Air conditioning apparatus
US-2024359125-A1 · Oct 31, 2024 · US
by filtering using high voltage
by filtering using high voltage · 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 | F24F8/194 |
| Official title | {by filtering using high voltage} |
| Display label | by filtering using high voltage |
| Total patents | 77 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 6 |
| 2017 | 11 |
| 2018 | 1 |
| 2019 | 6 |
| 2020 | 4 |
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 14 |
| 2024 | 9 |
| 2025 | 7 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Belt-type electric dust collection device and air conditioner having same
US-11819860-B2 · Nov 21, 2023 · US
Fresh air ventilation device for air pollution prevention
US-2023304684-A1 · Sep 28, 2023 · US
Air conditioning apparatus
US-2023285888-A1 · Sep 14, 2023 · US
Acidic gas separation device, air purifier, air conditioner, and acidic gas concentration device
US-2023271132-A1 · Aug 31, 2023 · US
Air conditioner
US-2023272925-A1 · Aug 31, 2023 · US
Dust collecting filter and method for manufacturing dust collecting filter
US-2023249113-A1 · Aug 10, 2023 · US
Air conditioning apparatus
US-11673088-B2 · Jun 13, 2023 · US
Air conditioner and method for controlling the same
US-2023175718-A1 · Jun 8, 2023 · US
Filter module and air purifier having the same
US-11666849-B2 · Jun 6, 2023 · US
Electrostatic precipitator and control method thereof
US-2023149948-A1 · May 18, 2023 · US
Air purifier and air purifying method
US-2023151983-A1 · May 18, 2023 · US
Uniformly expandable air filter
US-11642617-B2 · May 9, 2023 · US
Air conditioner
US-2023001427-A1 · Jan 5, 2023 · US
Electrical appliance with electrostatic dust collecting device using carbon fiber
US-11541343-B2 · Jan 3, 2023 · US
Electrostatic filter unit for an air cleaning device and air cleaning device
US-2022331815-A1 · Oct 20, 2022 · US
Uniformly expandable air filter
US-2022054968-A1 · Feb 24, 2022 · US
Belt-type electric dust collection device and air conditioner having same
US-2022032317-A1 · Feb 3, 2022 · US
Uniformly expandable air filter
US-11192059-B2 · Dec 7, 2021 · US
Disinfection system with high throughput and low power requirements
US-2021364177-A1 · Nov 25, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F24F8/194?
- CPC F24F8/194 is the Cooperative Patent Classification code for “by filtering using high voltage.”
- How many patents are filed under CPC F24F8/194 (by filtering using high voltage)?
- Our database includes 77 publications tagged with this CPC code.
- Is patent activity under CPC F24F8/194 growing?
- Publication counts under this code: 9 in 2024 vs 7 in 2025 (latest complete years).