Friction stir welding attachment, friction stir welding head, and friction stir welding device
US-2024066622-A1 · Feb 29, 2024 · US
Rotary tool drive mechanism
Rotary tool drive mechanism · 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 | B23K20/125 |
| Official title | {Rotary tool drive mechanism} |
| Display label | Rotary tool drive mechanism |
| Total patents | 220 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 17 |
| 2016 | 9 |
| 2017 | 19 |
| 2018 | 15 |
| 2019 | 23 |
| 2020 | 12 |
| 2021 | 23 |
| 2022 | 25 |
| 2023 | 17 |
| 2024 | 26 |
| 2025 | 27 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Friction spot joining device and friction spot joining method
US-2018354064-A1 · Dec 13, 2018 · US
Friction stir spot joining apparatus and friction stir spot joining method
US-2018304401-A1 · Oct 25, 2018 · US
Friction stir welding equipment
US-2018297146-A1 · Oct 18, 2018 · US
Weld stub arrangement and a method of using the arrangement to make an article
US-2018243857-A1 · Aug 30, 2018 · US
Joining method and method for manufacturing heat sink
US-2018207745-A1 · Jul 26, 2018 · US
Friction stir welding apparatus
US-9975201-B2 · May 22, 2018 · US
Friction stir welding apparatus with an L-shaped support
US-9975200-B2 · May 22, 2018 · US
Method and device for improving the quality of the weld seam in friction stir welding
US-9956644-B2 · May 1, 2018 · US
Joining method for forming a joint structure of different materials using a peripheral groove
US-9944332-B2 · Apr 17, 2018 · US
Method for producing metal member
US-2018056438-A1 · Mar 1, 2018 · US
Apparatuses and methods for fabricating metal matrix composite structures
US-2018050420-A1 · Feb 22, 2018 · US
Joining method and method for manufacturing composite rolled material
US-2018043465-A1 · Feb 15, 2018 · US
Friction stir welding apparatus for structural steel
US-2018043466-A1 · Feb 15, 2018 · US
Method for manufacturing heat exchanger plate and method for friction stir welding
US-2018043483-A1 · Feb 15, 2018 · US
Butt welding method and friction stir welding tool
US-9849541-B2 · Dec 26, 2017 · US
Systems and methods for pulsed friction and friction stir welding
US-2017361394-A1 · Dec 21, 2017 · US
Friction stir spot welding apparatus, friction stir spot welding method, and perpendicular-to-plane detection device for use in friction stir spot welding
US-9839973-B2 · Dec 12, 2017 · US
Subframe structure
US-9834257-B2 · Dec 5, 2017 · US
Friction stir spot welding apparatus and friction stir spot welding method
US-2017341176-A1 · Nov 30, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B23K20/125?
- CPC B23K20/125 is the Cooperative Patent Classification code for “Rotary tool drive mechanism.”
- How many patents are filed under CPC B23K20/125 (Rotary tool drive mechanism)?
- Our database includes 220 publications tagged with this CPC code.
- Is patent activity under CPC B23K20/125 growing?
- Publication counts under this code: 26 in 2024 vs 27 in 2025 (latest complete years).