Method and device for joining elements to components
US-12325095-B2 · Jun 10, 2025 · US
Stud welding
Stud welding · 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 | B23K9/20 |
| Official title | Stud welding |
| Display label | Stud welding |
| Total patents | 57 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 5 |
| 2017 | 4 |
| 2018 | 2 |
| 2019 | 8 |
| 2020 | 9 |
| 2021 | 3 |
| 2022 | 6 |
| 2023 | 5 |
| 2024 | 3 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Automatic process and/or set up of welding type system
US-2025162055-A1 · May 22, 2025 · US
Stud welding process and stud welding device for welding a stud to a workpiece
US-12220775-B2 · Feb 11, 2025 · US
Automatic process and/or set up of welding type system
US-12202082-B2 · Jan 21, 2025 · US
Bolt and fastening arrangement
US-11958146-B2 · Apr 16, 2024 · US
Welding device
US-2024042540-A1 · Feb 8, 2024 · US
Welding device
US-2024009751-A1 · Jan 11, 2024 · US
Welding device
US-11850689-B2 · Dec 26, 2023 · US
Collet assembly for fastener feeding apparatus
US-11801567-B2 · Oct 31, 2023 · US
Resistance spot rivet welding systems and methods of use thereof
US-11684992-B2 · Jun 27, 2023 · US
Method and device for joining elements to components
US-2023125406-A1 · Apr 27, 2023 · US
Method and device for joining elements to components
US-11541476-B2 · Jan 3, 2023 · US
Method and control unit for controlling a joining station
US-11534850-B2 · Dec 27, 2022 · US
Welding element and welding method for connecting a weld element to a workpiece
US-11517973-B2 · Dec 6, 2022 · US
Welding apparatus
US-11511366-B2 · Nov 29, 2022 · US
Joining apparatus and method for loading a joining element
US-11453080-B2 · Sep 27, 2022 · US
Stud welding process and stud welding device for welding a stud to a workpiece
US-2022152722-A1 · May 19, 2022 · US
Welding device
US-2022072645-A1 · Mar 10, 2022 · US
Automatic process and/or set up of welding type system
US-2021154762-A1 · May 27, 2021 · US
Tool and method for joining material layers
US-10946468-B2 · Mar 16, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B23K9/20?
- CPC B23K9/20 is the Cooperative Patent Classification code for “Stud welding.”
- How many patents are filed under CPC B23K9/20 (Stud welding)?
- Our database includes 57 publications tagged with this CPC code.
- Is patent activity under CPC B23K9/20 growing?
- Publication counts under this code: 3 in 2024 vs 4 in 2025 (latest complete years).