Hair styling appliance
US-12507779-B2 · Dec 30, 2025 · US
Circuits
Circuits · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H05B6/48 |
| Official title | Circuits |
| Display label | Circuits |
| Total patents | 49 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 4 |
| 2017 | 5 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 5 |
| 2022 | 5 |
| 2023 | 1 |
| 2024 | 11 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Dielectric heating device and liquid ejection system
US-12420566-B2 · Sep 23, 2025 · US
Dielectric heating device
US-2025081300-A1 · Mar 6, 2025 · US
Electromagnetic wave generating system and heating device with electromagnetic wave generating system
US-12193133-B2 · Jan 7, 2025 · US
Hair styling appliance
US-2024237796-A1 · Jul 18, 2024 · US
Hair styling appliance
US-2024237797-A1 · Jul 18, 2024 · US
Hair styling appliance
US-2024225230-A1 · Jul 11, 2024 · US
Hair styling appliance
US-2024237161-A1 · Jul 11, 2024 · US
Hair styling appliance
US-2024225228-A1 · Jul 11, 2024 · US
Hair styling appliance
US-2024225229-A1 · Jul 11, 2024 · US
Hair styling appliance
US-2024225227-A1 · Jul 11, 2024 · US
Hair styling appliance
US-2024215699-A1 · Jul 4, 2024 · US
Hair styling appliance
US-2024215125-A1 · Jun 27, 2024 · US
Refrigerating and freezing device
US-11971211-B2 · Apr 30, 2024 · US
Dielectric heating device and liquid ejection system
US-2024001691-A1 · Jan 4, 2024 · US
Pef cooking device and method for applying pef pulses
US-2023113837-A1 · Apr 13, 2023 · US
High-frequency heating device
US-11369011-B2 · Jun 21, 2022 · US
Refrigerating and freezing device
US-2022107130-A1 · Apr 7, 2022 · US
Dielectric heating device and dielectric heating electrodes
US-11297695-B2 · Apr 5, 2022 · US
Electromagnetic wave generating system and heating device with electromagnetic wave generating system
US-2022086968-A1 · Mar 17, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H05B6/48?
- CPC H05B6/48 is the Cooperative Patent Classification code for “Circuits.”
- How many patents are filed under CPC H05B6/48 (Circuits)?
- Our database includes 49 publications tagged with this CPC code.
- Is patent activity under CPC H05B6/48 growing?
- Publication counts under this code: 11 in 2024 vs 4 in 2025 (latest complete years).