Hydrostatic radial piston unit
US-12523201-B2 · Jan 13, 2026 · US
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Cams
Cams · 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 | F03C1/0409 |
| Official title | {Cams} |
| Display label | Cams |
| Total patents | 20 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 4 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 2 |
| 2024 | 1 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for self-compensation structure of cam-lobe hydraulic motor plate distribution system
US-12503993-B2 · Dec 23, 2025 · US
Fabrication of nanotube bundles and reactors for the same
US-2025361856-A1 · Nov 27, 2025 · US
Multi piston machine with at least three switchable displacement volumes
US-12404832-B2 · Sep 2, 2025 · US
Design method for self-compensation structure of cam-lobe hydraulic motor plate distribution system
US-2024280120-A1 · Aug 22, 2024 · US
Multi Piston Machine with at least Three Switchable Displacement Volumes
US-2022389902-A1 · Dec 8, 2022 · US
Cylinder block comprising piston-holding means
US-11313345-B2 · Apr 26, 2022 · US
Cylinder Block Comprising Piston-Holding Means
US-2021254597-A1 · Aug 19, 2021 · US
Distributer phase shifter for a hydraulic pump motor
US-10632829-B2 · Apr 28, 2020 · US
Cam Profile for a Hydrostatic Radial Piston Machine, and Hydrostatic Radial Piston Machine
US-2019153865-A1 · May 23, 2019 · US
Hydrostatic radial piston machine
US-10107099-B2 · Oct 23, 2018 · US
Vehicle
US-10066609-B2 · Sep 4, 2018 · US
Hydraulic transmission circuit
US-9719593-B2 · Aug 1, 2017 · US
Distributer phase shifter for a hydraulic pump motor
US-2016245084-A1 · Aug 25, 2016 · US
Hydrostatic Radial Piston Machine
US-2016177719-A1 · Jun 23, 2016 · US
Fluid-working machine with multi-lobe ring cam
US-9328720-B2 · May 3, 2016 · US
Subassembly forming a hydrobase for hydraulic motors, and assembly method
US-9284942-B2 · Mar 15, 2016 · US
Vehicle
US-2015308419-A1 · Oct 29, 2015 · US
Ring cam and fluid-working machine including ring cam
US-9127656-B2 · Sep 8, 2015 · US
Hydraulic motor with radial pistons and control by cylinder
US-9074578-B2 · Jul 7, 2015 · US