Multi-stage buffer hydraulic cylinder for wave-energy power generation apparatus and multi-stage buffer hydraulic control method
US-2025122859-A1 · Apr 17, 2025 · US
This page is not indexed by search engines while we improve data quality.
and the wom directly actuates the piston of a pump
and the wom directly actuates the piston of a pump · 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 | F03B13/187 |
| Official title | {and the wom directly actuates the piston of a pump} |
| Display label | and the wom directly actuates the piston of a pump |
| Total patents | 13 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 5 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Submerged wave energy converter for deep water operations
US-2021404436-A1 · Dec 30, 2021 · US
Underwater energy storage system
US-11136963-B2 · Oct 5, 2021 · US
Method for controlling a wave power system by means of a control obtained by minimizing an objective function weighted and discretized by the trapezoidal rule
US-11111897-B2 · Sep 7, 2021 · US
Submerged wave energy converter for deep water operations
US-11002243-B2 · May 11, 2021 · US
Wave power generation device
US-10883470-B2 · Jan 5, 2021 · US
Underwater energy storage system
US-2020400123-A1 · Dec 24, 2020 · US
Wave power generation device
US-2020149506-A1 · May 14, 2020 · US
Method for controlling a wave power system by means of a control obtained by minimizing an objective function weighted and discretized by the trapezoidal rule
US-2019277244-A1 · Sep 12, 2019 · US
Method and system for extracting kinetic energy from surface waves of a water
US-9951747-B2 · Apr 24, 2018 · US
Carpet of wave energy conversion (CWEC)
US-9777701-B2 · Oct 3, 2017 · US
Method and system for extracting kinetic energy from surface waves of a water
US-2016237980-A1 · Aug 18, 2016 · US
Carpet of wave energy conversion (cwec)
US-2016108883-A1 · Apr 21, 2016 · US