Fuel system diaphragm valve
US-11754028-B2 · Sep 12, 2023 · US
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Arrangement of fuel metering devices {(F02M69/18 takes precedence)}
Arrangement of fuel metering devices {(F02M69/18 takes precedence)} · 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 | F02M69/52 |
| Official title | Arrangement of fuel metering devices {(F02M69/18 takes precedence)} |
| Display label | Arrangement of fuel metering devices {(F02M69/18 takes precedence)} |
| Total patents | 9 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 4 |
| 2022 | 1 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fuel system diaphragm valve
US-2022412298-A1 · Dec 29, 2022 · US
Injection device, an internal combustion engine, and a method for operating an injection device for gasoline and CNG
US-9845776-B2 · Dec 19, 2017 · US
System and method for adjusting fuel injection parameters during transient events to reduce particulate emissions
US-9695772-B2 · Jul 4, 2017 · US
Determination of the quantity of fuel flowing through a fuel injector based on the heating of the fuel by means of an electric heating device
US-9657662-B2 · May 23, 2017 · US
Fuel system control
US-9599086-B2 · Mar 21, 2017 · US
System and method for adjusting fuel injection parameters during transient events to reduce particulate emissions
US-2016084192-A1 · Mar 24, 2016 · US
Handheld work apparatus and suction head for connection to a fuel line in a handheld work apparatus
US-9273658-B2 · Mar 1, 2016 · US
Determination of the quantity of air flowing through a fuel injector based on the heating of the fuel by means of an electric heating device
US-2015090230-A1 · Apr 2, 2015 · US