Separating device, treatment system, method for separating two spatial regions, and method for treating workpieces
US-2022341665-A1 · Oct 27, 2022 · US
Use of air currents for screening, e.g. air curtains
Use of air currents for screening, e.g. air curtains · 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 | F24F9/00 |
| Official title | Use of air currents for screening, e.g. air curtains |
| Display label | Use of air currents for screening, e.g. air curtains |
| Total patents | 112 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 4 |
| 2018 | 4 |
| 2019 | 8 |
| 2020 | 7 |
| 2021 | 14 |
| 2022 | 21 |
| 2023 | 11 |
| 2024 | 18 |
| 2025 | 15 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Interface tool
US-2022285192-A1 · Sep 8, 2022 · US
Hygiene management device for entrance hall
US-2022186956-A1 · Jun 16, 2022 · US
Hygiene management device for entrance hall
US-2022184266-A1 · Jun 16, 2022 · US
Hygiene management device for entrance hall
US-2022186958-A1 · Jun 16, 2022 · US
Hygiene management device for entrance hall and control method of same
US-2022186959-A1 · Jun 16, 2022 · US
Hygiene management device for entrance hall and control method of same
US-2022186957-A1 · Jun 16, 2022 · US
Hygiene management device for entrance hall
US-2022186953-A1 · Jun 16, 2022 · US
Hygiene management device for entrance hall
US-2022186971-A1 · Jun 16, 2022 · US
Manufacturing enclosure environmental containment systems and methods
US-11331700-B2 · May 17, 2022 · US
Testing apparatus
US-2022136724-A1 · May 5, 2022 · US
Air curtain containment system and assembly for data centers
US-2022082278-A1 · Mar 17, 2022 · US
Air curtain systems and methods for vehicle cabins
US-2022063814-A1 · Mar 3, 2022 · US
Device and system for creating air capsules around passengers in vehicles and method thereof
US-2022057094-A1 · Feb 24, 2022 · US
Air curtain device and method for manufacturing the same
US-2022034532-A1 · Feb 3, 2022 · US
Air cleaner
US-2022032222-A1 · Feb 3, 2022 · US
Air shower cleaning device with non-defeatable function
US-2022023920-A1 · Jan 27, 2022 · US
Air curtain systems and methods for internal cabins of vehicles
US-2022001993-A1 · Jan 6, 2022 · US
Pass Box
US-2021389003-A1 · Dec 16, 2021 · US
Separating device and treatment system
US-2021231370-A1 · Jul 29, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F24F9/00?
- CPC F24F9/00 is the Cooperative Patent Classification code for “Use of air currents for screening, e.g. air curtains.”
- How many patents are filed under CPC F24F9/00 (Use of air currents for screening, e.g. air curtains)?
- Our database includes 112 publications tagged with this CPC code.
- Is patent activity under CPC F24F9/00 growing?
- Publication counts under this code: 18 in 2024 vs 15 in 2025 (latest complete years).