Heating device and manufacturing method of can body
US-2026054308-A1 · Feb 26, 2026 · US
the air being in direct contact with the heating medium, e.g. electric heating element
the air being in direct contact with the heating medium, e.g. electric heating element · 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 | F24H3/04 |
| Official title | the air being in direct contact with the heating medium, e.g. electric heating element |
| Display label | the air being in direct contact with the heating medium, e.g. electric heating element |
| Total patents | 56 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 1 |
| 2017 | 5 |
| 2018 | 4 |
| 2019 | 5 |
| 2020 | 12 |
| 2021 | 5 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 5 |
| 2025 | 6 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fluidic turbo heater system
US-12546273-B2 · Feb 10, 2026 · US
Convective heating module
US-2026008321-A1 · Jan 8, 2026 · US
Slow cooker
US-12329305-B2 · Jun 17, 2025 · US
Heating element assemblies for air handling units
US-2025172299-A1 · May 29, 2025 · US
Heating systems with unhoused centrifugal fan and wraparound heat exchanger
US-12305886-B2 · May 20, 2025 · US
Partition
US-12270200-B2 · Apr 8, 2025 · US
Air treatment device
US-2025102184-A1 · Mar 27, 2025 · US
Fluidic turbo heater system
US-2025043713-A1 · Feb 6, 2025 · US
Hair styling appliance
US-2024365942-A1 · Nov 7, 2024 · US
Flow generating device
US-12061015-B2 · Aug 13, 2024 · US
Fluidic turbo heater system
US-11965456-B2 · Apr 23, 2024 · US
Partition
US-2024052628-A1 · Feb 15, 2024 · US
Slow cooker
US-2024023745-A1 · Jan 25, 2024 · US
Slow cooker
US-11825975-B2 · Nov 28, 2023 · US
PTC heater
US-11618302-B2 · Apr 4, 2023 · US
Fluid heater, fluid control apparatus, and production method for fluid heater
US-11402124-B2 · Aug 2, 2022 · US
Heating systems with unhoused centrifugal fan and wraparound heat exchanger
US-2022186979-A1 · Jun 16, 2022 · US
Frame feeder
US-11315808-B2 · Apr 26, 2022 · US
Apparatus for storing mask
US-11262649-B2 · Mar 1, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F24H3/04?
- CPC F24H3/04 is the Cooperative Patent Classification code for “the air being in direct contact with the heating medium, e.g. electric heating element.”
- How many patents are filed under CPC F24H3/04 (the air being in direct contact with the heating medium, e.g. electric heating element)?
- Our database includes 56 publications tagged with this CPC code.
- Is patent activity under CPC F24H3/04 growing?
- Publication counts under this code: 5 in 2024 vs 6 in 2025 (latest complete years).