Exhaust fan assembly system and method for exhausting a gas
US-2024302068-A1 · Sep 12, 2024 · US
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by removing radon
by removing radon · 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 | F24F8/70 |
| Official title | by removing radon |
| Display label | by removing radon |
| Total patents | 9 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2018 | 1 |
| 2019 | 1 |
| 2021 | 1 |
| 2023 | 1 |
| 2024 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Air handling system with integrated air treatment
US-2024060662-A1 · Feb 22, 2024 · US
Air handling system with integrated air treatment
US-11608998-B2 · Mar 21, 2023 · US
Air handling system with integrated air treatment
US-2021140655-A1 · May 13, 2021 · US
Air handling system with integrated treatment
US-2019186762-A1 · Jun 20, 2019 · US
Method, devices and systems for radon removal from indoor areas
US-2018339262-A1 · Nov 29, 2018 · US
Air handling system with integrated air treatment
US-2016363333-A1 · Dec 15, 2016 · US
Air handling system with integrated air treatment
US-9399187-B2 · Jul 26, 2016 · US
Air handling system with integrated air treatment
US-2015258488-A1 · Sep 17, 2015 · US