Roll press device and control device
US-2021394246-A1 · Dec 23, 2021 · US
for rolling foils which present special problems, e.g. because of thinness
for rolling foils which present special problems, e.g. because of thinness · 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 | B21B1/40 |
| Official title | for rolling foils which present special problems, e.g. because of thinness |
| Display label | for rolling foils which present special problems, e.g. because of thinness |
| Total patents | 112 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 10 |
| 2017 | 4 |
| 2018 | 7 |
| 2019 | 19 |
| 2020 | 8 |
| 2021 | 9 |
| 2022 | 11 |
| 2023 | 5 |
| 2024 | 18 |
| 2025 | 14 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Rolled copper foil for negative electrode current collector of secondary battery, negative electrode of secondary battery and secondary battery using the rolled copper, and method for manufacturing rolled copper foil for negative electrode current collector of secondary battery
US-11108052-B2 · Aug 31, 2021 · US
Metal lithium strip, pre-lithiated electrode plate, pre-lithiation process, secondary battery, preparation process of the secondary battery, and apparatus
US-2021262066-A1 · Aug 26, 2021 · US
Metal Plate, Electrochemical Element, Electrochemical Module, Electrochemical Device, Energy System, Solid Oxide Fuel Cell, and Method for Manufacturing Metal Plate
US-2021119224-A1 · Apr 22, 2021 · US
Fe-Cr ALLOY, METHOD FOR PRODUCING SAME, AND RESISTANCE HEATING ELEMENT
US-2021059019-A1 · Feb 25, 2021 · US
Preventing worn edges when rolling flat rolled products
US-2021046529-A1 · Feb 18, 2021 · US
Negative electrode current collector foil including iron based alloy layer sandwiched between copper layers and method for manufacturing the same
US-10868310-B2 · Dec 15, 2020 · US
Battery electrode foil for the production of lithium-ion accumulators
US-2020328426-A1 · Oct 15, 2020 · US
Polymers and the use thereof as lubricating agents in the production of alkali metal films
US-2020291323-A1 · Sep 17, 2020 · US
Polymers and the use thereof as lubricating agents in the production of alkali metal films
US-10711218-B2 · Jul 14, 2020 · US
Aluminum foil, electronic component wiring board manufactured using the same, and method of manufacturing aluminum foil
US-10706985-B2 · Jul 7, 2020 · US
Metal plate, method of manufacturing metal plate, and method of manufacturing mask by using metal plate
US-2020185607-A1 · Jun 11, 2020 · US
Metal plate for producing vapor deposition masks, production method for metal plates, vapor deposition mask, production method for vapor deposition mask, and vapor deposition mask device comprising vapor deposition mask
US-2020149139-A1 · May 14, 2020 · US
Metal plate, method of manufacturing metal plate, and method of manufacturing mask by using metal plate
US-10600963-B2 · Mar 24, 2020 · US
Copper-titanium alloy foil having plated layer
US-10495840-B2 · Dec 3, 2019 · US
Method for manufacturing lead material for battery
US-10497923-B2 · Dec 3, 2019 · US
Foil for negative electrode collector of secondary battery and method for manufacturing the same
US-2019363367-A1 · Nov 28, 2019 · US
Rectangular rolled copper foil, flexible flat cable, rotary connector, and method of manufacturing rectangular rolled copper foil
US-10439347-B2 · Oct 8, 2019 · US
Lithium metal foils with low defect density
US-2019280292-A1 · Sep 12, 2019 · US
Production of Metal-Based Thin Foils
US-2019262878-A1 · Aug 29, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B21B1/40?
- CPC B21B1/40 is the Cooperative Patent Classification code for “for rolling foils which present special problems, e.g. because of thinness.”
- How many patents are filed under CPC B21B1/40 (for rolling foils which present special problems, e.g. because of thinness)?
- Our database includes 112 publications tagged with this CPC code.
- Is patent activity under CPC B21B1/40 growing?
- Publication counts under this code: 18 in 2024 vs 14 in 2025 (latest complete years).