Active HVAC door and methods
US-12504183-B2 · Dec 23, 2025 · US
cyclic routing supply and exhaust air · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F24F2012/008 |
| Official title | {cyclic routing supply and exhaust air} |
| Display label | cyclic routing supply and exhaust air |
| Total patents | 11 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12504183-B2 · Dec 23, 2025 · US
US-11898773-B2 · Feb 13, 2024 · US
US-2023383967-A1 · Nov 30, 2023 · US
US-11619417-B2 · Apr 4, 2023 · US
US-11609000-B2 · Mar 21, 2023 · US
US-2022381454-A1 · Dec 1, 2022 · US
US-2022333812-A1 · Oct 20, 2022 · US
US-2021080131-A1 · Mar 18, 2021 · US
US-2018224149-A1 · Aug 9, 2018 · US
US-2017045258-A1 · Feb 16, 2017 · US
US-2016305683-A1 · Oct 20, 2016 · US