Roller and rolling apparatus
US-2025135516-A1 · May 1, 2025 · 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 | B21B27/032 |
| Official title | {Rolls for sheets or strips} |
| Display label | Rolls for sheets or strips |
| Total patents | 35 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 5 |
| 2017 | 8 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 6 |
| 2022 | 3 |
| 2023 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Centrifugally cast composite roll for hot rolling
US-11712723-B2 · Aug 1, 2023 · US
Composite cemented carbide roll, and production method of composite cemented carbide roll
US-11590545-B2 · Feb 28, 2023 · US
Centrifugally cast composite roll for hot rolling
US-2022339685-A1 · Oct 27, 2022 · US
Centrifugally cast composite roll for rolling and its production method
US-11389847-B2 · Jul 19, 2022 · US
Composite roll for rolling and its production method
US-11224907-B2 · Jan 18, 2022 · US
Composite cemented carbide roll, and production method of composite cemented carbide roll
US-2021370371-A1 · Dec 2, 2021 · US
Outer layer of rolling roll and composite roll for rolling
US-11052440-B2 · Jul 6, 2021 · US
Composite cemented carbide roll
US-11045849-B2 · Jun 29, 2021 · US
Centrifugally cast composite roll for rolling and its production method
US-2021154712-A1 · May 27, 2021 · US
Composite cemented carbide roll
US-2021121925-A1 · Apr 29, 2021 · US
Composite roll for rolling
US-10947611-B2 · Mar 16, 2021 · US
Outer layer of rolling roll and composite roll for rolling
US-2020298294-A1 · Sep 24, 2020 · US
Composite roll for rolling and its production method
US-2019366402-A1 · Dec 5, 2019 · US
Composite roll for rolling
US-2019352753-A1 · Nov 21, 2019 · US
Roll for hot rolling
US-9993858-B2 · Jun 12, 2018 · US
Roll surface layer material for hot rolling with excellent fatigue resistance produced by centrifugal casting, and composite roll for hot rolling produced through centrifugal casting
US-9975158-B2 · May 22, 2018 · US
Centrifugally cast, hot-rolling composite roll
US-9815098-B2 · Nov 14, 2017 · US
Centrifugally cast composite roll for hot rolling and its production method
US-9757779-B2 · Sep 12, 2017 · US
Centrifugally cast composite roll and its production method
US-9724740-B2 · Aug 8, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B21B27/032?
- CPC B21B27/032 is the Cooperative Patent Classification code for “Rolls for sheets or strips.”
- How many patents are filed under CPC B21B27/032 (Rolls for sheets or strips)?
- Our database includes 35 publications tagged with this CPC code.
- Is patent activity under CPC B21B27/032 growing?
- Publication counts under this code: 2 in 2023 vs 1 in 2025 (latest complete years).