Distance measuring device, friction stir welding apparatus, and friction stir welding method
US-11331745-B2 · May 17, 2022 · US
at the beginning or at the end of a weld
at the beginning or at the end of a weld · 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 | B23K20/124 |
| Official title | {at the beginning or at the end of a weld} |
| Display label | at the beginning or at the end of a weld |
| Total patents | 80 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 6 |
| 2017 | 6 |
| 2018 | 11 |
| 2019 | 8 |
| 2020 | 13 |
| 2021 | 7 |
| 2022 | 5 |
| 2023 | 11 |
| 2024 | 4 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Repairing holes created in components during bobbin friction stir welding
US-11278986-B2 · Mar 22, 2022 · US
Inspection method for aluminum weld quality
US-2022011268-A1 · Jan 13, 2022 · US
Friction stir welding tool and friction stir welding method
US-2022001486-A1 · Jan 6, 2022 · US
Inspection method for aluminum weld quality
US-11209397-B1 · Dec 28, 2021 · US
Method for manufacturing liquid cooling jacket
US-11185945-B2 · Nov 30, 2021 · US
Non-destructive method for inspecting welded aluminum plate
US-11162918-B1 · Nov 2, 2021 · US
Non-destructive method for inspecting welded aluminum plate
US-2021325344-A1 · Oct 21, 2021 · US
Detection of friction stir welding defects using specific damping capacity
US-11143624-B2 · Oct 12, 2021 · US
Methods of forming and stamping tailor friction stir welded blanks with enhanced edge stretch
US-2021237197-A1 · Aug 5, 2021 · US
Welding method using an end tab having a cutout
US-11059126-B2 · Jul 13, 2021 · US
Process for forming and quality proofing a friction stir welded plate
US-2020363376-A1 · Nov 19, 2020 · US
Detection of friction stir welding defects using specific damping capacity
US-2020363375-A1 · Nov 19, 2020 · US
Process for forming and quality proofing a friction stir welded plate
US-10837945-B1 · Nov 17, 2020 · US
Method of manufacturing liquid-cooled jacket
US-10807188-B2 · Oct 20, 2020 · US
Metal composite and metal joining method
US-10780521-B2 · Sep 22, 2020 · US
Method for manufacturing liquid cooling jacket
US-2020254556-A1 · Aug 13, 2020 · US
Distance measuring device, friction stir welding apparatus, and friction stir welding method
US-2020246908-A1 · Aug 6, 2020 · US
Joining method, method of manufacturing liquid cooling jacket, and liquid cooling jacket
US-10668559-B2 · Jun 2, 2020 · US
Method for producing liquid-cooled jacket
US-2020164462-A1 · May 28, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B23K20/124?
- CPC B23K20/124 is the Cooperative Patent Classification code for “at the beginning or at the end of a weld.”
- How many patents are filed under CPC B23K20/124 (at the beginning or at the end of a weld)?
- Our database includes 80 publications tagged with this CPC code.
- Is patent activity under CPC B23K20/124 growing?
- Publication counts under this code: 4 in 2024 vs 3 in 2025 (latest complete years).