Filter module for the separation of overspray
US-12478907-B2 · Nov 25, 2025 · US
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Prevention of static charge, e.g. by grounding
Prevention of static charge, e.g. by grounding · 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 | B01D46/4209 |
| Official title | {Prevention of static charge, e.g. by grounding} |
| Display label | Prevention of static charge, e.g. by grounding |
| Total patents | 18 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 3 |
| 2017 | 1 |
| 2019 | 3 |
| 2020 | 5 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Filter module
US-11878262-B2 · Jan 23, 2024 · US
Filter module
US-2023201752-A1 · Jun 29, 2023 · US
Filter module for the separation of overspray
US-2023064304-A1 · Mar 2, 2023 · US
Electrostatic filter unit for an air cleaning device and air cleaning device
US-2022331815-A1 · Oct 20, 2022 · US
Filter insert as well as fluid filter
US-11154805-B2 · Oct 26, 2021 · US
Biosafety cabinet and clean air device
US-10874012-B2 · Dec 22, 2020 · US
Flange, filter insert, device for separating oil aerosol from air, and method for producing a filter insert
US-10857497-B2 · Dec 8, 2020 · US
Filter element with honeycomb body for air cleaning
US-2020261839-A1 · Aug 20, 2020 · US
Intake system of vehicle
US-10718299-B2 · Jul 21, 2020 · US
Oil separator
US-10596506-B2 · Mar 24, 2020 · US
Biosafety Cabinet and Clean Air Device
US-2019208613-A1 · Jul 4, 2019 · US
Filter Insert as well as Fluid Filter
US-2019111371-A1 · Apr 18, 2019 · US
Flange, Filter Insert, Device for Separating Oil Aerosol from Air, and Method for Producing a Filter Insert
US-2019105592-A1 · Apr 11, 2019 · US
Oil separator
US-2017246574-A1 · Aug 31, 2017 · US
Air filter cartridge
US-9446340-B2 · Sep 20, 2016 · US
Intake system of vehicle
US-2016186703-A1 · Jun 30, 2016 · US
Separating element for separating liquids from a gas flow
US-9233330-B2 · Jan 12, 2016 · US