B23K 9/12
Automatic feeding or moving of electrodes or work for spot or seam
Official title: Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
B23K9/12 (Automatic feeding or moving of electrodes or work for spot or seam) appears on 1,574 US grants and 1,633 published applications in this corpus.
Search patents in B23K- Granted patents
- 1,574
- Published applications
- 1,633
- Assignees
- 497
- Inventors
- 2,633
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 12 | 0 |
| 1978 | 16 | 0 |
| 1979 | 24 | 0 |
| 1980 | 16 | 0 |
| 1981 | 23 | 0 |
| 1982 | 13 | 0 |
| 1983 | 13 | 0 |
| 1984 | 17 | 0 |
| 1985 | 30 | 0 |
| 1986 | 28 | 0 |
| 1987 | 17 | 0 |
| 1988 | 10 | 0 |
| 1989 | 24 | 0 |
| 1990 | 19 | 0 |
| 1991 | 17 | 0 |
| 1992 | 15 | 0 |
| 1993 | 8 | 0 |
| 1994 | 11 | 0 |
| 1995 | 5 | 0 |
| 1996 | 21 | 0 |
| 1997 | 12 | 0 |
| 1998 | 17 | 0 |
| 1999 | 19 | 0 |
| 2000 | 30 | 0 |
| 2001 | 22 | 8 |
| 2002 | 21 | 16 |
| 2003 | 21 | 22 |
| 2004 | 22 | 38 |
| 2005 | 21 | 59 |
| 2006 | 33 | 54 |
| 2007 | 28 | 46 |
| 2008 | 28 | 55 |
| 2009 | 14 | 30 |
| 2010 | 16 | 42 |
| 2011 | 21 | 53 |
| 2012 | 27 | 55 |
| 2013 | 42 | 77 |
| 2014 | 50 | 82 |
| 2015 | 64 | 90 |
| 2016 | 49 | 83 |
| 2017 | 58 | 89 |
| 2018 | 62 | 90 |
| 2019 | 76 | 105 |
| 2020 | 97 | 98 |
| 2021 | 56 | 83 |
| 2022 | 78 | 83 |
| 2023 | 54 | 67 |
| 2024 | 71 | 79 |
| 2025 | 67 | 73 |
| 2026 | 46 | 56 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B23K 9/133Means for feeding electrodes538
- B23K 9/124Circuits or methods for feeding welding wire532
- B23K 9/127Means for tracking lines during arc welding or cutting364
- B23K 9/122Devices for guiding electrodes182
- B23K 9/126Controlling the spatial relationship between the work and the gas torch94
- B23K 9/121Devices for the automatic supply of at least two electrodes one after47
Recent patents
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- Control method for portable welding robot, welding control device, portable welding robot, and welding system22 Sep 2026US 12,741,333 B2Kobe Steel, Ltd.
- Systems and methods to control welding processes using weld pool attributes8 Sep 2026US 12,728,473 B2Illinois Tool Works Inc.
- Arc welding torch8 Sep 2026US 12,728,474 B2Sks Welding Systems GmbH
- Welding system1 Sep 2026US 12,722,220 B2Hitachi, Ltd.
- Portable welding wire feeders and separable wire sources8 Oct 2026US 2026/0307164 A1Illinois Tool Works Inc.
- Systems and methods for utilizing wearable wire feeders with improved feedback and use features8 Oct 2026US 2026/0307165 A1Illinois Tool Works Inc.
- Welding system with support base1 Oct 2026US 2026/0295708 A1Illinois Tool Works Inc.
- Apparatus for supplying welding filler material during joining of strip ends using welding technology1 Oct 2026US 2026/0295709 A1Fritz Orbke Baustoffgrosshandlung GmbH
- Control system for coordinated feeding of welding wire in a push-pull motor system24 Sep 2026US 2026/0284769 A1
Most cited
By later US patents
- Method and apparatus for assessing weld quality196US 6,236,017 B1Bechtel BWXT Idaho, LLC · 2001
- Vision processing method and device for welding line auto-tracking177US 6,049,059 ASamsung Electronics Co., Ltd. · 2000
- Body motion training and qualification system and method168US 8,512,043 B2123 Certification, Inc. · 2013
- Method for automatic multi-layer welding166US 6,155,475 AEsab AB · 2000
- Method for teaching welding torch orientation159US 5,845,053 AFanuc Corporation · 1998