B23K 11/34
Preliminary treatment
B23K11/34 (Preliminary treatment) appears on 164 US grants and 205 published applications in this corpus.
Search patents in B23K- Granted patents
- 164
- Published applications
- 205
- Assignees
- 134
- Inventors
- 472
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 2 |
| 2002 | 2 | 4 |
| 2003 | 3 | 3 |
| 2004 | 3 | 2 |
| 2005 | 1 | 5 |
| 2006 | 3 | 1 |
| 2007 | 1 | 4 |
| 2008 | 0 | 3 |
| 2009 | 3 | 2 |
| 2010 | 2 | 5 |
| 2011 | 1 | 2 |
| 2012 | 1 | 1 |
| 2013 | 2 | 3 |
| 2014 | 2 | 8 |
| 2015 | 3 | 9 |
| 2016 | 2 | 20 |
| 2017 | 4 | 12 |
| 2018 | 5 | 17 |
| 2019 | 21 | 29 |
| 2020 | 18 | 11 |
| 2021 | 12 | 17 |
| 2022 | 9 | 18 |
| 2023 | 9 | 10 |
| 2024 | 11 | 8 |
| 2025 | 8 | 7 |
| 2026 | 3 | 2 |
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
- Resistance spot welding method and resistance spot welding apparatus21 Apr 2026US 12,605,787 B2Toyota Jidosha Kabushiki Kaisha
- Resistance welding methods, assemblies, and vehicles13 Jan 2026US 12,521,813 B2GM Global Technology Operations LLC
- Method of preparing a pipe-section16 Dec 2025US 12,498,057 B2Technip France
- Resistance-welded assemblies and resistance welding methods25 Nov 2025US 12,479,040 B2GM Global Technology Operations LLC
- Method for manufacturing joined body2 Jul 2026US 2026/0183864 A1Futaba Industrial Co., Ltd.
- Method of producing joined body of different materials21 May 2026US 2026/0138177 A1Aoyama Seisakusho Co., Ltd.
- Resistance spot welding with laser welding for dissimilar metal spot-weld joints13 Nov 2025US 2025/0345878 A1GM Global Technology Operations LLC
- Method and apparatus for mitigating risk of liquid metal embrittlement during resistance welding12 Jun 2025US 2025/0187101 A1Fca US LLC
- Process and plant for the manufacture of reinforcing bars for profiled elements for window/door frames5 Jun 2025US 2025/0178115 A1Graf Synergy S.r. l.
Most cited
By later US patents
- Method of ensuring the maintenance of constant quality of spot welds86US 4,329,561 A1982
- Projection welding of an aluminum sheet57US 6,791,056 B2Alcoa Inc. · 2004
- Process and apparatus for welding sheet metal edges43US 5,567,335 AElpatronic AG · 1996
- Method of combining welding and adhesive bonding for joining metal components29US 7,115,324 B1Alcoa Inc. · 2006
- Method and apparatus for cleaning metal pieces prior to resistive seam welding or laser lap seam welding28US 5,389,761 AGeneral Motors Corporation · 1995