Semiconductor processing platform using heat pump for reduced energy consumption
US-2026055965-A1 · Feb 26, 2026 · US
Fluid heaters characterised by the use of heat pumps
Fluid heaters characterised by the use of heat pumps · 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 | F24H4/00 |
| Official title | Fluid heaters characterised by the use of heat pumps |
| Display label | Fluid heaters characterised by the use of heat pumps |
| Total patents | 27 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 5 |
| 2018 | 2 |
| 2019 | 4 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 2 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Semiconductor processing platform for reduced energy consumption
US-2026060030-A1 · Feb 26, 2026 · US
Heat pump
US-12422170-B2 · Sep 23, 2025 · US
System and method for operating ground-source heat pumps
US-2025164156-A1 · May 22, 2025 · US
Lower structure for hybrid automobile
US-12128753-B2 · Oct 29, 2024 · US
Road making machine with heat pump
US-2024125059-A1 · Apr 18, 2024 · US
Heat utilisation in an environmental control system
US-11780298-B2 · Oct 10, 2023 · US
Heat pump
US-2023101537-A1 · Mar 30, 2023 · US
Lower structure for hybrid automobile
US-2023023059-A1 · Jan 26, 2023 · US
Heat utilisation in an environmental control system
US-2022161633-A1 · May 26, 2022 · US
Device and method for icing prevention regulation for heat pump evaporators
US-10914504-B2 · Feb 9, 2021 · US
Heat pump device
US-10852007-B2 · Dec 1, 2020 · US
Preheater for compressor
US-10514025-B2 · Dec 24, 2019 · US
Heat pump device
US-2019331346-A1 · Oct 31, 2019 · US
Gas heat-pump system
US-10352593-B2 · Jul 16, 2019 · US
Heat pump and method of controlling heat based on operating frequency of heating load of heating space thereof
US-10184707-B2 · Jan 22, 2019 · US
Open absorption cycle for combined dehumidification, water heating, and evaporative cooling
US-10151498-B2 · Dec 11, 2018 · US
Motor incorporating power converter, and air conditioner, water heater, and ventilation blower incorporating the motor
US-10027268-B2 · Jul 17, 2018 · US
Combinations of E-1,3,3,3-tetrafluoropropene and at least one tetrafluoroethane and their use for heating
US-9828536-B2 · Nov 28, 2017 · US
Preheater for compressor
US-2017314815-A1 · Nov 2, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F24H4/00?
- CPC F24H4/00 is the Cooperative Patent Classification code for “Fluid heaters characterised by the use of heat pumps.”
- How many patents are filed under CPC F24H4/00 (Fluid heaters characterised by the use of heat pumps)?
- Our database includes 27 publications tagged with this CPC code.
- Is patent activity under CPC F24H4/00 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).