Dishwasher including heat pump apparatus
US-2026053328-A1 · Feb 26, 2026 · US
Air heaters
Air heaters · 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 | F24H4/06 |
| Official title | Air heaters |
| Display label | Air heaters |
| Total patents | 35 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 5 |
| 2017 | 1 |
| 2018 | 4 |
| 2019 | 2 |
| 2020 | 4 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 6 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Condensate pan for a heat exchanger
US-2025271172-A1 · Aug 28, 2025 · US
Blower
US-2025084868-A1 · Mar 13, 2025 · US
On-Demand Heat Pump Water Heater
US-2025075941-A1 · Mar 6, 2025 · US
Vehicle air conditioning system
US-2025074142-A1 · Mar 6, 2025 · US
Temperature regulating device
US-2025018769-A1 · Jan 16, 2025 · US
Blower
US-12188486-B2 · Jan 7, 2025 · US
On-demand heat pump water heater
US-12173929-B2 · Dec 24, 2024 · US
Blower
US-2024240648-A1 · Jul 18, 2024 · US
Blower
US-11971049-B2 · Apr 30, 2024 · US
Heating unit with a partition
US-11920831-B2 · Mar 5, 2024 · US
On-Demand Heat Pump Water Heater
US-2024044547-A1 · Feb 8, 2024 · US
Air conditioning system
US-11879650-B2 · Jan 23, 2024 · US
Dishwasher including heat pump apparatus
US-2023414060-A1 · Dec 28, 2023 · US
On-demand heat pump water heater
US-11788769-B2 · Oct 17, 2023 · US
Blower
US-2022205457-A1 · Jun 30, 2022 · US
Air conditioning system
US-2021318012-A1 · Oct 14, 2021 · US
On-demand heat pump water heater
US-2021318027-A1 · Oct 14, 2021 · US
Refrigeration cycle device
US-11015851-B2 · May 25, 2021 · US
Detecting blockage of air conditioner unit based on fan speed
US-10830481-B2 · Nov 10, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F24H4/06?
- CPC F24H4/06 is the Cooperative Patent Classification code for “Air heaters.”
- How many patents are filed under CPC F24H4/06 (Air heaters)?
- Our database includes 35 publications tagged with this CPC code.
- Is patent activity under CPC F24H4/06 growing?
- Publication counts under this code: 6 in 2024 vs 6 in 2025 (latest complete years).