Hydraulic pump
US-2023400021-A1 · Dec 14, 2023 · US
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having movable cylinders
having movable cylinders · 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 | F04B19/02 |
| Official title | having movable cylinders |
| Display label | having movable cylinders |
| Total patents | 6 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 3 |
| 2019 | 1 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Device for supplying and metering a fluid for medicinal purposes
US-10300192-B2 · May 28, 2019 · US
Ultrasonic fluid pressure generator
US-9410542-B2 · Aug 9, 2016 · US
Variable radial fluid device with counteracting cams
US-9399984-B2 · Jul 26, 2016 · US
Variable radial fluid devices in series
US-9303638-B2 · Apr 5, 2016 · US
Device for supplying and metering a fluid for medicinal purposes
US-2015032055-A1 · Jan 29, 2015 · US