B23K 13/043
Seam welding
Official title: {Seam welding}
B23K13/043 (Seam welding) appears on 23 US grants and 14 published applications in this corpus.
Search patents in B23K- Granted patents
- 23
- Published applications
- 14
- Assignees
- 16
- Inventors
- 58
- Latest grant
- 22 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 2 | 2 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 4 |
| 2021 | 1 | 0 |
| 2022 | 1 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Al plated welded pipe for hardening use and al plated hollow member and method for producing same22 Apr 2025US 12,281,375 B2Nippon Steel Corporation
- Al plated welded pipe for hardening use and Al plated hollow member and method for producing same7 Nov 2023US 11,807,924 B2Nippon Steel Corporation
- Method for manufacturing electroseamed metal tube22 Nov 2022US 11,504,797 B2Nippon Steel Nisshin Co., Ltd.
- Method for manufacturing electroseamed metal tube, and electroseamed metal tube2 Feb 2021US 10,906,125 B2Nippon Steel Nisshin Co., Ltd.
- Positioning structure of frame welding assembly for metal product31 Mar 2020US 10,603,749 B2Wire Master Industry Co., Ltd.
- Al plated welded pipe for hardening use and al plated hollow member and method for producing same28 Dec 2023US 2023/0416888 A1Nippon Steel Corporation
- Al plated welded pipe for hardening use and al plated hollow member and method for producing same5 Nov 2020US 2020/0347489 A1Nippon Steel Corporation
- Method for manufacturing electroseamed metal tube30 Jul 2020US 2020/0238431 A1Nippon Steel Nisshin Co., Ltd.
- Apparatus, method, and program for monitoring operation of high frequency resistance welding and induction heating welding of electric resistance welded steel pipe6 Feb 2020US 2020/0038929 A1Nippon Steel Corporation
- Method for manufacturing electroseamed metal tube, and electroseamed metal tube9 Jan 2020US 2020/0009680 A1Nippon Steel Nisshin Co., Ltd.
Most cited
By later US patents
- Welding management apparatus94US 5,360,156 AMeidensha Corporation · 1994
- High-frequency electric resistance welding method using irradiation with a laser beam34US 4,649,256 ANippon Steel Corporation · 1987
- Method of manufacturing heat exchange panels15US 4,136,272 AThermatool Corp. · 1979
- Method for producing a steel pipe using a high density energy beam14US 5,900,079 ANKK Corporation · 1999
- Welding management apparatus13US 5,265,787 AMeidensha Corporation · 1993