Method of determining tension pattern and method of coiling steel sheet
US-12440880-B2 · Oct 14, 2025 · US
on or in reels or drums, without using a moving guide
on or in reels or drums, without using a moving guide · 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 | B21C47/04 |
| Official title | on or in reels or drums, without using a moving guide |
| Display label | on or in reels or drums, without using a moving guide |
| Total patents | 64 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 6 |
| 2019 | 5 |
| 2020 | 1 |
| 2021 | 5 |
| 2022 | 5 |
| 2023 | 5 |
| 2024 | 8 |
| 2025 | 18 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Thin metal strip winding method and thin metal strip winding system
US-2025304392-A1 · Oct 2, 2025 · US
Thin metal strip winding method and thin metal strip winding system
US-2025304391-A1 · Oct 2, 2025 · US
Apparatus and method for making a coil, preferably for an electrochemical cell intended for the production of batteries
US-2025266487-A1 · Aug 21, 2025 · US
Hot-rolled steel sheet and manufacturing method thereof
US-12344913-B2 · Jul 1, 2025 · US
Method for preventing shape changes in metal coils, in particualr for preventing a collapsing of newly wound hot coils
US-12318834-B2 · Jun 3, 2025 · US
Apparatus and Method for Making a Coil, Preferably for an Electrochemical Cell Intended for the Production of Batteries
US-2025158102-A1 · May 15, 2025 · US
Apparatus and Method for Making a Coil, Preferably for an Electrochemical Cell Intended for the Production of Batteries
US-2025158103-A1 · May 15, 2025 · US
Apparatus and Method for Making a Coil, Preferably for an Electrochemical Cell Intended for the Production of Batteries
US-2025149617-A1 · May 8, 2025 · US
Apparatus and Method for Making a Coil, Preferably for an Electrochemical Cell Intended for the Production of Batteries
US-2025100037-A1 · Mar 27, 2025 · US
Sensing and offsetting the force of events in a coil forming operation
US-12240021-B2 · Mar 4, 2025 · US
Winding module and winding installation for metal wires
US-12240728-B2 · Mar 4, 2025 · US
Apparatus and Method for Making a Coil, Preferably for an Electrochemical Cell Intended for the Production of Batteries
US-2025070214-A1 · Feb 27, 2025 · US
Apparatus and Method for Making a Coil, Preferably for an Electrochemical Cell Intended for the Production of Batteries
US-2025042682-A1 · Feb 6, 2025 · US
Overlapping and progressive forming method for high-performance multi-element NiAl-based alloy tubular part
US-12172203-B2 · Dec 24, 2024 · US
Winding device and winding method
US-2024313253-A1 · Sep 19, 2024 · US
Method for Mitigating the Effects of Coil Collapse on Hot Strip Mill Coils
US-2024269724-A1 · Aug 15, 2024 · US
Sectional drain cleaner cable system for clean use, storage, and transport
US-12059719-B2 · Aug 13, 2024 · US
Wire winding device and wire treatment system
US-12023721-B2 · Jul 2, 2024 · US
Method for mitigating the effects of coil collapse on hot strip mill coils
US-11998966-B2 · Jun 4, 2024 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B21C47/04?
- CPC B21C47/04 is the Cooperative Patent Classification code for “on or in reels or drums, without using a moving guide.”
- How many patents are filed under CPC B21C47/04 (on or in reels or drums, without using a moving guide)?
- Our database includes 64 publications tagged with this CPC code.
- Is patent activity under CPC B21C47/04 growing?
- Publication counts under this code: 8 in 2024 vs 18 in 2025 (latest complete years).