Fluid working machine having first and second valve cylinder devices in fluid communication with each other via a common conduit
US-10995739-B2 · May 4, 2021 · US
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with two or more series radial piston-cylinder units
with two or more series radial piston-cylinder units · 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 | F01B1/0634 |
| Official title | {with two or more series radial piston-cylinder units} |
| Display label | with two or more series radial piston-cylinder units |
| Total patents | 6 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be declining based on the most recent years.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2018 | 1 |
| 2020 | 2 |
| 2021 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fluid working machine having offset valve cylinders
US-10677058-B2 · Jun 9, 2020 · US
Rotating machine having magnetically actuated pistons
US-10658915-B2 · May 19, 2020 · US
Rotating machine having magnetically actuated pistons
US-2018358881-A1 · Dec 13, 2018 · US
Fluid working machine
US-2016356160-A1 · Dec 8, 2016 · US
Fluid working machine
US-2016123311-A1 · May 5, 2016 · US