B23K 20/24
Preliminary treatment
B23K20/24 (Preliminary treatment) appears on 380 US grants and 433 published applications in this corpus.
Search patents in B23K- Granted patents
- 380
- Published applications
- 433
- Assignees
- 299
- Inventors
- 997
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 5 | 0 |
| 1987 | 6 | 0 |
| 1988 | 9 | 0 |
| 1989 | 9 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 4 | 6 |
| 2003 | 3 | 8 |
| 2004 | 7 | 7 |
| 2005 | 6 | 4 |
| 2006 | 3 | 5 |
| 2007 | 2 | 6 |
| 2008 | 0 | 7 |
| 2009 | 1 | 9 |
| 2010 | 6 | 11 |
| 2011 | 2 | 6 |
| 2012 | 3 | 4 |
| 2013 | 12 | 14 |
| 2014 | 8 | 18 |
| 2015 | 11 | 30 |
| 2016 | 13 | 26 |
| 2017 | 16 | 29 |
| 2018 | 31 | 34 |
| 2019 | 22 | 46 |
| 2020 | 27 | 28 |
| 2021 | 23 | 30 |
| 2022 | 29 | 30 |
| 2023 | 29 | 24 |
| 2024 | 25 | 26 |
| 2025 | 21 | 12 |
| 2026 | 7 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods for metal flow reactor modules and modules produced8 Sep 2026US 12,728,475 B2Corning Incorporated
- Method for joining metal materials and controlling bonding quality thereof25 Aug 2026US 12,715,061 B2Toyama Prefecture
- Friction element welding method25 Aug 2026US 12,715,062 B2Jfe Steel Corporation
- Friction element welding method21 Jul 2026US 12,686,073 B2Jfe Steel Corporation
- Method and device for welding at least three cables, each with two conductors protruding from the sheath ends of the cables2 Jun 2026US 12,646,910 B2Lisa Draexlmaier GmbH
- Method for joining thin-walled workpieces30 Jul 2026US 2026/0216813 A1
- Printed circuit heat exchanger and methods of fabricating same30 Jul 2026US 2026/0216815 A1GE Vernova Infrastructure Technology LLC
- Method for manufacturing shower head for semiconductor manufacturing using an improved diffusion bonding process23 Jul 2026US 2026/0208284 A1Tnp Corporation
- Bonding method and bonding apparatus16 Jul 2026US 2026/0200004 A1Ultex Corporation
- Friction element welding method16 Jul 2026US 2026/0200006 A1Jfe Steel Corporation
Most cited
By later US patents
- Method for diffusion bonding of alloys having low solubility oxides298US 4,732,312 AGrumman Aerospace Corporation · 1988
- Method for cold bonding205US 4,804,132 A1989
- Gas turbine engine rotor assembly57US 4,796,343 AROLLS-ROYCE plc · 1989
- Method of bonding crystalline silicon bodies47US 4,671,846 AKabushiki Kaisha Toshiba · 1987
- Method of manufacturing a workpiece of any given cross-sectional dimensions from an oxide-dispersion-hardened nickel-based superalloy with directional coarse columnar crystals36US 4,817,858 ABBC Brown, Boveri & Company, Limited · 1989