Pre-ageing systems and methods using magnetic heating
US-12338520-B2 · Jun 24, 2025 · US
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Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only (coiling wire into particular forms B21F3/00)
Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only (coiling wire into particular forms B21F3/00) · 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 | B21C47/00 |
| Official title | Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only (coiling wire into particular forms B21F3/00) |
| Display label | Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only (coiling wire into particular forms B21F3/00) |
| Total patents | 24 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2018 | 7 |
| 2019 | 5 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 4 |
| 2023 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Systems and methods for non-contact tensioning of a metal strip
US-11821066-B2 · Nov 21, 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
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
Magnetic levitation heating of metal with controlled surface quality
US-10837090-B2 · Nov 17, 2020 · US
Rapid heating of sheet metal blanks for stamping
US-10508328-B2 · Dec 17, 2019 · US
Systems and methods for threading a hot coil on a mill
US-2019330725-A1 · Oct 31, 2019 · US
Systems and methods for threading a hot coil on a mill
US-2019309404-A1 · Oct 10, 2019 · US
Systems and methods for threading a hot coil on a mill
US-2019309403-A1 · Oct 10, 2019 · US
Systems and methods for threading a hot coil on a mill
US-10370749-B2 · Aug 6, 2019 · US
Shape-correcting and rolling method and shape-correcting device for high-strength steel
US-10086418-B2 · Oct 2, 2018 · US
Systems and methods for non-contact tensioning of a metal strip
US-2018085805-A1 · Mar 29, 2018 · US
Pre-ageing systems and methods using magnetic heating
US-2018087122-A1 · Mar 29, 2018 · US
Rapid heating of sheet metal blanks for stamping
US-2018085810-A1 · Mar 29, 2018 · US