Hair iron
US-2025098832-A1 · Mar 27, 2025 · US
with a ceramic component, e.g. heater, styling surface
with a ceramic component, e.g. heater, styling surface · 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 | A45D2001/004 |
| Official title | {with a ceramic component, e.g. heater, styling surface} |
| Display label | with a ceramic component, e.g. heater, styling surface |
| Total patents | 38 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 8 |
| 2018 | 2 |
| 2019 | 5 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 8 |
| 2024 | 3 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Heater assembly for a hand-held appliance
US-2025057295-A1 · Feb 20, 2025 · US
Hair straightener
US-12035792-B2 · Jul 16, 2024 · US
Hair iron having a ceramic heater
US-2024130501-A1 · Apr 25, 2024 · US
Hair iron having a ceramic heater
US-11903472-B2 · Feb 20, 2024 · US
Thick film printed heat spreader for low thermal mass heating solutions
US-2023284392-A1 · Sep 7, 2023 · US
Thick film printed heat spreader for low thermal mass heating solutions
US-2023276919-A1 · Sep 7, 2023 · US
Hand held appliance
US-11712098-B2 · Aug 1, 2023 · US
Load-dependent power control for hair iron having ceramic heaters
US-2023199914-A1 · Jun 22, 2023 · US
Load-dependent power control for hair iron having ceramic heaters
US-2023195147-A1 · Jun 22, 2023 · US
Power control for hair iron having ceramic heaters
US-2023109367-A1 · Apr 6, 2023 · US
Power control for hair iron having ceramic heaters
US-2023104618-A1 · Apr 6, 2023 · US
Hand held appliance
US-11589661-B2 · Feb 28, 2023 · US
Hairstyling apparatuses and related methods
US-11457712-B2 · Oct 4, 2022 · US
Hair straightener
US-2021386171-A1 · Dec 16, 2021 · US
Hairstyling apparatuses and related methods
US-2021315345-A1 · Oct 14, 2021 · US
Hair styling apparatuses and related methods
US-RE48170-E · Aug 25, 2020 · US
Hair iron having a ceramic heater
US-2020253350-A1 · Aug 13, 2020 · US
Hair styling appliances and methods of operating same
US-2019387856-A1 · Dec 26, 2019 · US
Hand held appliance
US-2019380463-A1 · Dec 19, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A45D2001/004?
- CPC A45D2001/004 is the Cooperative Patent Classification code for “with a ceramic component, e.g. heater, styling surface.”
- How many patents are filed under CPC A45D2001/004 (with a ceramic component, e.g. heater, styling surface)?
- Our database includes 38 publications tagged with this CPC code.
- Is patent activity under CPC A45D2001/004 growing?
- Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).