Method of starting a compression ignition engine
US-12497939-B2 · Dec 16, 2025 · US
Aiding engine start by acting on fuel
Aiding engine start by acting on 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 | F02N2019/002 |
| Official title | {Aiding engine start by acting on fuel} |
| Display label | Aiding engine start by acting on fuel |
| Total patents | 52 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 8 |
| 2017 | 10 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 5 |
| 2021 | 5 |
| 2022 | 4 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Precombustion chamber igniter and cold start control method for methanol engine
US-12410743-B2 · Sep 9, 2025 · US
Precombustion chamber igniter and cold start control method for methanol engine
US-2025146435-A1 · May 8, 2025 · US
Powertrain system
US-11536211-B2 · Dec 27, 2022 · US
Methods and systems for an engine
US-11346265-B2 · May 31, 2022 · US
Methods and systems for an engine
US-2022136420-A1 · May 5, 2022 · US
Fuel heater
US-2022042483-A1 · Feb 10, 2022 · US
Controller and control method for hybrid vehicle
US-11198423-B2 · Dec 14, 2021 · US
Starting-fuel supply device, adapter, and engine work machine
US-11174819-B2 · Nov 16, 2021 · US
Automobile and method of restarting engine of automobile
US-11143155-B2 · Oct 12, 2021 · US
Operation of an internal combustion engine with high alcohol content in the fuel
US-10961925-B2 · Mar 30, 2021 · US
Powertrain system
US-2021062742-A1 · Mar 4, 2021 · US
Controller and control method for hybrid vehicle
US-2020298817-A1 · Sep 24, 2020 · US
Starting-fuel supply device, adapter, and engine work machine
US-2020248651-A1 · Aug 6, 2020 · US
Automobile and method of restarting engine of automobile
US-2020182215-A1 · Jun 11, 2020 · US
Ventilation controls for dual-fuel engines
US-10677175-B2 · Jun 9, 2020 · US
Control device for internal combustion engine
US-10655546-B2 · May 19, 2020 · US
Start-up control device for engine
US-10465624-B2 · Nov 5, 2019 · US
Control device for internal combustion engine
US-2019277204-A1 · Sep 12, 2019 · US
Operation Of An Internal Combustion Engine With High Alcohol Content In The Fuel
US-2019178174-A1 · Jun 13, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02N2019/002?
- CPC F02N2019/002 is the Cooperative Patent Classification code for “Aiding engine start by acting on fuel.”
- How many patents are filed under CPC F02N2019/002 (Aiding engine start by acting on fuel)?
- Our database includes 52 publications tagged with this CPC code.
- Is patent activity under CPC F02N2019/002 growing?
- Publication counts under this code: 4 in 2022 vs 3 in 2025 (latest complete years).