Motor control device
US-12401311-B2 · Aug 26, 2025 · US
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the pumps being of the circumferential flow type
the pumps being of the circumferential flow type · 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 | F04D15/005 |
| Official title | {the pumps being of the circumferential flow type} |
| Display label | the pumps being of the circumferential flow type |
| Total patents | 15 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Regenerative pump with variable regenerative flow
US-12173727-B2 · Dec 24, 2024 · US
Motor control device
US-2024048084-A1 · Feb 8, 2024 · US
Regenerative pump and methods
US-2023011740-A1 · Jan 12, 2023 · US
Rotodynamic pump having a body defining a body cavity with a first and second housing portion defining a portion of an impeller cavity and disposed within the body cavity wherein the body cavity extends at least in part around the second housing portion and the housing portions defining an impeller clearance
US-11459958-B2 · Oct 4, 2022 · US
Rotodynamic pump and method
US-11280342-B2 · Mar 22, 2022 · US
Aircraft engine fuel system and method
US-11230979-B2 · Jan 25, 2022 · US
Transfer pump and transfer pump accessory
US-11022123-B2 · Jun 1, 2021 · US
Regenerative pump start stage for high speed centrifugal fuel pump
US-10927837-B2 · Feb 23, 2021 · US
Rotodynamic pump and method
US-2020318644-A1 · Oct 8, 2020 · US
Rotodynamic pump and method
US-2020300179-A1 · Sep 24, 2020 · US
Aircraft engine fuel system and method
US-2020284205-A1 · Sep 10, 2020 · US
Transfer pump and transfer pump accessory
US-2019264693-A1 · Aug 29, 2019 · US
Regenerative pump start stage for high speed centrifugal fuel pump
US-2018347570-A1 · Dec 6, 2018 · US
Pressure Exchange Device
US-2015050167-A1 · Feb 19, 2015 · US