Control system for an internal combustion engine, internal combustion engine system, and method for controlling internal combustion engine
US-2025369397-A1 · Dec 4, 2025 · US
not restricted to adjustment of injection timing, e.g. varying amount of fuel delivered
not restricted to adjustment of injection timing, e.g. varying amount of fuel delivered · 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 | F02D1/02 |
| Official title | not restricted to adjustment of injection timing, e.g. varying amount of fuel delivered |
| Display label | not restricted to adjustment of injection timing, e.g. varying amount of fuel delivered |
| Total patents | 62 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 10 |
| 2017 | 3 |
| 2018 | 6 |
| 2019 | 7 |
| 2020 | 7 |
| 2021 | 6 |
| 2022 | 5 |
| 2023 | 5 |
| 2024 | 4 |
| 2025 | 4 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Systems including a hydrogen internal combustion engine and aftertreatment system
US-2025305431-A1 · Oct 2, 2025 · US
Control system for an internal combustion engine, internal combustion engine system, and method for controlling internal combustion engine
US-12410760-B2 · Sep 9, 2025 · US
Control system for an internal combustion engine, internal combustion engine system, and method for controlling internal combustion engine
US-2025172101-A1 · May 29, 2025 · US
Intelligent engine and pump controls
US-2024369025-A1 · Nov 7, 2024 · US
Intelligent engine and pump controls
US-12055107-B2 · Aug 6, 2024 · US
System and a method for determining fuel injector leak
US-12031495-B1 · Jul 9, 2024 · US
System and a method for determining fuel injector leak
US-2024200503-A1 · Jun 20, 2024 · US
Fuel pressure control system
US-11852094-B2 · Dec 26, 2023 · US
System and method for fuel pump shutdown
US-11761387-B1 · Sep 19, 2023 · US
Fuel pressure control system
US-2023272757-A1 · Aug 31, 2023 · US
System and method for operating a fuel supply pump of a vehicle
US-11698038-B2 · Jul 11, 2023 · US
Fuel pump health assessment system
US-11598302-B2 · Mar 7, 2023 · US
System and method for operating a fuel supply pump of a vehicle
US-2022389880-A1 · Dec 8, 2022 · US
Method for monitoring a pressure sensor in a direct injection system
US-11415071-B2 · Aug 16, 2022 · US
Pump health assessment system
US-2022163010-A1 · May 26, 2022 · US
Intelligent engine and pump controls
US-2022090544-A1 · Mar 24, 2022 · US
Error diagnosis device and error diagnosis method
US-11242815-B2 · Feb 8, 2022 · US
Variable combustion cylinder ratio control method and variable combustion cylinder ratio control device
US-11149661-B2 · Oct 19, 2021 · US
Control device for engine
US-11008970-B2 · May 18, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02D1/02?
- CPC F02D1/02 is the Cooperative Patent Classification code for “not restricted to adjustment of injection timing, e.g. varying amount of fuel delivered.”
- How many patents are filed under CPC F02D1/02 (not restricted to adjustment of injection timing, e.g. varying amount of fuel delivered)?
- Our database includes 62 publications tagged with this CPC code.
- Is patent activity under CPC F02D1/02 growing?
- Publication counts under this code: 4 in 2024 vs 4 in 2025 (latest complete years).