B23K 9/067
Starting the arc
B23K9/067 (Starting the arc) appears on 205 US grants and 190 published applications in this corpus.
Search patents in B23K- Granted patents
- 205
- Published applications
- 190
- Assignees
- 90
- Inventors
- 409
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 7 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 1 |
| 2002 | 4 | 0 |
| 2003 | 2 | 1 |
| 2004 | 3 | 5 |
| 2005 | 1 | 3 |
| 2006 | 2 | 7 |
| 2007 | 2 | 7 |
| 2008 | 2 | 6 |
| 2009 | 3 | 4 |
| 2010 | 3 | 5 |
| 2011 | 2 | 3 |
| 2012 | 1 | 13 |
| 2013 | 10 | 13 |
| 2014 | 7 | 8 |
| 2015 | 10 | 18 |
| 2016 | 5 | 7 |
| 2017 | 3 | 5 |
| 2018 | 8 | 11 |
| 2019 | 6 | 9 |
| 2020 | 7 | 16 |
| 2021 | 8 | 10 |
| 2022 | 12 | 7 |
| 2023 | 4 | 7 |
| 2024 | 7 | 7 |
| 2025 | 13 | 13 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Detecting weld start event based on time derivative of weld voltage18 Aug 2026US 12,708,954 B2The ESAB Group, Inc.
- Welding assembly comprising a welding device and a welding component connected to the welding device2 Jun 2026US 12,643,169 B2Fronius International GmbH
- Systems and methods to configure a robotic welding system24 Feb 2026US 12,558,789 B2Illinois Tool Works Inc.
- Systems and methods to provide welding-type arc starting and stabilization with reduced open circuit voltage3 Feb 2026US 12,539,552 B2Illinois Tool Works Inc.
- Variable PWM frequency responsive to power increase event in welding system6 Jan 2026US 12,519,403 B2Esab AB
- Welding system with arc control11 Jun 2026US 2026/0158578 A1Illinois Tool Works Inc.
- Waveform regulation in controlled short arc gas metal arc welding4 Jun 2026US 2026/0151843 A1The ESAB Group, Inc.
- Systems and methods to start arc welding2 Apr 2026US 2026/0091441 A1Illinois Tool Works Inc.
- Arc-start processes for long stick out submerged arc welding12 Feb 2026US 2026/0042164 A1Lincoln Global.Inc.
- Systems and methods to start arc welding4 Dec 2025US 2025/0367746 A1Illinois Tool Works Inc.
Most cited
By later US patents
- Arc plasma torch and method using contact starting112US 4,791,268 AHypertherm, Inc. · 1988
- Torch for electric arc welding system95US 8,431,862 B2Lincoln Global.Inc. · 2013
- Apparatus and process for cooling a plasma arc electrode92US 4,902,871 AHypertherm, Inc. · 1990
- Methods and apparatus for cutting and welding59US 4,167,662 ANational Research Development Corporation · 1979
- Microprocessor controlled welding apparatus55US 4,561,059 ABeckworth Davis International, Inc. · 1985