Air-conditioning apparatus
US-12392506-B2 · Aug 19, 2025 · US
characterised by heating arrangements (characterised by heat exchangers F24F1/0059) · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F24F1/009 |
| Official title | characterised by heating arrangements (characterised by heat exchangers F24F1/0059) |
| Display label | characterised by heating arrangements (characterised by heat exchangers F24F1/0059) |
| Total patents | 17 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12392506-B2 · Aug 19, 2025 · US
US-2025207787-A1 · Jun 26, 2025 · US
US-12123603-B2 · Oct 22, 2024 · US
US-2024159403-A1 · May 16, 2024 · US
US-11768008-B2 · Sep 26, 2023 · US
US-2023204228-A1 · Jun 29, 2023 · US
US-2023141194-A1 · May 11, 2023 · US
US-2022096696-A1 · Mar 31, 2022 · US
US-2021278100-A1 · Sep 9, 2021 · US
US-11105531-B2 · Aug 31, 2021 · US
US-2021262692-A1 · Aug 26, 2021 · US
US-10830472-B2 · Nov 10, 2020 · US
US-2020200418-A1 · Jun 25, 2020 · US
US-2019212031-A1 · Jul 11, 2019 · US
US-9933168-B2 · Apr 3, 2018 · US
US-2016084510-A1 · Mar 24, 2016 · US
US-2015153111-A1 · Jun 4, 2015 · US