Assistive torque electro-hydraulic piston pump system
US-2023151800-A1 · May 18, 2023 · US
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with two or more serially arranged radial piston-cylinder units
with two or more serially arranged 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 | F04B1/0474 |
| Official title | with two or more serially arranged radial piston-cylinder units |
| Display label | with two or more serially arranged radial piston-cylinder units |
| Total patents | 4 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2018 | 1 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Piston unit and hydrostatic radial-piston machine
US-10082027-B2 · Sep 25, 2018 · US
Piston Unit and Hydrostatic Radial-Piston Machine
US-2016201461-A1 · Jul 14, 2016 · US
Radial fluid device with multi-harmonic output
US-9162760-B2 · Oct 20, 2015 · US