Ventilation device
US-11486903-B2 · Nov 1, 2022 · US
using wall or window fans, displacing air through the wall or window
using wall or window fans, displacing air through the wall or window · 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 | F24F7/013 |
| Official title | using wall or window fans, displacing air through the wall or window |
| Display label | using wall or window fans, displacing air through the wall or window |
| Total patents | 109 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 4 |
| 2017 | 8 |
| 2018 | 10 |
| 2019 | 9 |
| 2020 | 12 |
| 2021 | 13 |
| 2022 | 18 |
| 2023 | 14 |
| 2024 | 10 |
| 2025 | 8 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Retrofitting r410a hvac products to handle flammable refrigerants
US-2022049884-A1 · Feb 17, 2022 · US
Heat exchange unit for ventilation device
US-2022042690-A1 · Feb 10, 2022 · US
System and method for commissioning fresh air intake control
US-2021381709-A1 · Dec 9, 2021 · US
Retrofitting R410A HVAC products to handle flammable refrigerants
US-11162722-B2 · Nov 2, 2021 · US
Controlled low humidity storage device and methods
US-11149969-B2 · Oct 19, 2021 · US
Ventilation air conditioning system and outdoor air supply fan
US-2021310674-A1 · Oct 7, 2021 · US
Rotor, motor, fan, air conditioning apparatus, and method for manufacturing rotor
US-2021273529-A1 · Sep 2, 2021 · US
System and method for operating a packaged terminal air conditioner unit
US-11067302-B2 · Jul 20, 2021 · US
Fresh air purification window for anti-haze
US-11054159-B2 · Jul 6, 2021 · US
Roof window system with a ventilation unit mounted adjacent to the roof window, a roof structure including a roof window system, a method of providing a roof window system and a method of retrofitting a roof window system
US-2021198893-A1 · Jul 1, 2021 · US
Water cooled dehumidification system
US-2021199317-A1 · Jul 1, 2021 · US
Ventilation fan with synchronous butterfly shutter for animal building
US-2021144951-A1 · May 20, 2021 · US
Air purifying apparatus and air purifying method
US-2021093990-A1 · Apr 1, 2021 · US
Ventilating system and method
US-10907843-B2 · Feb 2, 2021 · US
Ventilation shutter
US-2021003314-A1 · Jan 7, 2021 · US
Ventilation fan humidity sensor and case
US-10837663-B2 · Nov 17, 2020 · US
Fresh air purification window for anti-haze
US-2020292185-A1 · Sep 17, 2020 · US
Speaker fan system and method
US-10760579-B2 · Sep 1, 2020 · US
Heat exchange type ventilation device
US-2020271349-A1 · Aug 27, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F24F7/013?
- CPC F24F7/013 is the Cooperative Patent Classification code for “using wall or window fans, displacing air through the wall or window.”
- How many patents are filed under CPC F24F7/013 (using wall or window fans, displacing air through the wall or window)?
- Our database includes 109 publications tagged with this CPC code.
- Is patent activity under CPC F24F7/013 growing?
- Publication counts under this code: 10 in 2024 vs 8 in 2025 (latest complete years).