Centrifugal pump pet water fountain
US-12439887-B2 · Oct 14, 2025 · US
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Pumps raising fluids by centrifugal force within a conical rotary bowl with vertical axis
Pumps raising fluids by centrifugal force within a conical rotary bowl with vertical axis · 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 | F04D1/14 |
| Official title | Pumps raising fluids by centrifugal force within a conical rotary bowl with vertical axis |
| Display label | Pumps raising fluids by centrifugal force within a conical rotary bowl with vertical axis |
| Total patents | 24 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 1 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 2 |
| 2024 | 4 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Centrifugal pump pet water fountain
US-12419274-B1 · Sep 23, 2025 · US
Centrifugal pump pet water fountain
US-2025134063-A1 · May 1, 2025 · US
Drainage pump
US-12173723-B2 · Dec 24, 2024 · US
Centrifugal pump pet water fountain
US-12137677-B1 · Nov 12, 2024 · US
Overflow vortex transfer system
US-11939993-B2 · Mar 26, 2024 · US
Impeller for electric water pump
US-11873819-B2 · Jan 16, 2024 · US
Centrifugal pump pet water fountain
US-11825822-B2 · Nov 28, 2023 · US
Washer fluid pump
US-11697399-B2 · Jul 11, 2023 · US
Centrifugal pump pet water fountain
US-11470813-B2 · Oct 18, 2022 · US
Motor and drain pump including the same
US-2022316488-A1 · Oct 6, 2022 · US
Overflow vortex transfer system
US-2022082101-A1 · Mar 17, 2022 · US
Liquid atomization device and air cleaner using same
US-11203024-B2 · Dec 21, 2021 · US
Overflow vortex transfer system
US-11187233-B2 · Nov 30, 2021 · US
Centrifugal pump pet water fountain
US-2021212286-A1 · Jul 15, 2021 · US
Washer fluid pump
US-2020324737-A1 · Oct 15, 2020 · US
Impeller for electric water pump
US-2020116151-A1 · Apr 16, 2020 · US
Centrifugal pump pet water fountain
US-2020068848-A1 · Mar 5, 2020 · US
Systems and Methods for Managing Cuttings Using Eddy Pump and Tank
US-2019353165-A1 · Nov 21, 2019 · US
Overflow vortex transfer system
US-2017037852-A1 · Feb 9, 2017 · US