Air filter unit and use of the air filter unit in a motor vehicle
US-2025196158-A1 · Jun 19, 2025 · US
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the gas being moved electro-kinetically
the gas being moved electro-kinetically · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B03C2201/14 |
| Official title | the gas being moved electro-kinetically |
| Display label | the gas being moved electro-kinetically |
| Total patents | 12 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2022 | 4 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
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Flue pipe systems and methods of purifying flue gases
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Device for realizing surface cleaning of optical element by ion wind and electrostatic coupling
US-2022397757-A1 · Dec 15, 2022 · US
Electrostatic particle filtering
US-11413628-B2 · Aug 16, 2022 · US
Fan device
US-11293459-B2 · Apr 5, 2022 · US
Electrostatic dust filter
US-2022048045-A1 · Feb 17, 2022 · US
Fan device
US-2020047190-A1 · Feb 13, 2020 · US
Electrostatic particle filtering
US-2019381516-A1 · Dec 19, 2019 · US
Electrostatic blower and methods of assembling the same
US-2016221001-A1 · Aug 4, 2016 · US
Ion wind generator and ion wind generating device
US-8929049-B2 · Jan 6, 2015 · US