Multi piston machine with at least three switchable displacement volumes
US-12404832-B2 · Sep 2, 2025 · US
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Controlling
Controlling · 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 | F03C1/0447 |
| Official title | {Controlling} |
| Display label | Controlling |
| Total patents | 18 |
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 | 1 |
| 2017 | 4 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Multi Piston Machine with at least Three Switchable Displacement Volumes
US-2022389902-A1 · Dec 8, 2022 · US
Hydraulic arrangement for a steered wheel of a vehicle
US-11459889-B2 · Oct 4, 2022 · US
Hydraulic arrangement for a steered wheel of a vehicle
US-2021108608-A1 · Apr 15, 2021 · US
Hydraulic machines and systems
US-2020386101-A1 · Dec 10, 2020 · US
Hydraulic machine having two cylinder capacities and a safety valve
US-10697442-B2 · Jun 30, 2020 · US
Distribution device for hydraulic machine
US-10563641-B2 · Feb 18, 2020 · US
Braking system for a hydraulic machine
US-10364792-B2 · Jul 30, 2019 · US
Hydraulic Machine Including an Improved Braking System
US-2019128259-A1 · May 2, 2019 · US
Radial piston machine having braking means secured against twisting
US-10221831-B2 · Mar 5, 2019 · US
Hydraulic transmission
US-9976641-B2 · May 22, 2018 · US
Braking system for a hydraulic machine
US-2018087486-A1 · Mar 29, 2018 · US
Radial piston engine with brake
US-9777573-B2 · Oct 3, 2017 · US
Distribution device for a hydraulic machine
US-2017248241-A1 · Aug 31, 2017 · US
Radial Piston Machine having Braking Means Secured against Twisting
US-2017138334-A1 · May 18, 2017 · US
Hydraulic machine having two cylinder capacities and a safety valve
US-2017122285-A1 · May 4, 2017 · US
Hydraulic transmission
US-2016208898-A1 · Jul 21, 2016 · US
Radial Piston Engine with Brake
US-2015128797-A1 · May 14, 2015 · US