B23K 9/1031
Reduction of the arc voltage beneath the arc striking value
Official title: {Reduction of the arc voltage beneath the arc striking value, e.g. to zero voltage, during non-welding periods}
B23K9/1031 (Reduction of the arc voltage beneath the arc striking value) appears on 11 US grants and 10 published applications in this corpus.
Search patents in B23K- Granted patents
- 11
- Published applications
- 10
- Assignees
- 10
- Inventors
- 20
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 2 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Overvoltage protection for current braking switch13 Jan 2026US 12,521,810 B2Esab AB
- Welding type power supply for TIG starts1 Jul 2025US 12,343,822 B2Illinois Tool Works Inc.
- Welding-type power source with integrated open-circuit voltage controller1 Sep 2020US 10,758,993 B2Illinois Tool Works Inc.
- Welding type power supply for TIG starts11 Feb 2020US 10,556,289 B2Illinois Tool Works Inc.
- Device and method to control a power source25 Mar 2014US 8,680,431 B2Lincoln Global.Inc.
- Overvoltage protection for current braking switch13 Oct 2022US 2022/0324049 A1Esab AB
- Welding Type Power Supply For TIG Starts7 May 2020US 2020/0139469 A1Illinois Tool Works Inc.
- Arc welding device and arc welding control method25 Jul 2019US 2019/0224771 A1Panasonic Intellectual Property Management Co., Ltd.
- Welding-type power source with interated open-circuit voltage controller28 Dec 2017US 2017/0368630 A1Illinois Tool Works Inc.
- Welding control method and control apparatus2 Jun 2016US 2016/0151852 A1Protomet SäRkiniemi T:Mi
Most cited
By later US patents
- Arc welder power supply with fail-safe voltage reducing circuit49US 4,450,340 AMiller Electric Manufacturing Company · 1984
- Shut-down control device for welding carriage and method14US 4,659,904 AHigh Steel Structures, Inc. · 1987
- Device and method to control a power source14US 8,680,431 B2Lincoln Global.Inc. · 2014
- Power supply for electric arc welding11US 4,049,946 AEutectic Corporation · 1977
- Protection circuit for plasma-arc welding and cutting equipment operated with transferred or non-transferred arc10US 4,987,285 ACebora S.p.A. · 1991