Dual fuel engine system having fuel-actuated unit pumps and method
US-12234782-B1 · Feb 25, 2025 · US
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characterised by having multi-stage compression of fuel
characterised by having multi-stage compression of fuel · 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 | F02M59/16 |
| Official title | characterised by having multi-stage compression of fuel |
| Display label | characterised by having multi-stage compression of fuel |
| Total patents | 12 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 3 |
| 2018 | 4 |
| 2020 | 2 |
| 2023 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
High-pressure fuel pipe
US-11719206-B2 · Aug 8, 2023 · US
High-pressure fuel pipe
US-2023095779-A1 · Mar 30, 2023 · US
Pump device and fuel supply device for an internal combustion engine and mixing device, in particular for a motor vehicle
US-10590900-B2 · Mar 17, 2020 · US
Liquid pump with cavitation mitigation
US-10557446-B2 · Feb 11, 2020 · US
Hydromechanical fuel system with dual bypass
US-10125732-B1 · Nov 13, 2018 · US
Multiple stage fuel pump
US-10119509-B2 · Nov 6, 2018 · US
Liquid pump with cavitation mitigation
US-2018306150-A1 · Oct 25, 2018 · US
Pump device and fuel supply device for an internal combustion engine and mixing device, in particular for a motor vehicle
US-2018223786-A1 · Aug 9, 2018 · US
Outboard motor fuel supply unit
US-9517823-B2 · Dec 13, 2016 · US
Outboard motor fuel supply unit
US-2016176491-A1 · Jun 23, 2016 · US
Multiple stage fuel pump
US-2016123288-A1 · May 5, 2016 · US