Apparatus for both humidification and air cleaning
US-10161644-B2 · Dec 25, 2018 · US
using stationary unheated wet elements
using stationary unheated wet elements · 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 | F24F6/04 |
| Official title | using stationary unheated wet elements |
| Display label | using stationary unheated wet elements |
| Total patents | 225 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 9 |
| 2017 | 34 |
| 2018 | 21 |
| 2019 | 30 |
| 2020 | 20 |
| 2021 | 18 |
| 2022 | 26 |
| 2023 | 18 |
| 2024 | 19 |
| 2025 | 15 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Air conditioner and control method thereof
US-10139119-B2 · Nov 27, 2018 · US
Apparatus for both humidification and air cleaning
US-10101046-B2 · Oct 16, 2018 · US
Humidification and air cleaning apparatus
US-10094580-B2 · Oct 9, 2018 · US
Humidification and air cleaning apparatus
US-10066845-B2 · Sep 4, 2018 · US
Apparatus for both humidification and air cleaning
US-10054322-B2 · Aug 21, 2018 · US
Fan coil apparatus including a humidification unit and a humidification unit
US-2018172297-A1 · Jun 21, 2018 · US
Air conditioner and control method thereof
US-2018100666-A1 · Apr 12, 2018 · US
Humidifier and method of hydrophilization processing for humidifying material
US-9845961-B2 · Dec 19, 2017 · US
Humidifier and air-conditioning apparatus with humidifier
US-9816715-B2 · Nov 14, 2017 · US
Humidifier and air-conditioning apparatus including the same
US-9777935-B2 · Oct 3, 2017 · US
Synthetic media pads for an evaporative cooler and method for evaporative cooling
US-2017276386-A1 · Sep 28, 2017 · US
Climate control systems using pozzolan materials
US-2017234554-A1 · Aug 17, 2017 · US
Evaporative humidifier and control method thereof
US-9732969-B2 · Aug 15, 2017 · US
Humidifier and air-conditioning apparatus including humidifier
US-2017146252-A1 · May 25, 2017 · US
Humidifier
US-2017136851-A1 · May 18, 2017 · US
Apparatus for both humidification and air cleaning
US-2017122599-A1 · May 4, 2017 · US
Apparatus for both humidification and air cleaning
US-2017122587-A1 · May 4, 2017 · US
Humidification and air cleaning apparatus
US-2017122583-A1 · May 4, 2017 · US
Apparatus for both humidification and air cleaning
US-2017122600-A1 · May 4, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F24F6/04?
- CPC F24F6/04 is the Cooperative Patent Classification code for “using stationary unheated wet elements.”
- How many patents are filed under CPC F24F6/04 (using stationary unheated wet elements)?
- Our database includes 225 publications tagged with this CPC code.
- Is patent activity under CPC F24F6/04 growing?
- Publication counts under this code: 19 in 2024 vs 15 in 2025 (latest complete years).