Self-propelled antibacterial air cleaner
US-2024247826-A1 · Jul 25, 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 | F24F8/22 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 616 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 15 |
| 2016 | 19 |
| 2017 | 24 |
| 2018 | 28 |
| 2019 | 15 |
| 2020 | 27 |
| 2021 | 72 |
| 2022 | 107 |
| 2023 | 84 |
| 2024 | 119 |
| 2025 | 82 |
| 2026 | 24 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Air sterilizer and air conditioning apparatus using the same
US-2024219049-A1 · Jul 4, 2024 · US
Assembly and method for operating luminaires which emit uv radiation with increased safety
US-2024077221-A1 · Mar 7, 2024 · US
Airflow apparatus
US-2024035685-A1 · Feb 1, 2024 · US
Humidifier
US-2017354988-A1 · Dec 14, 2017 · US
Photocatalytic module for automobile air conditioner and automobile air conditioner having the same
US-2017334267-A1 · Nov 23, 2017 · US
Reflective Ultraviolet Light Shield for a HVAC Unit
US-2017321910-A1 · Nov 9, 2017 · US
Humidifying apparatus
US-2017321915-A1 · Nov 9, 2017 · US
Bio sensor and air cleaner having same
US-9803877-B2 · Oct 31, 2017 · US
Fan assembly
US-9797612-B2 · Oct 24, 2017 · US
Pressurized fluid sterilizing apparatus
US-2017296690-A1 · Oct 19, 2017 · US
Humidifying apparatus
US-9752789-B2 · Sep 5, 2017 · US
Air purifier with intelligent sensors and airflow
US-9737842-B2 · Aug 22, 2017 · US
Evaporative humidifier and control method thereof
US-9732969-B2 · Aug 15, 2017 · US
Reflective ultraviolet light shield for a HVAC unit
US-9726388-B2 · Aug 8, 2017 · US
Deodorization and sterilization apparatus and method
US-9717816-B2 · Aug 1, 2017 · US
Photocatalyst air purification system with ultraviolet light emitting diodes operated with a duty cycle
US-9662626-B2 · May 30, 2017 · US
Air conditioner and control method thereof
US-2017122592-A1 · May 4, 2017 · US
Regenerative air purification system and method
US-9597627-B2 · Mar 21, 2017 · US
Humidifying apparatus
US-9599356-B2 · Mar 21, 2017 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F24F8/22?
- CPC F24F8/22 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F24F8/22 (Mechanical Engineering)?
- Our database includes 616 publications tagged with this CPC code.
- Is patent activity under CPC F24F8/22 growing?
- Publication counts under this code: 119 in 2024 vs 82 in 2025 (latest complete years).