Electrospray vortical flow exchanger
US-11951439-B2 · Apr 9, 2024 · US
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by centrifugal separation, e.g. using vortices
by centrifugal separation, e.g. using vortices · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F24F8/183 |
| Official title | by centrifugal separation, e.g. using vortices |
| Display label | by centrifugal separation, e.g. using vortices |
| Total patents | 22 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 8 |
| 2022 | 6 |
| 2023 | 4 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fresh air inlet with vortex debris collection
US-2023324075-A1 · Oct 12, 2023 · US
Air flow vessel and spray ring air purification device
US-11573018-B2 · Feb 7, 2023 · US
Method using spray ring in an enclosed air flow for purification
US-11549705-B2 · Jan 10, 2023 · US
Air treatment device configured for cyclone flow and water contact
US-11543141-B2 · Jan 3, 2023 · US
Cyclonic vessel air purification and humidity device
US-11493217-B2 · Nov 8, 2022 · US
Method for air treatment in a moving air flow vessel
US-11493218-B2 · Nov 8, 2022 · US
Capture device for purifying air, purification device and air purifier
US-11439934-B2 · Sep 13, 2022 · US
Electrospray vortical flow exchanger
US-2022258097-A1 · Aug 18, 2022 · US
Electrospray vortical flow exchanger
US-11358094-B2 · Jun 14, 2022 · US
Long life air filter
US-2022008851-A1 · Jan 13, 2022 · US
Method using spray ring in an enclosed air flow for purification
US-2021389001-A1 · Dec 16, 2021 · US
Air treatment device configured for cyclone flow and water contact
US-2021372644-A1 · Dec 2, 2021 · US
Cyclonic vessel air purification and humidity device
US-2021372641-A1 · Dec 2, 2021 · US
Method for air treatment in a moving air flow vessel
US-2021372643-A1 · Dec 2, 2021 · US
Air flow vessel and spray ring air purification device
US-2021372642-A1 · Dec 2, 2021 · US
Hybrid humidity controller and air purifier
US-11118801-B2 · Sep 14, 2021 · US
Capture Device for Purifying Air, Purification Device and Air Purifier
US-2021129062-A1 · May 6, 2021 · US
Electrospray vortical flow exchanger
US-2021093996-A1 · Apr 1, 2021 · US
Hybrid humidity controller and air purifier
US-2020408427-A1 · Dec 31, 2020 · US