Rolling apparatus for secondary battery electrode sheet, cathode electrode manufactured thereby and secondary battery
US-12440877-B2 · Oct 14, 2025 · US
Feeding or supporting work; Braking or tensioning arrangements {, e.g. threading arrangements}
Feeding or supporting work; Braking or tensioning arrangements {, e.g. threading arrangements} · 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 | B21B39/02 |
| Official title | Feeding or supporting work; Braking or tensioning arrangements {, e.g. threading arrangements} |
| Display label | Feeding or supporting work; Braking or tensioning arrangements {, e.g. threading arrangements} |
| Total patents | 63 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 5 |
| 2017 | 9 |
| 2018 | 8 |
| 2019 | 8 |
| 2020 | 7 |
| 2021 | 6 |
| 2022 | 4 |
| 2023 | 5 |
| 2024 | 2 |
| 2025 | 4 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pre-ageing systems and methods using magnetic heating
US-12338520-B2 · Jun 24, 2025 · US
Processing method and plant for welding metal strips
US-12208431-B2 · Jan 28, 2025 · US
Method and control device for operating a strip treatment installation for processing a strip, in particular a metal strip or rolling material
US-2024307936-A1 · Sep 19, 2024 · US
Method and device for ascertaining the lateral strip contour or the position of the strip edges of a running metal strip
US-11975372-B2 · May 7, 2024 · US
Systems and methods for non-contact tensioning of a metal strip
US-11821066-B2 · Nov 21, 2023 · US
Processing method and plant for welding metal strips
US-2023330728-A1 · Oct 19, 2023 · US
Rolling apparatus for secondary battery electrode sheet, cathode electrode manufactured thereby and secondary battery
US-2023311180-A1 · Oct 5, 2023 · US
Cooling of an obliquely positioned flat rolled product
US-11660648-B2 · May 30, 2023 · US
Pre-ageing systems and methods using magnetic heating
US-2023002876-A1 · Jan 5, 2023 · US
Systems and methods for threading a hot coil on a mill
US-11499213-B2 · Nov 15, 2022 · US
Pre-ageing systems and methods using magnetic heating
US-11479837-B2 · Oct 25, 2022 · US
Systems and methods for threading a hot coil on a mill
US-11377721-B2 · Jul 5, 2022 · US
Systems and methods for threading a hot coil on a mill
US-11242586-B2 · Feb 8, 2022 · US
Systems and methods for non-contact tensioning of a metal strip
US-2021310107-A1 · Oct 7, 2021 · US
Method and device for ascertaining the lateral strip contour or the position of the strip edges of a running metal strip
US-2021260635-A1 · Aug 26, 2021 · US
Incremental rotary rolling mill and method
US-11077477-B2 · Aug 3, 2021 · US
Systems and methods for non-contact tensioning of a metal strip
US-11072843-B2 · Jul 27, 2021 · US
Cooling of an obliquely positioned flat rolled product
US-2021178444-A1 · Jun 17, 2021 · US
Cooling of an obliquely positioned flat rolled product
US-10960447-B2 · Mar 30, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B21B39/02?
- CPC B21B39/02 is the Cooperative Patent Classification code for “Feeding or supporting work; Braking or tensioning arrangements {, e.g. threading arrangements}.”
- How many patents are filed under CPC B21B39/02 (Feeding or supporting work; Braking or tensioning arrangements {, e.g. threading arrangements})?
- Our database includes 63 publications tagged with this CPC code.
- Is patent activity under CPC B21B39/02 growing?
- Publication counts under this code: 2 in 2024 vs 4 in 2025 (latest complete years).