Pumping Device
US-2026085675-A1 · Mar 26, 2026 · US
with in- or outlet valve arranged in the plate-like flexible member (valve arranged in the piston F04B53/12)
with in- or outlet valve arranged in the plate-like flexible member (valve arranged in the piston F04B53/12) · 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 | F04B43/028 |
| Official title | {with in- or outlet valve arranged in the plate-like flexible member (valve arranged in the piston F04B53/12)} |
| Display label | with in- or outlet valve arranged in the plate-like flexible member (valve arranged in the piston F04B53/12) |
| Total patents | 40 |
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 | 5 |
| 2017 | 3 |
| 2018 | 5 |
| 2019 | 8 |
| 2020 | 5 |
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fluid control apparatus and electronic apparatus
US-12135022-B2 · Nov 5, 2024 · US
Water pump and pumping device
US-12060871-B2 · Aug 13, 2024 · US
Thin MEMS pump with membrane and valve lip structure
US-11835041-B2 · Dec 5, 2023 · US
Fluid control apparatus
US-11821414-B2 · Nov 21, 2023 · US
Water pump and pumping device
US-2023131498-A1 · Apr 27, 2023 · US
Piezoelectric pump and pump unit
US-2022316467-A1 · Oct 6, 2022 · US
Fluid control apparatus and electronic apparatus
US-2022260067-A1 · Aug 18, 2022 · US
Diaphragm pump device and diaphragm pump having a diaphragm pump device and an actuation device
US-11306709-B2 · Apr 19, 2022 · US
Fluid control apparatus
US-2022074401-A1 · Mar 10, 2022 · US
Pump system
US-2021316064-A1 · Oct 14, 2021 · US
Pressure control gaskets for operating pump cassette membranes
US-10941760-B2 · Mar 9, 2021 · US
Thin MEMS Pump
US-2021040942-A1 · Feb 11, 2021 · US
Pressure control gaskets for operating pump cassette membranes
US-2020263677-A1 · Aug 20, 2020 · US
Fluid transportation device
US-10704544-B2 · Jul 7, 2020 · US
Diaphragm pump, pump unit, and inkjet printer
US-10688802-B2 · Jun 23, 2020 · US
Fluid transportation device
US-10662938-B2 · May 26, 2020 · US
Pressure control gaskets for operating pump cassette membranes
US-10578092-B2 · Mar 3, 2020 · US
Method for generating a flow of fluid
US-10519945-B2 · Dec 31, 2019 · US
Diaphragm Pump Device And Diaphragm Pump Having A Diaphragm Pump Device And An Actuation Device
US-2019345925-A1 · Nov 14, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04B43/028?
- CPC F04B43/028 is the Cooperative Patent Classification code for “with in- or outlet valve arranged in the plate-like flexible member (valve arranged in the piston F04B53/12).”
- How many patents are filed under CPC F04B43/028 (with in- or outlet valve arranged in the plate-like flexible member (valve arranged in the piston F04B53/12))?
- Our database includes 40 publications tagged with this CPC code.
- Is patent activity under CPC F04B43/028 growing?
- Publication counts under this code: 3 in 2023 vs 2 in 2024 (latest complete years).