Nozzle assembly for exhaust fan unit of hvac system
US-2025102167-A1 · Mar 27, 2025 · US
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Draining devices
Draining devices · 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 | F23L17/14 |
| Official title | Draining devices |
| Display label | Draining devices |
| Total patents | 7 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2020 | 1 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Nozzle assembly for exhaust fan unit of HVAC system
US-12163676-B2 · Dec 10, 2024 · US
Flue damper having a float coupled to a damper gate
US-11703221-B2 · Jul 18, 2023 · US
Nozzle assembly for exhaust fan unit of hvac system
US-2022260089-A1 · Aug 18, 2022 · US
Nozzle assembly for exhaust fan unit of HVAC system
US-11320159-B2 · May 3, 2022 · US
Flue damper having a float coupled to a damper gate
US-2022082252-A1 · Mar 17, 2022 · US
Nozzle assembly for exhaust fan unit of hvac system
US-2020088426-A1 · Mar 19, 2020 · US