Fluid treatment apparatus
US-12569800-B2 · Mar 10, 2026 · US
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by using a liquid curtain (B01D47/06 takes precedence)
by using a liquid curtain (B01D47/06 takes precedence) · 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 | B01D47/022 |
| Official title | {by using a liquid curtain (B01D47/06 takes precedence)} |
| Display label | by using a liquid curtain (B01D47/06 takes precedence) |
| Total patents | 21 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 7 |
| 2023 | 2 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Exahust gas treatment apparatus
US-2025186929-A1 · Jun 12, 2025 · US
Apparatus and process for fog mitigation
US-2025075455-A1 · Mar 6, 2025 · US
Fluid treatment apparatus
US-2023347280-A1 · Nov 2, 2023 · US
Water storage device and exhaust gas treatment system
US-11590451-B2 · Feb 28, 2023 · US
Exhaust gas processing apparatus
US-11527422-B2 · Dec 13, 2022 · US
Process gas suction structure and exhaust gas treatment apparatus
US-11511226-B2 · Nov 29, 2022 · US
Wet abatement system
US-11400406-B2 · Aug 2, 2022 · US
Process gas suction structure and exhaust gas treatment apparatus
US-2022193605-A1 · Jun 23, 2022 · US
Particulate matter collecting apparatus
US-11338240-B2 · May 24, 2022 · US
Particulate matter collector
US-2022126234-A1 · Apr 28, 2022 · US
Water storage device and exhaust gas treatment system
US-2022023797-A1 · Jan 27, 2022 · US
Particulate matter collecting apparatus
US-2021322917-A1 · Oct 21, 2021 · US
Exhaust gas processing apparatus
US-2021057236-A1 · Feb 25, 2021 · US
Liquid film dust arrester and flue gas desulfurization system
US-10780386-B2 · Sep 22, 2020 · US
Carbon dioxide removal system for anode exhaust of a fuel cell
US-10516180-B2 · Dec 24, 2019 · US
Wet abatement system
US-2019262760-A1 · Aug 29, 2019 · US
Carbon dioxide removal system for anode exhaust of a fuel cell
US-2019140296-A1 · May 9, 2019 · US
Liquid film dust arrester and flue gas desulfurization system
US-2018345202-A1 · Dec 6, 2018 · US
Method for removing dust and sulphur oxides from process gases
US-9884285-B2 · Feb 6, 2018 · US