High-power and high energy-density capacitor with scavenger
US-2026081073-A1 · Mar 19, 2026 · US
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impregnated
impregnated · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01G4/22 |
| Official title | impregnated |
| Display label | impregnated |
| Total patents | 17 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 2 |
| 2025 | 1 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Three dimensional immunomechanical organoid model
US-2026079151-A1 · Mar 19, 2026 · US
Reducing ageing of an insulation material of a winding, in particular of an oil-impregnated high-voltage device
US-12266468-B2 · Apr 1, 2025 · US
Dielectric nanofluid for a capacitor system
US-2023065268-A1 · Mar 2, 2023 · US
Polypropylene film structure having increased life time
US-11591444-B2 · Feb 28, 2023 · US
Reducing ageing of an insulation material of a winding, in particular of an oil-impregnated high-voltage device
US-2022076882-A1 · Mar 10, 2022 · US
Insulation system and capacitor
US-11264169-B2 · Mar 1, 2022 · US
Polypropylene film structure
US-10886070-B2 · Jan 5, 2021 · US
Polypropylene film structure having increased life time
US-2020040150-A1 · Feb 6, 2020 · US
Super dielectric capacitor having electrically and ionically conducting electrodes
US-10535466-B1 · Jan 14, 2020 · US
Insulation system and capacitor
US-2019311855-A1 · Oct 10, 2019 · US
Super dielectric capacitor using scaffold dielectric and electrically and ionically conducting electrodes
US-10147543-B1 · Dec 4, 2018 · US
Polypropylene film structure
US-2018108484-A1 · Apr 19, 2018 · US
Spacer for cast capacitors
US-9916932-B1 · Mar 13, 2018 · US
Electronic component and method for the passivation thereof
US-9734948-B2 · Aug 15, 2017 · US
Electronic Component and Method for the Passivation Thereof
US-2016071648-A1 · Mar 10, 2016 · US
Dielectric thin film-forming composition, method of forming dielectric thin film and dielectric thin film formed by the method
US-9018118-B2 · Apr 28, 2015 · US