Open Air-Cycle Ventilating Heat Pump
US-2025341332-A1 · Nov 6, 2025 · US
Systems using a compressed air circuit
Systems using a compressed air circuit · 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 | F24F5/0085 |
| Official title | {Systems using a compressed air circuit} |
| Display label | Systems using a compressed air circuit |
| Total patents | 25 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 2 |
| 2021 | 6 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Clean negative pressure hospital room system using compressor and turbine
US-12152792-B2 · Nov 26, 2024 · US
Air cycle machine with separate compressor and turbine and fan and turbine
US-11781441-B2 · Oct 10, 2023 · US
Air cycle machine with separate compressor and turbine and fan and turbine
US-2023212955-A1 · Jul 6, 2023 · US
Humidifier and air composition adjustment device
US-11668479-B2 · Jun 6, 2023 · US
Humidifier and air composition adjustment device
US-2022357057-A1 · Nov 10, 2022 · US
Air cycle machines, air cycle machine systems, and methods of controlling air flow in air cycle machines
US-11492127-B2 · Nov 8, 2022 · US
Humidifier and air composition adjustment device
US-11428423-B2 · Aug 30, 2022 · US
Clean negative pressure hospital room system using compressor and turbine
US-2022065466-A1 · Mar 3, 2022 · US
High pressure water extraction device with shave off edge that feeds a low pressure chamber and internal helix feature to improve water collection and drainage
US-2021229013-A1 · Jul 29, 2021 · US
Air cycle machines, air cycle machine systems, and methods of controlling air flow in air cycle machines
US-2021188448-A1 · Jun 24, 2021 · US
Multi-unit adaptable compressed air drying system
US-2021095883-A1 · Apr 1, 2021 · US
High pressure water extraction device with shave off edge that feeds a low pressure chamber and internal helix feature to improve water collection and drainage
US-10960332-B2 · Mar 30, 2021 · US
Humidifier and air composition adjustment device
US-2021033295-A1 · Feb 4, 2021 · US
Compressed air energy storage power generation apparatus and compressed air energy storage power generation method
US-10892642-B2 · Jan 12, 2021 · US
Data center cooling system
US-10356952-B2 · Jul 16, 2019 · US
High pressure water extraction device with shave off edge that feeds a low pressure chamber and internal helix feature to improve water collection and drainage
US-2019105590-A1 · Apr 11, 2019 · US
Compressed air energy storage power generation apparatus and compressed air energy storage power generation method
US-2018283275-A1 · Oct 4, 2018 · US
Bearing cooling flow and energy recovery systems
US-9897093-B2 · Feb 20, 2018 · US
Data Center Cooling System
US-2017354063-A1 · Dec 7, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F24F5/0085?
- CPC F24F5/0085 is the Cooperative Patent Classification code for “Systems using a compressed air circuit.”
- How many patents are filed under CPC F24F5/0085 (Systems using a compressed air circuit)?
- Our database includes 25 publications tagged with this CPC code.
- Is patent activity under CPC F24F5/0085 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).