Device for collecting and analyzing airborne particles
US-12392691-B2 · Aug 19, 2025 · US
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Liquid, or liquid-film, electrodes
Liquid, or liquid-film, electrodes · 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 | B03C3/53 |
| Official title | Liquid, or liquid-film, electrodes |
| Display label | Liquid, or liquid-film, electrodes |
| Total patents | 21 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 4 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electrostatic charging air cleaning device and collection electrode
US-11958061-B2 · Apr 16, 2024 · US
Apparatus for monitoring bioaerosols using machine learning and method thereof
US-11953419-B2 · Apr 9, 2024 · US
Apparatus and method for removing nitrogen oxide from exhaust gas
US-11883781-B2 · Jan 30, 2024 · US
Apparatus for capturing bioaerosols
US-11833527-B2 · Dec 5, 2023 · US
Apparatus and method for removing nitrogen oxide from exhaust gas
US-2023087167-A1 · Mar 23, 2023 · US
Electrostatic charging air cleaning device and collection electrode
US-2023047164-A1 · Feb 16, 2023 · US
Electrostatic charging air cleaning device and collection electrode
US-11524304-B2 · Dec 13, 2022 · US
Apparatus for monitoring bioaerosols using machine learning and method thereof
US-2022268686-A1 · Aug 25, 2022 · US
Device for collecting and analyzing airborne particles
US-2022196521-A1 · Jun 23, 2022 · US
Apparatus for capturing bioaerosols
US-2022161272-A1 · May 26, 2022 · US
Air purifier
US-10960406-B2 · Mar 30, 2021 · US
Wet electrostatic precipitator and method of treating an exhaust
US-10799884-B2 · Oct 13, 2020 · US
Electrostatic charging air cleaning device and collection electrode
US-2020197953-A1 · Jun 25, 2020 · US
Air purifier
US-2019083990-A1 · Mar 21, 2019 · US
Gas treatment apparatus
US-10150120-B2 · Dec 11, 2018 · US
Wet electrostatic precipitator and method of treating an exhaust
US-2017232450-A1 · Aug 17, 2017 · US
Voltage regulator for a power distribution system and method of controlling same
US-9519299-B2 · Dec 13, 2016 · US
Feed channel comprising an expansion body for charging the separator electrode of a wet overspray separator device
US-9463472-B2 · Oct 11, 2016 · US
Gas treatment apparatus
US-2016236205-A1 · Aug 18, 2016 · US