B23K 31/12
Relating to investigating the properties
Official title: relating to investigating the properties, e.g. the weldability, of materials
B23K31/12 (Relating to investigating the properties) appears on 997 US grants and 1,386 published applications in this corpus.
Search patents in B23K- Granted patents
- 997
- Published applications
- 1,386
- Assignees
- 654
- Inventors
- 3,309
- 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 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 7 | 0 |
| 1993 | 6 | 0 |
| 1994 | 6 | 0 |
| 1995 | 6 | 0 |
| 1996 | 11 | 0 |
| 1997 | 6 | 0 |
| 1998 | 9 | 0 |
| 1999 | 9 | 0 |
| 2000 | 11 | 0 |
| 2001 | 21 | 3 |
| 2002 | 16 | 10 |
| 2003 | 11 | 14 |
| 2004 | 15 | 28 |
| 2005 | 13 | 27 |
| 2006 | 17 | 18 |
| 2007 | 14 | 24 |
| 2008 | 10 | 25 |
| 2009 | 13 | 21 |
| 2010 | 18 | 32 |
| 2011 | 14 | 21 |
| 2012 | 14 | 23 |
| 2013 | 20 | 42 |
| 2014 | 27 | 41 |
| 2015 | 44 | 56 |
| 2016 | 34 | 48 |
| 2017 | 33 | 53 |
| 2018 | 39 | 61 |
| 2019 | 42 | 98 |
| 2020 | 67 | 82 |
| 2021 | 47 | 92 |
| 2022 | 68 | 115 |
| 2023 | 59 | 120 |
| 2024 | 95 | 139 |
| 2025 | 90 | 110 |
| 2026 | 66 | 83 |
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
- 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
- Electrode Tab Bonding Equipment and Electrode Tab Bonding Method1 Oct 2026US 2026/0302554 A1LG Energy Solution, Ltd.
- Method and system of welding for inductive windings of electrical machines1 Oct 2026US 2026/0302905 A1ATOP S.p.A.
- Method for determining an optimized welding direction for a jointing plane; method for determining an optimized jointing plane for the joining of two parts; and method for welding two parts24 Sep 2026US 2026/0284799 A1Safran Aircraft Engines
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
- Automatic welding device and welding skill training device192US 6,750,428 B2Kabushiki Kaisha Yaskawa Denki · 2004
- Method and system for assessing quality of spot welds176US 7,132,617 B2DaimlerChrysler AG · 2006