B23K 26/02
Positioning or observing the workpiece
Official title: Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
B23K26/02 (Positioning or observing the workpiece) appears on 8,910 US grants and 10,904 published applications in this corpus.
Search patents in B23K- Granted patents
- 8,910
- Published applications
- 10,904
- Assignees
- 3,111
- Inventors
- 17,701
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 14 | 0 |
| 1978 | 27 | 0 |
| 1979 | 8 | 0 |
| 1980 | 17 | 0 |
| 1981 | 23 | 0 |
| 1982 | 22 | 0 |
| 1983 | 25 | 0 |
| 1984 | 27 | 0 |
| 1985 | 45 | 0 |
| 1986 | 39 | 0 |
| 1987 | 79 | 0 |
| 1988 | 57 | 0 |
| 1989 | 58 | 0 |
| 1990 | 64 | 0 |
| 1991 | 78 | 0 |
| 1992 | 86 | 0 |
| 1993 | 72 | 0 |
| 1994 | 99 | 0 |
| 1995 | 71 | 0 |
| 1996 | 86 | 0 |
| 1997 | 99 | 0 |
| 1998 | 111 | 0 |
| 1999 | 115 | 0 |
| 2000 | 142 | 0 |
| 2001 | 165 | 69 |
| 2002 | 193 | 245 |
| 2003 | 215 | 237 |
| 2004 | 212 | 290 |
| 2005 | 163 | 389 |
| 2006 | 189 | 361 |
| 2007 | 149 | 299 |
| 2008 | 155 | 341 |
| 2009 | 176 | 305 |
| 2010 | 265 | 301 |
| 2011 | 199 | 281 |
| 2012 | 248 | 295 |
| 2013 | 254 | 306 |
| 2014 | 261 | 313 |
| 2015 | 249 | 364 |
| 2016 | 262 | 444 |
| 2017 | 294 | 537 |
| 2018 | 271 | 541 |
| 2019 | 433 | 642 |
| 2020 | 485 | 623 |
| 2021 | 414 | 706 |
| 2022 | 453 | 720 |
| 2023 | 420 | 694 |
| 2024 | 500 | 645 |
| 2025 | 470 | 551 |
| 2026 | 338 | 405 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Laser welding monitoring device and laser welding monitoring method6 Oct 2026US 12,752,368 B2Amada Company, Limited
- Laser machining apparatus6 Oct 2026US 12,752,369 B2Mitsubishi Electric Corporation
- Laser welding apparatus and laser welding method6 Oct 2026US 12,752,370 B2NHK Spring Co., Ltd.
- Femtosecond laser surface processing for controlled fill and targeted deposition6 Oct 2026US 12,752,371 B1Honeywell Federal Manufacturing & Technologies, LLC
- Laser beam irradiation apparatus6 Oct 2026US 12,752,372 B2Disco Corporation
- Laser processing method, laser processing device, and processing result estimation method8 Oct 2026US 2026/0307167 A1Hamamatsu Photonics K.K.
- Methods of patterning substrates8 Oct 2026US 2026/0307168 A1University of Rochester
- Laser machining system for a timepiece component and laser machining process8 Oct 2026US 2026/0307169 A1Rolex SA
- Coaxial laser hotwire head8 Oct 2026US 2026/0307170 A1Illinois Tool Works Inc.
- Additive manufacturing systems and related methods utilizing risley prism beam steering8 Oct 2026US 2026/0307171 A1VulcanForms Inc.
Most cited
By later US patents
- Method and apparatus for direct laser cutting of metal stents552US 5,780,807 AAdvanced Cardiovascular Systems, Inc. · 1998
- Copper conductor annealing process employing high speed optical annealing with a low temperature-deposited optical absorber layer534US 7,335,611 B2APPLIED Materials.Inc. · 2008
- Apparatus for tracking moving workpiece by a laser beam491US 4,063,064 ACoherent Radiation · 1977
- Ultrashort pulse high repetition rate laser system for biological tissue processing480US 5,720,894 AThe Regents of the University of California · 1998
- Apparatus and method for manufacturing a semiconductor device472US 10,103,040 B1ASM IP Holding B. V. · 2018