B23K 9/09
Arrangements or circuits for arc welding with pulsed current or voltage
B23K9/09 (Arrangements or circuits for arc welding with pulsed current or voltage) appears on 680 US grants and 693 published applications in this corpus.
Search patents in B23K- Granted patents
- 680
- Published applications
- 693
- Assignees
- 182
- Inventors
- 874
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 9 | 0 |
| 1982 | 6 | 0 |
| 1983 | 8 | 0 |
| 1984 | 15 | 0 |
| 1985 | 9 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 10 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 6 | 0 |
| 2000 | 11 | 0 |
| 2001 | 14 | 2 |
| 2002 | 9 | 10 |
| 2003 | 11 | 6 |
| 2004 | 10 | 20 |
| 2005 | 11 | 23 |
| 2006 | 20 | 27 |
| 2007 | 11 | 23 |
| 2008 | 8 | 22 |
| 2009 | 5 | 16 |
| 2010 | 2 | 12 |
| 2011 | 6 | 18 |
| 2012 | 13 | 24 |
| 2013 | 18 | 31 |
| 2014 | 19 | 60 |
| 2015 | 31 | 44 |
| 2016 | 34 | 36 |
| 2017 | 34 | 36 |
| 2018 | 40 | 44 |
| 2019 | 36 | 45 |
| 2020 | 43 | 48 |
| 2021 | 29 | 33 |
| 2022 | 32 | 36 |
| 2023 | 23 | 24 |
| 2024 | 32 | 19 |
| 2025 | 38 | 11 |
| 2026 | 9 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods to provide interfaces for control of welding-type systems11 Aug 2026US 12,703,037 B2Illinois Tool Works Inc.
- Manipulation of resonant elements in switching power supplies23 Jun 2026US 12,661,732 B2The ESAB Group, Inc.
- Direct current arc welding control method19 May 2026US 12,629,764 B2Panasonic Intellectual Property Management Co., Ltd.
- MIG welding method12 May 2026US 12,623,306 B2Jfe Steel Corporation
- Weld circuit inductance tracking17 Feb 2026US 12,551,961 B2Esab AB
- Arc welded joint and method for manufacturing the same1 Oct 2026US 2026/0295705 A1Jfe Steel Corporation
- Multiple arc joining method24 Sep 2026US 2026/0284770 A1Fronius International GmbH
- Control of interval joining process10 Sep 2026US 2026/0264159 A1Fronius International GmbH
- Manipulation of resonant elements in switching power supplies10 Sep 2026US 2026/0264160 A1The ESAB Group, Inc.
- Manipulation of resonant elements in switching power supplies10 Sep 2026US 2026/0264161 A1The ESAB Group, Inc.
Most cited
By later US patents
- Monitor for electric arc welder257US 6,441,342 B1Lincoln Global.Inc. · 2002
- Method and apparatus for assessing weld quality196US 6,236,017 B1Bechtel BWXT Idaho, LLC · 2001
- Virtual reality GTAW and pipe welding simulator and setup183US 8,851,896 B2Lincoln Global.Inc. · 2014
- Short circuit welder150US 6,051,810 ALincoln Global.Inc. · 2000
- Method and system for gas metal arc welding149US 6,008,470 AUniversity of Kentucky Research Foundation · 1999