Hydraulically driven fluid injection system
US-2026085652-A1 · Mar 26, 2026 · US
hydraulic, e.g. with pressure amplification
hydraulic, e.g. with pressure amplification · 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 | F02M57/025 |
| Official title | {hydraulic, e.g. with pressure amplification} |
| Display label | hydraulic, e.g. with pressure amplification |
| Total patents | 46 |
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 | 9 |
| 2016 | 10 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 8 |
| 2021 | 7 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Dual fuel engine system having fuel-actuated unit pumps and method
US-12234782-B1 · Feb 25, 2025 · US
Liquid ammonia phase-change cooling type hybrid power thermal management system
US-12134980-B2 · Nov 5, 2024 · US
Liquid ammonia phase-change cooling type hybrid power thermal management system
US-2023160330-A1 · May 25, 2023 · US
Rotary engine lubrication system using intensifier injector
US-2021355898-A1 · Nov 18, 2021 · US
Engine
US-11174826-B2 · Nov 16, 2021 · US
Rotary engine lubrication system using intensifier injector
US-11174732-B1 · Nov 16, 2021 · US
Fuel injection system for aircraft engine
US-11111848-B1 · Sep 7, 2021 · US
Systeme d'injection hydraulique a came
US-2021108602-A1 · Apr 15, 2021 · US
Control device for internal combustion engine having pressure increasing device
US-10968850-B2 · Apr 6, 2021 · US
Method and system for spill valve movement detection
US-10941738-B1 · Mar 9, 2021 · US
Engine
US-2020392929-A1 · Dec 17, 2020 · US
Filter for fuel injectors
US-10830196-B2 · Nov 10, 2020 · US
Filter assembly for fuel injectors
US-10767614-B2 · Sep 8, 2020 · US
Liquid fuel injector having dual nozzle outlet sets, fuel system, and method
US-10767610-B2 · Sep 8, 2020 · US
Filter for fuel injectors
US-2020173410-A1 · Jun 4, 2020 · US
Controller for internal combustion engine, internal combustion engine, and control method of internal combustion engine
US-10641198-B2 · May 5, 2020 · US
Filter assembly for fuel injectors
US-2020132030-A1 · Apr 30, 2020 · US
Liquid fuel injector having dual nozzle outlet sets, fuel system, and method
US-2020063704-A1 · Feb 27, 2020 · US
Control device for internal combustion engine
US-10450984-B2 · Oct 22, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02M57/025?
- CPC F02M57/025 is the Cooperative Patent Classification code for “hydraulic, e.g. with pressure amplification.”
- How many patents are filed under CPC F02M57/025 (hydraulic, e.g. with pressure amplification)?
- Our database includes 46 publications tagged with this CPC code.
- Is patent activity under CPC F02M57/025 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).