B23K 9/1068
Electric circuits for the supply of power to two or more arcs
Official title: {Electric circuits for the supply of power to two or more arcs from a single source}
B23K9/1068 (Electric circuits for the supply of power to two or more arcs) appears on 85 US grants and 78 published applications in this corpus.
Search patents in B23K- Granted patents
- 85
- Published applications
- 78
- Assignees
- 30
- Inventors
- 154
- Latest grant
- 11 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 1 |
| 2002 | 1 | 1 |
| 2003 | 0 | 2 |
| 2004 | 3 | 5 |
| 2005 | 4 | 5 |
| 2006 | 5 | 4 |
| 2007 | 4 | 5 |
| 2008 | 1 | 5 |
| 2009 | 0 | 1 |
| 2010 | 0 | 3 |
| 2011 | 1 | 5 |
| 2012 | 1 | 0 |
| 2013 | 3 | 2 |
| 2014 | 4 | 3 |
| 2015 | 4 | 8 |
| 2016 | 3 | 1 |
| 2017 | 6 | 2 |
| 2018 | 2 | 5 |
| 2019 | 1 | 3 |
| 2020 | 4 | 3 |
| 2021 | 2 | 4 |
| 2022 | 2 | 3 |
| 2023 | 1 | 2 |
| 2024 | 5 | 1 |
| 2025 | 1 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for multiple source control of an engine driven power system11 Feb 2025US 12,220,774 B2Illinois Tool Works Inc.
- Reduction of droplet size for CO2 shielded welding wire17 Dec 2024US 12,168,268 B2Lincoln Global.Inc.
- Welding system of modular type26 Nov 2024US 12,151,320 B2Jasic Technology Europe S.R.L.
- Multiple welding method19 Nov 2024US 12,145,227 B2Fronius International GmbH
- Submerged arc welding systems and submerged arc welding torches to resistively preheat electrode wire5 Nov 2024US 12,134,154 B2Illinois Tool Works Inc.
- Polarity-reversing buck converter circuits and welding-type power supplies having polarity-reversing buck converter circuits4 Jun 2026US 2026/0155743 A1Illinois Tool Works Inc.
- Hybrid chargers and portable hybrid welding-type systems5 Jun 2025US 2025/0178113 A1Illinois Tool Works Inc.
- Ac power stage bypass in a welding power source8 May 2025US 2025/0144732 A1Esab AB
- Methods and System for Multiple Wire Feed Control For Wire-Arc Additive Manufacturing3 Apr 2025US 2025/0108448 A1Lincoln Global.Inc.
- Submerged arc welding systems and submerged arc welding torches to resistively preheat electrode wire18 Jan 2024US 2024/0017343 A1Illinois Tool Works Inc.
Most cited
By later US patents
- Quality control module for tandem arc welding99US 6,940,039 B2Lincoln Global.Inc. · 2005
- Multiple operator welding apparatus76US 5,406,050 AAdvanced Fusion Technologies, Inc. · 1995
- Tandem electrode welder and method of welding with two electrodes70US 6,207,929 B1Lincoln Global.Inc. · 2001
- Electric ARC welder and plasma cutter65US 6,023,037 ALincoln Global.Inc. · 2000
- Electric ARC welder with a plurality of power supplies63US 6,291,798 B1Lincoln Global.Inc. · 2001