Ventilation system, integrated air conditioning system and control method thereof
US-12398907-B2 · Aug 26, 2025 · US
heat extracted from the humid air for condensing is returned to the dried air
heat extracted from the humid air for condensing is returned to the dried air · 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 | F24F2003/1452 |
| Official title | {heat extracted from the humid air for condensing is returned to the dried air} |
| Display label | heat extracted from the humid air for condensing is returned to the dried air |
| Total patents | 64 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 6 |
| 2020 | 6 |
| 2021 | 11 |
| 2022 | 9 |
| 2023 | 9 |
| 2024 | 5 |
| 2025 | 10 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Parallel evaporator coils for superheat control for a dehumidification system
US-12339034-B2 · Jun 24, 2025 · US
Energy recovery ventilation unit with a dehumidification system
US-2025180229-A1 · Jun 5, 2025 · US
Variable refrigerant flow (VRF) dehumidification system
US-12298031-B2 · May 13, 2025 · US
Energy recovery ventilation unit with a dehumidification system
US-12247760-B2 · Mar 11, 2025 · US
Dehumidifier without condensate tank
US-12241653-B2 · Mar 4, 2025 · US
Portable Dehumidifier and Method of Operation
US-2024377076-A1 · Nov 14, 2024 · US
Heat modulation dehumidification system
US-12123616-B2 · Oct 22, 2024 · US
Gas humidity reduction apparatus and method of using the same
US-2024344718-A1 · Oct 17, 2024 · US
Portable dehumidifier and method of operation
US-12072108-B2 · Aug 27, 2024 · US
Air conditioner
US-11971189-B2 · Apr 30, 2024 · US
Self-regenerated hybrid dehumidifier with air purification
US-11835259-B2 · Dec 5, 2023 · US
Energy recovery ventilation unit with a dehumidification system
US-2023304680-A1 · Sep 28, 2023 · US
Serial superheat control for a dehumidification system
US-2023258345-A1 · Aug 17, 2023 · US
Parallel evaporator coils for superheat control for a dehumidification system
US-2023258344-A1 · Aug 17, 2023 · US
Heat modulation dehumidification system
US-2023204235-A1 · Jun 29, 2023 · US
Dryer using electrochemical regenerated liquid desiccant
US-2023173433-A1 · Jun 8, 2023 · US
Heat modulation dehumidification system
US-11668476-B2 · Jun 6, 2023 · US
Split dehumidification system with secondary evaporator and condenser coils
US-11573015-B2 · Feb 7, 2023 · US
Water cooled dehumidification system
US-11573016-B2 · Feb 7, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F24F2003/1452?
- CPC F24F2003/1452 is the Cooperative Patent Classification code for “heat extracted from the humid air for condensing is returned to the dried air.”
- How many patents are filed under CPC F24F2003/1452 (heat extracted from the humid air for condensing is returned to the dried air)?
- Our database includes 64 publications tagged with this CPC code.
- Is patent activity under CPC F24F2003/1452 growing?
- Publication counts under this code: 5 in 2024 vs 10 in 2025 (latest complete years).