Hydrostatic rotating machine with radial pistons and with improved distribution
US-12553501-B2 · Feb 17, 2026 · US
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Hydraulic differential gearings, e.g. having a rotary input housing with interconnected liquid chambers for both outputs
Hydraulic differential gearings, e.g. having a rotary input housing with interconnected liquid chambers for both outputs · 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 | F16H39/40 |
| Official title | Hydraulic differential gearings, e.g. having a rotary input housing with interconnected liquid chambers for both outputs |
| Display label | Hydraulic differential gearings, e.g. having a rotary input housing with interconnected liquid chambers for both outputs |
| Total patents | 5 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be growing based on the most recent years.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2023 | 1 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hydrostatic traction drive for a laterally-steered vehicle and hydrostatic drive for a laterally-steered mobile work machine
US-12459568-B2 · Nov 4, 2025 · US
Hydrostatic Rotating Machine with Radial Pistons and with Improved Distribution
US-2025137517-A1 · May 1, 2025 · US
Hydrostatic Traction Drive for a Laterally-Steered Vehicle and Hydrostatic Drive for a Laterally-Steered Mobile Work Machine
US-2023032780-A1 · Feb 2, 2023 · US
Hydraulic motor-pump with fixed or variable displacement
US-9546654-B2 · Jan 17, 2017 · US