Multiport fluid pump with integrated valve
US-12297843-B2 · May 13, 2025 · US
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adjusting flow cross-section, otherwise than by using adjustable stator blades
adjusting flow cross-section, otherwise than by using adjustable stator blades · 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 | F04D29/468 |
| Official title | {adjusting flow cross-section, otherwise than by using adjustable stator blades} |
| Display label | adjusting flow cross-section, otherwise than by using adjustable stator blades |
| Total patents | 21 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 4 |
| 2021 | 5 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Variable mechanical automotive coolant pump
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Clothes treating apparatus
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Multiport fluid pump with integrated valve
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Variable mechanical automotive coolant pump
US-2023358239-A1 · Nov 9, 2023 · US
Adaptive volutes for centrifugal pumps
US-11708841-B2 · Jul 25, 2023 · US
Centrifugal pump with adaptive pump stages
US-11268520-B2 · Mar 8, 2022 · US
Centrifugal pump with adaptive pump stages
US-11268519-B2 · Mar 8, 2022 · US
Electric submersible pump (ESP) with gas handling shroud inlet
US-11149535-B2 · Oct 19, 2021 · US
Electric Submersible Pump (ESP) with Gas Handling Shroud Inlet
US-2021270119-A1 · Sep 2, 2021 · US
Pump with variable flow diverter that forms volute
US-11105339-B2 · Aug 31, 2021 · US
Clothes treating apparatus
US-2021207313-A1 · Jul 8, 2021 · US
Adaptive volutes for centrifugal pumps
US-2021079928-A1 · Mar 18, 2021 · US
Centrifugal pump with adaptive pump stages
US-2020141414-A1 · May 7, 2020 · US
Centrifugal pump with adaptive pump stages
US-2020141413-A1 · May 7, 2020 · US
Variable geometry diffuser ring
US-2020018326-A1 · Jan 16, 2020 · US
Centrifugal pump with adaptive pump stages
US-10533558-B2 · Jan 14, 2020 · US
Pump with variable flow diverter that forms volute
US-2019331131-A1 · Oct 31, 2019 · US
Centrifugal pump with adaptive pump stages
US-2018172010-A1 · Jun 21, 2018 · US
Mechanical coolant pump
US-9574485-B2 · Feb 21, 2017 · US