Priming system for infusion devices
US-12390582-B2 · Aug 19, 2025 · US
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Priming of not self-priming pumps
Priming of not self-priming pumps · 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 | F04D9/004 |
| Official title | {Priming of not self-priming pumps} |
| Display label | Priming of not self-priming pumps |
| Total patents | 19 |
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 |
| 2016 | 1 |
| 2017 | 3 |
| 2019 | 1 |
| 2021 | 7 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pumping device for pumping liquids, comprising a centrifugal pump with a radially pumping pump wheel with a hollow center
US-11982295-B2 · May 14, 2024 · US
Inline cavitation reduction for a beverage appliance
US-2023363578-A1 · Nov 16, 2023 · US
Swimming pool and spa pumps configured to improve priming performance
US-11698073-B2 · Jul 11, 2023 · US
Priming System for Infusion Devices
US-2023011520-A1 · Jan 12, 2023 · US
Priming system for infusion devices
US-11389584-B2 · Jul 19, 2022 · US
Swimming pool and spa pumps configured to improve priming performance
US-2021310490-A1 · Oct 7, 2021 · US
Pumping device for pumping liquids, comprising a centrifugal pump with a radially pumping pump wheel with a hollow center
US-2021268263-A1 · Sep 2, 2021 · US
Centrifugal pump
US-11067086-B2 · Jul 20, 2021 · US
Systems and methods for enhanced de-gas system in a vehicle
US-2021197642-A1 · Jul 1, 2021 · US
Optimal design method for jet-type self-priming centrifugal pump
US-2021192103-A1 · Jun 24, 2021 · US
Priming System for Infusion Devices
US-2021146039-A1 · May 20, 2021 · US
Control algorithm of variable speed pumping system
US-2021054846-A1 · Feb 25, 2021 · US
Redox flow battery
US-2019237792-A1 · Aug 1, 2019 · US
Centrifugal pump
US-2017328366-A1 · Nov 16, 2017 · US
Control Algorithm of Variable Speed Pumping System
US-2017198697-A1 · Jul 13, 2017 · US
Control algorithm of variable speed pumping system
US-9605680-B2 · Mar 28, 2017 · US
Control algorithm of variable speed pumping system
US-9404500-B2 · Aug 2, 2016 · US
System and method of priming a surgical cassette
US-9132229-B2 · Sep 15, 2015 · US