Air conditioner
US-2020378642-A1 · Dec 3, 2020 · US
in which the air treatment in the central station takes place by means of a heat-pump or by means of a reversible cycle (reversible cycle for humidifying and drying air F24F3/147)
in which the air treatment in the central station takes place by means of a heat-pump or by means of a reversible cycle (reversible cycle for humidifying and drying air F24F3/147) · 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 | F24F3/001 |
| Official title | {in which the air treatment in the central station takes place by means of a heat-pump or by means of a reversible cycle (reversible cycle for humidifying and drying air F24F3/147)} |
| Display label | in which the air treatment in the central station takes place by means of a heat-pump or by means of a reversible cycle (reversible cycle for humidifying and drying air F24F3/147) |
| Total patents | 177 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 4 |
| 2017 | 6 |
| 2018 | 10 |
| 2019 | 18 |
| 2020 | 25 |
| 2021 | 23 |
| 2022 | 24 |
| 2023 | 24 |
| 2024 | 22 |
| 2025 | 14 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Systems and methods for thermal storage in a zoning system
US-10830475-B2 · Nov 10, 2020 · US
Variable circuitry heat exchanger system
US-10830538-B2 · Nov 10, 2020 · US
Chilled beam installation system and method
US-2020340690-A1 · Oct 29, 2020 · US
Systems and methods for transitioning between a cooling operating mode and a reheat operating mode
US-2020300484-A1 · Sep 24, 2020 · US
Method and System of Controlling Operation State of Multi-Split Air Conditioner, and Heat Pump Multi-Split Air Conditioner
US-2020284461-A1 · Sep 10, 2020 · US
HVAC Systems and Methods with Refrigerant Purge
US-2020271343-A1 · Aug 27, 2020 · US
Systems and Methods for Pumping Down Flammable Refrigerant
US-2020240673-A1 · Jul 30, 2020 · US
Systems and Methods for Pumping Down Flammable Refrigerant
US-2020240661-A1 · Jul 30, 2020 · US
Method and system for supply-air re-circulation
US-2020173683-A1 · Jun 4, 2020 · US
Heat pump system and air-conditioner
US-10663198-B2 · May 26, 2020 · US
Backup control for hvac system with headless thermostat
US-2020149770-A1 · May 14, 2020 · US
Systems and methods for thermal storage in a zoning system
US-2020132324-A1 · Apr 30, 2020 · US
HVAC system with free cooling optimization based on coolant flowrate
US-10605477-B2 · Mar 31, 2020 · US
HVAC furnace condensate removal system
US-10584896-B2 · Mar 10, 2020 · US
Systems and methods for providing airflows across a heat exchanger
US-2020064015-A1 · Feb 27, 2020 · US
Air conditioning system
US-2020018513-A1 · Jan 16, 2020 · US
Building management system with searching using aliased points from equipment definitions
US-2019369575-A1 · Dec 5, 2019 · US
Method and apparatus for reduction of condensate re-evaporation during cooling part-load duty cycling
US-10473343-B2 · Nov 12, 2019 · US
Optimized energy usage in an air handling unit
US-10458672-B2 · Oct 29, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F24F3/001?
- CPC F24F3/001 is the Cooperative Patent Classification code for “in which the air treatment in the central station takes place by means of a heat-pump or by means of a reversible cycle (reversible cycle for humidifying and drying air F24F3/147).”
- How many patents are filed under CPC F24F3/001 (in which the air treatment in the central station takes place by means of a heat-pump or by means of a reversible cycle (reversible cycle for humidifying and drying air F24F3/147))?
- Our database includes 177 publications tagged with this CPC code.
- Is patent activity under CPC F24F3/001 growing?
- Publication counts under this code: 22 in 2024 vs 14 in 2025 (latest complete years).