Apparatus for controlling fan motor, air conditioning system and constant airflow control method of apparatus for controlling fan motor
US-12422160-B2 · Sep 23, 2025 · US
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characterised by the pressure or velocity of the primary air
characterised by the pressure or velocity of the primary 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 | F24F3/02 |
| Official title | characterised by the pressure or velocity of the primary air |
| Display label | characterised by the pressure or velocity of the primary air |
| Total patents | 8 |
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 |
| 2018 | 1 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Building control system using a control device position as a proxy for static pressure in a conduit
US-11859848-B2 · Jan 2, 2024 · US
Apparatus for controlling fan motor, air conditioning system and constant airflow control method of apparatus for controlling fan motor
US-2023235915-A1 · Jul 27, 2023 · US
Air conditioner
US-11339983-B2 · May 24, 2022 · US
Building control system using a control device position as a proxy for static pressure in a conduit
US-2021404690-A1 · Dec 30, 2021 · US
Air conditioner
US-2020208855-A1 · Jul 2, 2020 · US
Optimization system and methods for furnaces, heat pumps and air conditioners
US-2018292103-A1 · Oct 11, 2018 · US
Light cover
US-2015276165-A1 · Oct 1, 2015 · US