Hub-Based System for Controlling Automated Windows
US-2019309560-A1 · Oct 10, 2019 · US
Ventilation
Ventilation · 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 | F24F7/00 |
| Official title | Ventilation |
| Display label | Ventilation |
| Total patents | 149 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 17 |
| 2016 | 18 |
| 2017 | 13 |
| 2018 | 8 |
| 2019 | 14 |
| 2020 | 15 |
| 2021 | 16 |
| 2022 | 23 |
| 2023 | 10 |
| 2024 | 11 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cyclone separation device
US-2019184321-A1 · Jun 20, 2019 · US
Vehicle shutter
US-10323852-B2 · Jun 18, 2019 · US
Air flow rate controlling system and air flow rate controlling method
US-10203125-B2 · Feb 12, 2019 · US
Laboratory ventilation integration
US-2018259205-A1 · Sep 13, 2018 · US
Ion generating device and method for manufacturing ion generating device
US-2018243462-A1 · Aug 30, 2018 · US
Indoor device for cassette type air conditioner
US-10047972-B2 · Aug 14, 2018 · US
Air flap arrangement with a separate stop component
US-10024560-B2 · Jul 17, 2018 · US
Mobile soft duct system
US-10004157-B2 · Jun 19, 2018 · US
A filter housing for an air ventilation system
US-2018147518-A1 · May 31, 2018 · US
Apparatus for opening and closing discharge port and air conditioner having the same
US-9903608-B2 · Feb 27, 2018 · US
Ion generation device, method for producing ion generating device, and electrical device
US-2018053621-A1 · Feb 22, 2018 · US
Ventilation system for a vehicle, which ventilation system is controllable in a demand-oriented manner
US-9809312-B2 · Nov 7, 2017 · US
Electronic equipment data center and server co-location facility configurations and method of using the same
US-2017273222-A1 · Sep 21, 2017 · US
Compositions and methods for inhibiting corrosion in gas turbine air compressors
US-9758877-B2 · Sep 12, 2017 · US
Roof baffle
US-9719260-B2 · Aug 1, 2017 · US
Air exchange device for refrigerated chamber
US-9664406-B2 · May 30, 2017 · US
Multi-stage door sealing and airflow release
US-9657956-B2 · May 23, 2017 · US
Equipment enclosure air flow control system
US-2017142869-A1 · May 18, 2017 · US
Breather device
US-9650926-B2 · May 16, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F24F7/00?
- CPC F24F7/00 is the Cooperative Patent Classification code for “Ventilation.”
- How many patents are filed under CPC F24F7/00 (Ventilation)?
- Our database includes 149 publications tagged with this CPC code.
- Is patent activity under CPC F24F7/00 growing?
- Publication counts under this code: 11 in 2024 vs 4 in 2025 (latest complete years).