Thermal system with exhaust heat exchanger
US-12474079-B2 · Nov 18, 2025 · US
using a heat pump
using a heat pump · 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 | F24F12/003 |
| Official title | {using a heat pump} |
| Display label | using a heat pump |
| Total patents | 73 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 7 |
| 2019 | 4 |
| 2020 | 4 |
| 2021 | 6 |
| 2022 | 7 |
| 2023 | 8 |
| 2024 | 11 |
| 2025 | 14 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Window-type air conditioner
US-2025283613-A1 · Sep 11, 2025 · US
Ventilator assembly having a variable fan control for air flow in an air conditioner
US-2025271157-A1 · Aug 28, 2025 · US
Dedicated outdoor air system with a plurality of modes of operation
US-12196442-B2 · Jan 14, 2025 · US
Air-conditioner
US-12173919-B2 · Dec 24, 2024 · US
Air conditioner
US-2024401820-A1 · Dec 5, 2024 · US
HVACR system with zone heating
US-12123603-B2 · Oct 22, 2024 · US
Ventilation system
US-2024328648-A1 · Oct 3, 2024 · US
Conditioning system including vapor compression system and evaporative cooling system
US-2024280299-A1 · Aug 22, 2024 · US
Ventilator and air conditioning system
US-2024219065-A1 · Jul 4, 2024 · US
Ventilation system and method for controlling the same
US-2024167710-A1 · May 23, 2024 · US
Conditioning system including vapor compression system and evaporative cooling system
US-11982471-B2 · May 14, 2024 · US
Air conditioning system
US-2024093903-A1 · Mar 21, 2024 · US
Air-conditioner
US-2024068701-A1 · Feb 29, 2024 · US
Using liquid to air membrane energy exchanger for liquid cooling
US-2024027094-A1 · Jan 25, 2024 · US
Using liquid to air membrane energy exchanger for liquid cooling
US-11815283-B2 · Nov 14, 2023 · US
Conditioning system including vapor compression system and evaporative cooling system
US-2023349600-A1 · Nov 2, 2023 · US
Dedicated outdoor air system with a plurality of modes of operation
US-2023304692-A1 · Sep 28, 2023 · US
Hvacr system with zone heating
US-2023204228-A1 · Jun 29, 2023 · US
Air conditioning system
US-2023135260-A1 · May 4, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F24F12/003?
- CPC F24F12/003 is the Cooperative Patent Classification code for “using a heat pump.”
- How many patents are filed under CPC F24F12/003 (using a heat pump)?
- Our database includes 73 publications tagged with this CPC code.
- Is patent activity under CPC F24F12/003 growing?
- Publication counts under this code: 11 in 2024 vs 14 in 2025 (latest complete years).