Straight axis variable displacement piston pump with rotating swash plate
US-2025389259-A1 · Dec 25, 2025 · US
by turning the swash plate, e.g. with fixed inclination · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F04B1/306 |
| Official title | by turning the swash plate, e.g. with fixed inclination |
| Display label | by turning the swash plate, e.g. with fixed inclination |
| Total patents | 7 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2019 | 1 |
| 2023 | 2 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025389259-A1 · Dec 25, 2025 · US
US-11767832-B2 · Sep 26, 2023 · US
US-2023204017-A1 · Jun 29, 2023 · US
US-2019145388-A1 · May 16, 2019 · US
US-2016084241-A1 · Mar 24, 2016 · US
US-9194469-B2 · Nov 24, 2015 · US
US-2015139824-A1 · May 21, 2015 · US