B23K 31/125
Weld quality monitoring
Official title: {Weld quality monitoring}
B23K31/125 (Weld quality monitoring) appears on 675 US grants and 1,056 published applications in this corpus.
Search patents in B23K- Granted patents
- 675
- Published applications
- 1,056
- Assignees
- 490
- Inventors
- 2,460
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 8 | 2 |
| 2002 | 5 | 3 |
| 2003 | 6 | 6 |
| 2004 | 5 | 17 |
| 2005 | 8 | 10 |
| 2006 | 9 | 10 |
| 2007 | 6 | 4 |
| 2008 | 4 | 10 |
| 2009 | 5 | 9 |
| 2010 | 6 | 17 |
| 2011 | 6 | 7 |
| 2012 | 5 | 14 |
| 2013 | 10 | 28 |
| 2014 | 17 | 27 |
| 2015 | 23 | 28 |
| 2016 | 19 | 39 |
| 2017 | 22 | 43 |
| 2018 | 29 | 54 |
| 2019 | 36 | 81 |
| 2020 | 58 | 75 |
| 2021 | 39 | 79 |
| 2022 | 55 | 100 |
| 2023 | 54 | 107 |
| 2024 | 84 | 119 |
| 2025 | 78 | 98 |
| 2026 | 56 | 69 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Laser welding monitoring device and laser welding monitoring method6 Oct 2026US 12,752,368 B2Amada Company, Limited
- Welding measuring system and welding measuring method29 Sep 2026US 12,746,624 B2Hitachi Construction Machinery Co., Ltd.
- Multi-resolution audio defect detection in welding29 Sep 2026US 12,746,625 B2International Business Machines Corporation
- Control of additive manufacturing systems including multiple laser energy sources29 Sep 2026US 12,746,721 B2VulcanForms Inc.
- Processing device, detecting system, processing method, inspection method, and storage medium22 Sep 2026US 12,741,342 B2Kabushiki Kaisha Toshiba
- Welding guiding system providing high-quality images8 Oct 2026US 2026/0307163 A1Otos Wing Co., Ltd.
- Weld seam detection method and apparatus, electronic device, and storage medium8 Oct 2026US 2026/0307180 A1Contemporary Amperex Technology Co., Limited
- Method and system of welding for inductive windings of electrical machines1 Oct 2026US 2026/0302905 A1ATOP S.p.A.
- Welding assistance device, welding assistance method, and program24 Sep 2026US 2026/0284800 A1Mitsubishi Heavy Industries, Ltd.
- Apparatus and method for inspecting additively manufactured structure24 Sep 2026US 2026/0284801 A1Electronics and Telecommunications Research Institute
Most cited
By later US patents
- Method and system for weld monitoring and tracking316US 6,583,386 B1Impact Engineering, Inc. · 2003
- Monitor for electric arc welder257US 6,441,342 B1Lincoln Global.Inc. · 2002
- Method and apparatus for assessing weld quality196US 6,236,017 B1Bechtel BWXT Idaho, LLC · 2001
- Method and system for assessing quality of spot welds176US 7,132,617 B2DaimlerChrysler AG · 2006
- Method and apparatus for in-process sensing of manufacturing quality163US 6,857,553 B1The United States of America as represented by the United States Department of Energy · 2005