Finishing tool
US-2026042153-A1 · Feb 12, 2026 · US
designed for working external surfaces of revolution
designed for working external surfaces of revolution · 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 | B24B39/04 |
| Official title | designed for working external surfaces of revolution |
| Display label | designed for working external surfaces of revolution |
| Total patents | 34 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 8 |
| 2019 | 2 |
| 2020 | 5 |
| 2021 | 5 |
| 2022 | 1 |
| 2023 | 1 |
| 2025 | 6 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Intelligent surface burnishing tool system
US-2026001195-A1 · Jan 1, 2026 · US
Multi-axis deep rolling tool for hollow fan blade complex edge base enhancing corrosion resistance
US-2025303458-A1 · Oct 2, 2025 · US
Robotic deep rolling tool design for surface texturing to control friction and coating bonding
US-2025303519-A1 · Oct 2, 2025 · US
Machine learning device, machined state prediction device, and control device
US-12326698-B2 · Jun 10, 2025 · US
Robotic deep rolling tool design for mechanical surface treatment of extremely complex and tight clearance blade root geometry
US-2025162017-A1 · May 22, 2025 · US
Robotic deep rolling tool design for mechanical surface treatment of complex blade root geometry
US-2025162011-A1 · May 22, 2025 · US
Hydraulic shock absorber and method for manufacturing same
US-12241521-B2 · Mar 4, 2025 · US
Machine learning device, machined state prediction device, and control device
US-2023103837-A1 · Apr 6, 2023 · US
Rolling component, bearing, and method of manufacturing the same
US-11371559-B2 · Jun 28, 2022 · US
Tool and method for mechanical surface treatment
US-2021379727-A1 · Dec 9, 2021 · US
Method for machining a bearing ring and for producing a rolling bearing
US-2021339305-A1 · Nov 4, 2021 · US
Burnishing tool
US-11154962-B2 · Oct 26, 2021 · US
Hydraulic shock absorber and method for manufacturing same
US-2021293298-A1 · Sep 23, 2021 · US
Rolling Component, Bearing, and Method of Manufacturing the Same
US-2021071711-A1 · Mar 11, 2021 · US
Burnishing machine
US-10792787-B2 · Oct 6, 2020 · US
Deep rolling tool and method
US-10786883-B2 · Sep 29, 2020 · US
Machine tool and plastic forming method
US-10639753-B2 · May 5, 2020 · US
Burnishing tool and method of manufacturing the same
US-10603764-B2 · Mar 31, 2020 · US
Burnishing machine
US-2020009704-A1 · Jan 9, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B24B39/04?
- CPC B24B39/04 is the Cooperative Patent Classification code for “designed for working external surfaces of revolution.”
- How many patents are filed under CPC B24B39/04 (designed for working external surfaces of revolution)?
- Our database includes 34 publications tagged with this CPC code.
- Is patent activity under CPC B24B39/04 growing?
- Publication counts under this code: 1 in 2023 vs 6 in 2025 (latest complete years).