"hydrogen peroxide formulations in barrier layer films with a metalized layer"
US-2020375856-A1 · Dec 3, 2020 · US
Devices for washing the hair or the scalp; Similar devices for colouring the hair
Devices for washing the hair or the scalp; Similar devices for colouring the hair · 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 | A45D19/00 |
| Official title | Devices for washing the hair or the scalp; Similar devices for colouring the hair |
| Display label | Devices for washing the hair or the scalp; Similar devices for colouring the hair |
| Total patents | 103 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 6 |
| 2017 | 7 |
| 2018 | 16 |
| 2019 | 7 |
| 2020 | 11 |
| 2021 | 9 |
| 2022 | 13 |
| 2023 | 6 |
| 2024 | 7 |
| 2025 | 6 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Custom formulation systems
US-10849832-B2 · Dec 1, 2020 · US
Cartridges having internal capsules
US-2020354134-A1 · Nov 12, 2020 · US
Applicator for applying a cosmetic product to keratinous materials
US-2020275760-A1 · Sep 3, 2020 · US
Hair treatment process that provides sheen using an aerosol device
US-10710791-B2 · Jul 14, 2020 · US
Reversible thermochromic/photochromic cosmetic activator
US-10702044-B2 · Jul 7, 2020 · US
Percarbonate-containing blonding agent in an aluminum sachet
US-2020206103-A1 · Jul 2, 2020 · US
Hair colouration, method and kit thereof
US-10687594-B2 · Jun 23, 2020 · US
Hair colouration, method and kit thereof
US-10681971-B2 · Jun 16, 2020 · US
Yeast-based masks for improved skin, hair and scalp health
US-2020155444-A1 · May 21, 2020 · US
Hair styling
US-10588391-B2 · Mar 17, 2020 · US
Method of treating hair with foam
US-10517367-B2 · Dec 31, 2019 · US
Device for treating a part of a body of a person to be treated
US-10507587-B2 · Dec 17, 2019 · US
System for carrying out a treatment of the head of hair, to be connected to at least one water inlet
US-2019350346-A1 · Nov 21, 2019 · US
Hair styling
US-2019343258-A1 · Nov 14, 2019 · US
Hair coloring appliance
US-10441048-B2 · Oct 15, 2019 · US
Novel colouring method using films
US-2019167534-A1 · Jun 6, 2019 · US
Container having integrated applicator
US-10179688-B2 · Jan 15, 2019 · US
Personal Care Device With Audible Feedback
US-2018360196-A1 · Dec 20, 2018 · US
Hair care product and method for applying a hair care product of this type
US-2018343998-A1 · Dec 6, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A45D19/00?
- CPC A45D19/00 is the Cooperative Patent Classification code for “Devices for washing the hair or the scalp; Similar devices for colouring the hair.”
- How many patents are filed under CPC A45D19/00 (Devices for washing the hair or the scalp; Similar devices for colouring the hair)?
- Our database includes 103 publications tagged with this CPC code.
- Is patent activity under CPC A45D19/00 growing?
- Publication counts under this code: 7 in 2024 vs 6 in 2025 (latest complete years).