Portable air purification system and stacking arrangement
US-2024295333-A1 · Sep 5, 2024 · US
Mechanical Engineering
Mechanical Engineering · 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 | F24F1/02 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 186 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 7 |
| 2017 | 15 |
| 2018 | 27 |
| 2019 | 26 |
| 2020 | 32 |
| 2021 | 20 |
| 2022 | 9 |
| 2023 | 12 |
| 2024 | 16 |
| 2025 | 10 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Air suction apparatus and air suction method
US-10344991-B2 · Jul 9, 2019 · US
Air-conditioning apparatus with vibration-damper
US-10240811-B2 · Mar 26, 2019 · US
Indoor unit for air-conditioning apparatus
US-2018356123-A1 · Dec 13, 2018 · US
Push-out mechanism for wind deflector and air conditioner
US-2018328599-A1 · Nov 15, 2018 · US
Air conditioner
US-2018299142-A1 · Oct 18, 2018 · US
Air conditioning equipment
US-10101058-B2 · Oct 16, 2018 · US
Side-mounted electric heater
US-2018292105-A1 · Oct 11, 2018 · US
Dehumidifier
US-10082302-B2 · Sep 25, 2018 · US
Refrigeration module and bathroom management apparatus
US-2018259204-A1 · Sep 13, 2018 · US
Bathroom management apparatus
US-2018252419-A1 · Sep 6, 2018 · US
Bathroom management apparatus
US-2018249827-A1 · Sep 6, 2018 · US
Air conditioning housing system
US-2018224153-A1 · Aug 9, 2018 · US
Slim-Type Air Processing Device
US-2018224134-A1 · Aug 9, 2018 · US
Methods and apparatuses to moderate an airflow
US-10041619-B2 · Aug 7, 2018 · US
Air purifier using ultraviolet rays
US-10039852-B2 · Aug 7, 2018 · US
Air cleaner
US-2018207568-A1 · Jul 26, 2018 · US
Indoor unit of air-conditioning apparatus and air-conditioning apparatus
US-10024563-B2 · Jul 17, 2018 · US
Fan assembly
US-9982677-B2 · May 29, 2018 · US
Fan and air-conditioning device
US-2018142704-A1 · May 24, 2018 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F24F1/02?
- CPC F24F1/02 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F24F1/02 (Mechanical Engineering)?
- Our database includes 186 publications tagged with this CPC code.
- Is patent activity under CPC F24F1/02 growing?
- Publication counts under this code: 16 in 2024 vs 10 in 2025 (latest complete years).