Medical air treatment device
US-11185457-B2 · Nov 30, 2021 · US
Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems (room units F24F1/00)
Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems (room units F24F1/00) · 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 | F24F3/00 |
| Official title | Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems (room units F24F1/00) |
| Display label | Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems (room units F24F1/00) |
| Total patents | 103 |
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 | 7 |
| 2017 | 8 |
| 2018 | 7 |
| 2019 | 11 |
| 2020 | 13 |
| 2021 | 14 |
| 2022 | 16 |
| 2023 | 10 |
| 2024 | 6 |
| 2025 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Refrigeration cycle control
US-11162705-B2 · Nov 2, 2021 · US
Geothermal heat utilization system and operation method for geothermal heat utilization system
US-2021293456-A1 · Sep 23, 2021 · US
Cartridge for airflow scrubbing systems and methods of manufacture thereof
US-11071939-B2 · Jul 27, 2021 · US
Physical vapor deposition (PVD) electrostatic chuck with improved thermal coupling for temperature sensitive processes
US-11031273-B2 · Jun 8, 2021 · US
Refrigeration cycle control
US-2021063043-A1 · Mar 4, 2021 · US
Air handler unit
US-2021018185-A1 · Jan 21, 2021 · US
Heat Exchanger Transfer Tubes
US-2021018270-A1 · Jan 21, 2021 · US
Air quality control and disinfection system
US-2021010701-A1 · Jan 14, 2021 · US
Air conditioner system and control method thereof
US-2020348037-A1 · Nov 5, 2020 · US
Heating unit with a partition
US-2020309414-A1 · Oct 1, 2020 · US
Auxiliary economizer for an hvac system
US-2020263899-A1 · Aug 20, 2020 · US
Medical air treatment device
US-2020261295-A1 · Aug 20, 2020 · US
Air conditioner with refrigerant leakage control
US-10712035-B2 · Jul 14, 2020 · US
Medical air treatment device
US-10702435-B2 · Jul 7, 2020 · US
Physical vapor deposition (pvd) electrostatic chuck with improved thermal coupling for temperature sensitive processes
US-2020185247-A1 · Jun 11, 2020 · US
Compressor driving apparatus and chiller including the same
US-10677496-B2 · Jun 9, 2020 · US
Air conditioner
US-2020088431-A1 · Mar 19, 2020 · US
Remote testing of HVAC systems
US-10571903-B2 · Feb 25, 2020 · US
Building unit and building
US-10563394-B2 · Feb 18, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F24F3/00?
- CPC F24F3/00 is the Cooperative Patent Classification code for “Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems (room units F24F1/00).”
- How many patents are filed under CPC F24F3/00 (Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems (room units F24F1/00))?
- Our database includes 103 publications tagged with this CPC code.
- Is patent activity under CPC F24F3/00 growing?
- Publication counts under this code: 6 in 2024 vs 6 in 2025 (latest complete years).