Hair holder and hair treatment method using same
US-12171322-B2 · Dec 24, 2024 · US
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Flexible curlers (A45D2/20 takes precedence)
Flexible curlers (A45D2/20 takes precedence) · Cooperative Patent Classification (CPC)
Agriculture, food, personal care, health, and life sciences.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | A45D2/18 |
| Official title | Flexible curlers (A45D2/20 takes precedence) |
| Display label | Flexible curlers (A45D2/20 takes precedence) |
| Total patents | 8 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be declining based on the most recent years.
| Year | Patents |
|---|---|
| 2020 | 1 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hair holder, method for manufacturing hair holder, and hair treatment method using hair holder
US-2023189955-A1 · Jun 22, 2023 · US
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Hair holder, method for producing said hair holder, and method for using said hair holder
US-11452351-B2 · Sep 27, 2022 · US
Hair holder and hair treatment method using same
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Hair treatment method and hair holder
US-2022110429-A1 · Apr 14, 2022 · US
Hair holder, method for producing said hair holder, and method for using said hair holder
US-2022039531-A1 · Feb 10, 2022 · US
Hair holding tool and method for manufacturing same
US-2020390215-A1 · Dec 17, 2020 · US