Systems and methods for fuel injection
US-2016377017-A1 · Dec 29, 2016 · US
Mechanical Engineering
Mechanical Engineering · 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 | F02D41/38 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 792 |
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 | 40 |
| 2016 | 55 |
| 2017 | 67 |
| 2018 | 77 |
| 2019 | 102 |
| 2020 | 105 |
| 2021 | 118 |
| 2022 | 87 |
| 2023 | 55 |
| 2024 | 37 |
| 2025 | 41 |
| 2026 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of controlling a fuel injection system during rail pressure sensor failure condition
US-2016356238-A1 · Dec 8, 2016 · US
System and method for control of fuel injector spray using ultrasonics
US-9506429-B2 · Nov 29, 2016 · US
Ducted combustion systems utilizing adjustable length ducts
US-9506439-B2 · Nov 29, 2016 · US
Method for controlling an internal combustion engine
US-2016326978-A1 · Nov 10, 2016 · US
Fuel injection device of internal combustion engine
US-2016326977-A1 · Nov 10, 2016 · US
Fuel injection controller and fuel injection system
US-9476376-B2 · Oct 25, 2016 · US
Variable stroke direct injection fuel pump system
US-9464590-B2 · Oct 11, 2016 · US
Method for monitoring a passive pressure regulation valve
US-9458786-B2 · Oct 4, 2016 · US
Device for correcting injector characteristics
US-9458791-B2 · Oct 4, 2016 · US
Direct injection pump control
US-9429097-B2 · Aug 30, 2016 · US
Control Device for Internal Combustion Engine and Control Method for Internal Combustion Engine
US-2016245214-A1 · Aug 25, 2016 · US
Systems and methods for improving torque response of an engine
US-2016245192-A1 · Aug 25, 2016 · US
Method and device for operating a high-pressure accumulator fuel injection system for an internal combustion engine
US-9410498-B2 · Aug 9, 2016 · US
Method for operating an internal combustion engine using a corrected energizing time for fuel injections
US-9404436-B2 · Aug 2, 2016 · US
Internal combustion engine
US-2016201594-A1 · Jul 14, 2016 · US
Adaptive control system for fuel injectors and igniters
US-9371787-B2 · Jun 21, 2016 · US
Method and apparatus for estimating nitrogen oxides out of an engine
US-2016097314-A1 · Apr 7, 2016 · US
Method for operating a fuel delivery device
US-9303582-B2 · Apr 5, 2016 · US
Air-Enriched Gaseous Fuel Direct Injection For An Internal Combustion Engine
US-2016017845-A1 · Jan 21, 2016 · US
Next steps
Free tools are coming soon. Tell us what you want to track and we'll notify you.
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02D41/38?
- CPC F02D41/38 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F02D41/38 (Mechanical Engineering)?
- Our database includes 792 publications tagged with this CPC code.
- Is patent activity under CPC F02D41/38 growing?
- Publication counts under this code: 37 in 2024 vs 41 in 2025 (latest complete years).