Systems and methods for refrigerant leak management
US-12498130-B2 · Dec 16, 2025 · US
characterised by exhaustion of inside air from the room (in combination with simultaneous introduction of outside air F24F1/0038)
characterised by exhaustion of inside air from the room (in combination with simultaneous introduction of outside air F24F1/0038) · 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 | F24F1/0041 |
| Official title | characterised by exhaustion of inside air from the room (in combination with simultaneous introduction of outside air F24F1/0038) |
| Display label | characterised by exhaustion of inside air from the room (in combination with simultaneous introduction of outside air F24F1/0038) |
| Total patents | 27 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2019 | 4 |
| 2020 | 2 |
| 2021 | 7 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 5 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Air conditioning device
US-12486999-B2 · Dec 2, 2025 · US
Clean negative pressure hospital room system using compressor and turbine
US-12152792-B2 · Nov 26, 2024 · US
Air conditioning system and method for controlling same
US-11976825-B2 · May 7, 2024 · US
Air conditioning device
US-2024068696-A1 · Feb 29, 2024 · US
Systems and methods for refrigerant leak management
US-2024027085-A1 · Jan 25, 2024 · US
Systems and methods for detecting and responding to refrigerant leaks in heating, ventilating, and air conditioning systems
US-11867415-B2 · Jan 9, 2024 · US
Systems and methods for refrigerant leak management
US-11774126-B2 · Oct 3, 2023 · US
Air conditioner and ventilation apparatus for the same
US-11644202-B2 · May 9, 2023 · US
Air-conditioning system and air-conditioning system controller
US-11353233-B2 · Jun 7, 2022 · US
Clean negative pressure hospital room system using compressor and turbine
US-2022065466-A1 · Mar 3, 2022 · US
Systems and methods for detecting and responding to refrigerant leaks in heating, ventilating, and air conditioning systems
US-2021396413-A1 · Dec 23, 2021 · US
Systems and methods for refrigerant leak management
US-2021310678-A1 · Oct 7, 2021 · US
Systems and methods for detecting and responding to refrigerant leaks in heating, ventilating, and air conditioning systems
US-11060746-B2 · Jul 13, 2021 · US
Systems and methods for refrigerant leak management
US-11041647-B2 · Jun 22, 2021 · US
Air conditioner ventilation device and air conditioner ventilation method
US-2021108805-A1 · Apr 15, 2021 · US
Air conditioner and ventilation apparatus for the same
US-2021108813-A1 · Apr 15, 2021 · US
Air conditioning system and method for controlling same
US-2021095868-A1 · Apr 1, 2021 · US
Air-conditioning system and air-conditioning system controller
US-2020292198-A1 · Sep 17, 2020 · US
Systems and methods for refrigerant leak management
US-2020141601-A1 · May 7, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F24F1/0041?
- CPC F24F1/0041 is the Cooperative Patent Classification code for “characterised by exhaustion of inside air from the room (in combination with simultaneous introduction of outside air F24F1/0038).”
- How many patents are filed under CPC F24F1/0041 (characterised by exhaustion of inside air from the room (in combination with simultaneous introduction of outside air F24F1/0038))?
- Our database includes 27 publications tagged with this CPC code.
- Is patent activity under CPC F24F1/0041 growing?
- Publication counts under this code: 5 in 2024 vs 2 in 2025 (latest complete years).