B23K 9/00
Arc welding or cutting
B23K9/00 (Arc welding or cutting) appears on 8,457 US grants and 7,956 published applications in this corpus.
Search patents in B23K- Granted patents
- 8,457
- Published applications
- 7,956
- Assignees
- 2,496
- Inventors
- 13,039
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 101 | 0 |
| 1977 | 108 | 0 |
| 1978 | 100 | 0 |
| 1979 | 104 | 0 |
| 1980 | 95 | 0 |
| 1981 | 113 | 0 |
| 1982 | 96 | 0 |
| 1983 | 87 | 0 |
| 1984 | 131 | 0 |
| 1985 | 169 | 0 |
| 1986 | 141 | 0 |
| 1987 | 101 | 0 |
| 1988 | 108 | 0 |
| 1989 | 128 | 0 |
| 1990 | 129 | 0 |
| 1991 | 105 | 0 |
| 1992 | 97 | 0 |
| 1993 | 87 | 0 |
| 1994 | 98 | 0 |
| 1995 | 85 | 0 |
| 1996 | 91 | 0 |
| 1997 | 97 | 0 |
| 1998 | 119 | 0 |
| 1999 | 95 | 0 |
| 2000 | 187 | 0 |
| 2001 | 139 | 38 |
| 2002 | 129 | 113 |
| 2003 | 145 | 149 |
| 2004 | 140 | 222 |
| 2005 | 125 | 257 |
| 2006 | 167 | 240 |
| 2007 | 148 | 233 |
| 2008 | 107 | 228 |
| 2009 | 70 | 229 |
| 2010 | 93 | 252 |
| 2011 | 81 | 244 |
| 2012 | 137 | 252 |
| 2013 | 216 | 351 |
| 2014 | 233 | 465 |
| 2015 | 273 | 416 |
| 2016 | 267 | 413 |
| 2017 | 319 | 417 |
| 2018 | 275 | 443 |
| 2019 | 385 | 460 |
| 2020 | 435 | 447 |
| 2021 | 337 | 438 |
| 2022 | 306 | 360 |
| 2023 | 295 | 352 |
| 2024 | 329 | 389 |
| 2025 | 345 | 318 |
| 2026 | 189 | 230 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B23K 9/10Arc welding or cutting: other electric circuits therefor1,812
- B23K 9/16Making use of shielding gas1,676
- B23K 9/095Monitoring or automatic control of welding parameters1,634
- B23K 9/12Automatic feeding or moving of electrodes or work for spot or seam1,574
- B23K 9/32Accessories1,485
- B23K 9/02Seam welding1,376
- B23K 9/24Features related to electrodes985
- B23K 9/04Welding for other purposes than joining880
All 22 subgroupsShow fewer
- B23K 9/09Arrangements or circuits for arc welding with pulsed current or voltage680
- B23K 9/23Taking account of the properties of the materials to be welded504
- B23K 9/06Arrangements or circuits for starting the arc462
- B23K 9/20Stud welding347
- B23K 9/0026Arc welding or cutting: specially adapted for particular articles or work340
- B23K 9/18Submerged-arc welding205
- B23K 9/235Preliminary treatment189
- B23K 9/013Arc cutting, gouging, scarfing or desurfacing174
- B23K 9/007Spot arc welding101
- B23K 9/08Arrangements or circuits for magnetic control of the arc86
- B23K 9/0061Underwater arc welding63
- B23K 9/0008Welding without shielding means against the influence of the surrounding atmosphere32
- B23K 9/22Percussion welding21
- B23K 9/14Making use of insulated electrodes19
Recent patents
- Single phase input detection and power source protection6 Oct 2026US 12,752,361 B2Illinois Tool Works Inc.
- Life-extended electrode used in liquid-cooled plasma arc cutting torches6 Oct 2026US 12,752,362 B2
- Welding information providing apparatus6 Oct 2026US 12,752,363 B2Otos Wing Co., Ltd.
- Conductance based control system for additive manufacturing6 Oct 2026US 12,752,374 B2Procada AB
- TIG welded joint6 Oct 2026US 12,752,379 B2Jfe Steel Corporation
- System and method for adjusting welding signals8 Oct 2026US 2026/0307162 A1Lincoln Global.Inc.
- Welding guiding system providing high-quality images8 Oct 2026US 2026/0307163 A1Otos Wing Co., 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.
- Hybrid butt-lap joint, and method of production8 Oct 2026US 2026/0309174 A1His Majesty the King In Right of Canada, AS Represented By the Minister of Natural Resources
Most cited
By later US patents
- Concurrent ultrasonic weld evaluation system357US 4,712,722 AEG&G, Inc. · 1987
- System and method providing distributed welding architecture356US 6,624,388 B1The Lincoln Electric Company · 2003
- Electrosurgical method and apparatus for initiating an electrical discharge in an inert gas flow317US 4,040,426 AValleylab, Inc. · 1977
- Method and system for weld monitoring and tracking316US 6,583,386 B1Impact Engineering, Inc. · 2003
- Voice controlled welding system309US 4,641,292 A1987