Method for detecting power of welding laser light and laser welding system
US-2024424610-A1 · Dec 26, 2024 · US
Weld quality monitoring
Weld quality monitoring · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B23K31/125 |
| Official title | {Weld quality monitoring} |
| Display label | Weld quality monitoring |
| Total patents | 1,140 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 39 |
| 2016 | 39 |
| 2017 | 49 |
| 2018 | 72 |
| 2019 | 98 |
| 2020 | 110 |
| 2021 | 98 |
| 2022 | 130 |
| 2023 | 135 |
| 2024 | 184 |
| 2025 | 153 |
| 2026 | 33 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Computer modeling for detection of discontinuities in welded structures
US-2024316670-A1 · Sep 26, 2024 · US
Information processing device, information processing method, computer program product, and welding system
US-2024242379-A1 · Jul 18, 2024 · US
Welding portion inspection device and inspection method therefore, with extracting portion for extracting evaporation luminescence and thermal radiation
US-9527166-B2 · Dec 27, 2016 · US
Device for measuring and collecting oxygen concentration data in welding processes
US-2016339534-A1 · Nov 24, 2016 · US
Quality check system of spot welding
US-2016318117-A1 · Nov 3, 2016 · US
Synchronized image capture for welding machine vision
US-2016193681-A1 · Jul 7, 2016 · US
Automated welding translation platform
US-2016193680-A1 · Jul 7, 2016 · US
Method for producing a built hollow valve
US-9382820-B2 · Jul 5, 2016 · US
Material inspection device
US-2016178582-A1 · Jun 23, 2016 · US
System for evaluating weld quality using eddy currents
US-2016178581-A1 · Jun 23, 2016 · US
Method for positioning a welding head by means of microwaves
US-9327362-B2 · May 3, 2016 · US
Non-destructive aluminum weld quality estimator
US-9314878-B2 · Apr 19, 2016 · US
Turbocharger shaft and wheel assembly
US-2016074964-A1 · Mar 17, 2016 · US
System and Method of Making a Welded Assembly
US-2016074970-A1 · Mar 17, 2016 · US
Welding Control System
US-2016077519-A1 · Mar 17, 2016 · US
Welded portion inspection apparatus and inspection method thereof, with inspection in different zones of the molten pool
US-2016052091-A1 · Feb 25, 2016 · US
Devices and methods for analyzing spatter generating events
US-2016052076-A1 · Feb 25, 2016 · US
Laser apparatus for welding
US-2016031039-A1 · Feb 4, 2016 · US
Soldering iron with automatic soldering connection validation
US-2016031044-A1 · Feb 4, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B23K31/125?
- CPC B23K31/125 is the Cooperative Patent Classification code for “Weld quality monitoring.”
- How many patents are filed under CPC B23K31/125 (Weld quality monitoring)?
- Our database includes 1,140 publications tagged with this CPC code.
- Is patent activity under CPC B23K31/125 growing?
- Publication counts under this code: 184 in 2024 vs 153 in 2025 (latest complete years).