventors
- 12,046
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 75 | 0 |
| 1977 | 60 | 0 |
| 1978 | 42 | 0 |
| 1979 | 31 | 0 |
| 1980 | 40 | 0 |
| 1981 | 35 | 0 |
| 1982 | 31 | 0 |
| 1983 | 28 | 0 |
| 1984 | 47 | 0 |
| 1985 | 42 | 0 |
| 1986 | 68 | 0 |
| 1987 | 54 | 0 |
| 1988 | 73 | 0 |
| 1989 | 78 | 0 |
| 1990 | 60 | 0 |
| 1991 | 68 | 0 |
| 1992 | 78 | 0 |
| 1993 | 102 | 0 |
| 1994 | 90 | 0 |
| 1995 | 78 | 0 |
| 1996 | 80 | 0 |
| 1997 | 83 | 0 |
| 1998 | 90 | 0 |
| 1999 | 140 | 0 |
| 2000 | 169 | 0 |
| 2001 | 179 | 82 |
| 2002 | 145 | 180 |
| 2003 | 163 | 175 |
| 2004 | 158 | 220 |
| 2005 | 137 | 218 |
| 2006 | 122 | 257 |
| 2007 | 96 | 191 |
| 2008 | 116 | 196 |
| 2009 | 119 | 187 |
| 2010 | 180 | 223 |
| 2011 | 162 | 213 |
| 2012 | 148 | 193 |
| 2013 | 158 | 248 |
| 2014 | 169 | 257 |
| 2015 | 177 | 305 |
| 2016 | 214 | 307 |
| 2017 | 210 | 324 |
| 2018 | 265 | 308 |
| 2019 | 238 | 331 |
| 2020 | 267 | 274 |
| 2021 | 235 | 301 |
| 2022 | 255 | 291 |
| 2023 | 221 | 243 |
| 2024 | 267 | 284 |
| 2025 | 227 | 212 |
| 2026 | 159 | 169 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B23K 20/12The heat being generated by friction2,076
- B23K 20/10Making use of vibrations1,336
- B23K 20/002Non-electric welding by applying impact or other pressure, with or without the1,313
- B23K 20/02Non-electric welding by applying impact or other pressure, with or without the1,179
- B23K 20/22Taking account of the properties of the materials to be welded982
- B23K 20/16Non-electric welding by applying impact or other pressure, with or without the399
- B23K 20/24Preliminary treatment380
- B23K 20/06Non-electric welding by applying impact or other pressure, with or without the320
All 15 subgroupsShow fewer
- B23K 20/26Auxiliary equipment266
- B23K 20/04Non-electric welding by applying impact or other pressure, with or without the262
- B23K 20/14Preventing or minimising gas access, or using protective gases or vacuum during109
- B23K 20/18Zonal welding by interposing weld-preventing substances between zones not to be welded90
- B23K 20/001Non-electric welding by applying impact or other pressure, with or without the34
- B23K 20/008Combining pressure with radiant energy33
- B23K 20/20Special methods allowing subsequent separation2
Recent patents
- Systems and methods for joining and repair using ultrasonic additive manufacturing with a contoured sonotrode6 Oct 2026US 12,752,366 B2Ohio State Innovation Foundation
- Pressing device for fixing workpiece onto worktable6 Oct 2026US 12,752,367 B2ABB Schweiz AG
- Tank, in particular for a liquid hydrogen reservoir, provided with at least one dome fixed by way of an outer welded joint6 Oct 2026US 12,753,882 B2Airbus Operations GmbH
- Cookware with copper bonded layer29 Sep 2026US 12,745,872 B2All-Clad Metalcrafters LLC
- Solid-state joining method, solid-state joined joint, solid-state joined structure, and solid-state joining device29 Sep 2026US 12,746,616 B2Osaka University
- Improved cable connecting piece8 Oct 2026US 2026/0312306 A1Safetrack Infrasystems SISAB AB
- Bed mesh assembly device and bed mesh assembly method1 Oct 2026US 2026/0295713 A1Guangzhou Lianrou Machinery & Equipment Co., Ltd.
- Composite Current Collector Double-sided Double Ultrasonic Roller Welding System1 Oct 2026US 2026/0295714 A1Sheng Dong Li (Guangzhou) Ultrasonic Electronic Equipment Co., Ltd.
- Friction stir welded joint1 Oct 2026US 2026/0295715 A1Jfe Steel Corporation
- Friction joining device and friction joining method1 Oct 2026US 2026/0295716 A1Citizen Machinery Co., Ltd.
Most cited
By later US patents
- Sockets for electronic components and methods of connecting to electronic components453US 5,772,451 AForm Factor, Inc. · 1998
- Method of planarizing tips of probe elements of a probe card assembly397US 5,974,662 AFormFactor, Inc. · 1999
- Apparatus and method for automatically adjusting power output of an ultrasonic generator367US 5,357,423 AKulicke & Soffa Investments, Inc. · 1994
- Method of fabricating an interconnection element335US 6,336,269 B12002
- Friction welding329US 5,460,317 AThe Welding Institute · 1995