Fuel injection device
US-2017356409-A1 · Dec 14, 2017 · US
having valves {, e.g. having a plurality of valves in series}
having valves {, e.g. having a plurality of valves in series} · 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 | F02M61/04 |
| Official title | having valves {, e.g. having a plurality of valves in series} |
| Display label | having valves {, e.g. having a plurality of valves in series} |
| Total patents | 187 |
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 | 20 |
| 2016 | 24 |
| 2017 | 24 |
| 2018 | 24 |
| 2019 | 27 |
| 2020 | 19 |
| 2021 | 19 |
| 2022 | 11 |
| 2023 | 8 |
| 2024 | 5 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fuel inlet filter for fuel injectors
US-2017306913-A1 · Oct 26, 2017 · US
Fuel Injection Device
US-2017298882-A1 · Oct 19, 2017 · US
Three-way three-position control valve having a piezoelectric or magnetostrictive actuator, and fuel-injection system comprising the aforesaid valve
US-9791055-B2 · Oct 17, 2017 · US
Fuel injection system
US-9784227-B2 · Oct 10, 2017 · US
Fuel system for an internal combustion piston engine and a method of operating an internal combustion engine
US-9777690-B2 · Oct 3, 2017 · US
Fuel injection device for an internal combustion engine
US-2017276108-A1 · Sep 28, 2017 · US
Fuel injection control device and fuel injection system
US-9765723-B2 · Sep 19, 2017 · US
Control apparatus and control method for internal combustion engine
US-9752529-B2 · Sep 5, 2017 · US
Fuel injection device
US-9726127-B2 · Aug 8, 2017 · US
Universal external isolation and b&b valve skid for industrial gas appliances
US-2017191579-A1 · Jul 6, 2017 · US
Fuel injection valve equipped with in-cylinder pressure sensor
US-9689362-B2 · Jun 27, 2017 · US
Fuel Injector, a Fuel Injector Assembly and an Associated Method
US-2017122280-A1 · May 4, 2017 · US
Fuel Injection Device
US-2017082078-A1 · Mar 23, 2017 · US
Fuel injection valve equipped with in-cylinder pressure sensor
US-2017030313-A1 · Feb 2, 2017 · US
Control device of an engine
US-2017009698-A1 · Jan 12, 2017 · US
Systems for filtering a voltage signal
US-2016369734-A1 · Dec 22, 2016 · US
Injection valve
US-9506437-B2 · Nov 29, 2016 · US
Common rail fuel injector
US-2016341166-A1 · Nov 24, 2016 · US
Control device for spark-ignition engine
US-2016341145-A1 · Nov 24, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02M61/04?
- CPC F02M61/04 is the Cooperative Patent Classification code for “having valves {, e.g. having a plurality of valves in series}.”
- How many patents are filed under CPC F02M61/04 (having valves {, e.g. having a plurality of valves in series})?
- Our database includes 187 publications tagged with this CPC code.
- Is patent activity under CPC F02M61/04 growing?
- Publication counts under this code: 5 in 2024 vs 5 in 2025 (latest complete years).