Air heating apparatus
US-2026071828-A1 · Mar 12, 2026 · US
assembled in arrays, each array being arranged in the same plane · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F28D7/087 |
| Official title | {assembled in arrays, each array being arranged in the same plane} |
| Display label | assembled in arrays, each array being arranged in the same plane |
| Total patents | 59 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 9 |
| 2017 | 7 |
| 2018 | 1 |
| 2019 | 10 |
| 2020 | 6 |
| 2021 | 8 |
| 2022 | 6 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 5 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2026071828-A1 · Mar 12, 2026 · US
US-2025354766-A1 · Nov 20, 2025 · US
US-12392562-B2 · Aug 19, 2025 · US
US-2025243810-A1 · Jul 31, 2025 · US
US-2025187898-A1 · Jun 12, 2025 · US
US-12264627-B2 · Apr 1, 2025 · US
US-2024328687-A1 · Oct 3, 2024 · US
US-2024280325-A1 · Aug 22, 2024 · US
US-2023279811-A1 · Sep 7, 2023 · US
US-11655737-B2 · May 23, 2023 · US
US-11609047-B2 · Mar 21, 2023 · US
US-2022228809-A1 · Jul 21, 2022 · US
US-2022228817-A1 · Jul 21, 2022 · US
US-11358208-B2 · Jun 14, 2022 · US
US-2022178623-A1 · Jun 9, 2022 · US
US-11287158-B2 · Mar 29, 2022 · US
US-2022034241-A1 · Feb 3, 2022 · US
US-11209212-B2 · Dec 28, 2021 · US
US-11150037-B2 · Oct 19, 2021 · US
US-2021310741-A1 · Oct 7, 2021 · US
Answers are generated from the same data shown on this page.