A fuel injection arrangement for hand-held powertools
US-2025327433-A1 · Oct 23, 2025 · US
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injectors with air chambers, e.g. communicating with atmosphere for aerating the nozzles (F02M69/325 takes precedence)
injectors with air chambers, e.g. communicating with atmosphere for aerating the nozzles (F02M69/325 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 | F02M69/047 |
| Official title | {injectors with air chambers, e.g. communicating with atmosphere for aerating the nozzles (F02M69/325 takes precedence)} |
| Display label | injectors with air chambers, e.g. communicating with atmosphere for aerating the nozzles (F02M69/325 takes precedence) |
| Total patents | 14 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 1 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fuel injector and nozzle assembly having spray duct with center body for increased flame liftoff length
US-11879418-B2 · Jan 23, 2024 · US
Fuel injector and nozzle assembly having spray duct with center body for increased flame liftoff length
US-2023235717-A1 · Jul 27, 2023 · US
Fuel injector systems, fuel injectors, fuel injector nozzles, and methods for making fuel injector nozzles
US-10961967-B1 · Mar 30, 2021 · US
Fuel supply apparatus for internal combustion engine
US-2020232430-A1 · Jul 23, 2020 · US
Methods and systems for a fuel injector
US-10458380-B2 · Oct 29, 2019 · US
Methods and systems for a fuel injector
US-2019285038-A1 · Sep 19, 2019 · US
Fuel injector
US-9429127-B2 · Aug 30, 2016 · US
Fuel injection device
US-9194323-B2 · Nov 24, 2015 · US
Fuel injection valve
US-9175656-B2 · Nov 3, 2015 · US
Peroxide powered product dispensing system
US-9089244-B2 · Jul 28, 2015 · US
In-cylinder injection type multicylinder internal combustion engine
US-9091241-B2 · Jul 28, 2015 · US
Peroxide powered product dispensing system
US-2015102053-A1 · Apr 16, 2015 · US
Peroxide powered product dispensing system
US-8925766-B2 · Jan 6, 2015 · US