Device and method for unwinding and inspection of metallic strip coils
US-12589424-B2 · Mar 31, 2026 · US
from reels or drums
from reels or drums · 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 | B21C47/18 |
| Official title | from reels or drums |
| Display label | from reels or drums |
| Total patents | 43 |
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 | 1 |
| 2017 | 2 |
| 2018 | 7 |
| 2019 | 7 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 7 |
| 2023 | 4 |
| 2024 | 1 |
| 2025 | 3 |
| 2026 | 1 |
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
Wire straightening solution for bulk packaging
US-12240034-B2 · Mar 4, 2025 · US
Portable cutting line
US-12226817-B2 · Feb 18, 2025 · US
Device and method for unwinding and inspection of metallic strip coils
US-2024299999-A1 · Sep 12, 2024 · US
Systems and methods for non-contact tensioning of a metal strip
US-11821066-B2 · Nov 21, 2023 · US
Wire straightening solution for bulk packaging
US-2023211404-A1 · Jul 6, 2023 · US
System and Method for Transferring Electrode Substrate From Winding Roll
US-2023034788-A1 · Feb 2, 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
Rapid quench line
US-2022349038-A1 · Nov 3, 2022 · US
Pre-ageing systems and methods using magnetic heating
US-11479837-B2 · Oct 25, 2022 · US
Portable cutting line
US-2022219348-A1 · Jul 14, 2022 · US
Systems and methods for threading a hot coil on a mill
US-11377721-B2 · Jul 5, 2022 · US
Hot-rolled steel sheet and method for manufacturing same
US-11241726-B2 · Feb 8, 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
Coiled material passing device and coiled material passing method
US-11103908-B2 · Aug 31, 2021 · US
Systems and methods for non-contact tensioning of a metal strip
US-11072843-B2 · Jul 27, 2021 · US
Compact continuous annealing solution heat treatment
US-10844467-B2 · Nov 24, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B21C47/18?
- CPC B21C47/18 is the Cooperative Patent Classification code for “from reels or drums.”
- How many patents are filed under CPC B21C47/18 (from reels or drums)?
- Our database includes 43 publications tagged with this CPC code.
- Is patent activity under CPC B21C47/18 growing?
- Publication counts under this code: 1 in 2024 vs 3 in 2025 (latest complete years).