Rolling apparatus for secondary battery electrode sheet, cathode electrode manufactured thereby and secondary battery
US-2023311180-A1 · Oct 5, 2023 · US
Rolls for sheets or strips
Rolls for sheets or strips · 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 | B21B27/021 |
| Official title | {Rolls for sheets or strips} |
| Display label | Rolls for sheets or strips |
| Total patents | 84 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 5 |
| 2017 | 9 |
| 2018 | 2 |
| 2019 | 6 |
| 2020 | 7 |
| 2021 | 4 |
| 2022 | 11 |
| 2023 | 8 |
| 2024 | 11 |
| 2025 | 8 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Nip roller, pole piece flattening equipment and pole piece production system
US-2023256488-A1 · Aug 17, 2023 · US
Centrifugally cast composite roll for hot rolling
US-11712723-B2 · Aug 1, 2023 · US
Rolling mill and rolling method for metal plate
US-2023107171-A1 · Apr 6, 2023 · US
Single-sided tower-type roller system based asynchronous rolling mill for rolling ultra-thin composite strip and hydraulic system
US-2023066668-A1 · Mar 2, 2023 · US
Rolling mill for diameter reducing rolling and method for manufacturing strip material
US-2022388048-A1 · Dec 8, 2022 · US
Centrifugally cast composite roll for hot rolling
US-2022339685-A1 · Oct 27, 2022 · US
High-strength thin-gauge checkered steel plate/strip and manufacturing method therefor
US-2022340994-A1 · Oct 27, 2022 · US
Method and plant for producing flat rolled products
US-2022288659-A1 · Sep 15, 2022 · US
Cold rolling of rolled stock
US-2022258220-A1 · Aug 18, 2022 · US
Locally changing the roll gap in the region of the strip edges of a rolled strip
US-11413669-B2 · Aug 16, 2022 · US
Centrifugally cast composite roll for rolling and its production method
US-11389847-B2 · Jul 19, 2022 · US
Device having free-running cooling rollers for producing a fibre composite material in the form of a fibre strip impregnated with polymer
US-11383464-B2 · Jul 12, 2022 · US
Press roll apparatus and method for controlling press roll apparatus
US-2022134400-A1 · May 5, 2022 · US
Changing the effective contour of a running surface of a working roll during hot rolling of rolling stock in a roll stand to form a rolled strip
US-2022126337-A1 · Apr 28, 2022 · US
Hot-dip galvanized steel sheet having excellent surface appearance and low-temperature bonding brittleness
US-2022024181-A1 · Jan 27, 2022 · US
Method and device for structurally conditioning a roll
US-11110564-B2 · Sep 7, 2021 · US
Centrifugally cast composite roll for rolling and its production method
US-2021154712-A1 · May 27, 2021 · US
Device having free-running cooling rollers for producing a fibre composite material in the form of a fibre strip impregnated with polymer, a method for producing said fibre strip, an impregnated fibre strip and a multi-layer composite produced from the impregnated fibre strip
US-2021129459-A1 · May 6, 2021 · US
Systems and methods for containing viscous materials in roll processing
US-10953447-B2 · Mar 23, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B21B27/021?
- CPC B21B27/021 is the Cooperative Patent Classification code for “Rolls for sheets or strips.”
- How many patents are filed under CPC B21B27/021 (Rolls for sheets or strips)?
- Our database includes 84 publications tagged with this CPC code.
- Is patent activity under CPC B21B27/021 growing?
- Publication counts under this code: 11 in 2024 vs 8 in 2025 (latest complete years).