Backdraft damper with electromagnet for terminal unit
US-2025347440-A1 · Nov 13, 2025 · US
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with magnets
with magnets · 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 | F24F2013/148 |
| Official title | {with magnets} |
| Display label | with magnets |
| Total patents | 8 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 3 |
| 2022 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Air purifier
US-11402109-B2 · Aug 2, 2022 · US
Air purifier
US-2020300485-A1 · Sep 24, 2020 · US
Vent assembly for blowing device and air conditioner
US-2020166240-A1 · May 28, 2020 · US
HVAC actuator with contactless adjustable settings
US-10648691-B2 · May 12, 2020 · US
Hvac actuator with contactless adjustable settings
US-2019277532-A1 · Sep 12, 2019 · US
HVAC actuator
US-10069448-B2 · Sep 4, 2018 · US
Hvac actuator
US-2017356667-A1 · Dec 14, 2017 · US