System and method for adjusting on-time calibration of a fuel injector in internal combustion engine
US-9850872-B2 · Dec 26, 2017 · 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 | F02D41/345 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 267 |
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 | 16 |
| 2016 | 36 |
| 2017 | 26 |
| 2018 | 37 |
| 2019 | 28 |
| 2020 | 39 |
| 2021 | 34 |
| 2022 | 19 |
| 2023 | 10 |
| 2024 | 8 |
| 2025 | 13 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Internal combustion engine having dedicated EGR cylinder(s) with split fuel injection timing
US-9845747-B2 · Dec 19, 2017 · US
Fuel gas supply method and supply unit for gas engine
US-9828947-B2 · Nov 28, 2017 · US
Internal Combustion Engine Having Dedicated EGR Cylinder(s) With Split Fuel Injection Timing
US-2017328289-A1 · Nov 16, 2017 · US
Control system of internal combustion engine
US-2017211502-A1 · Jul 27, 2017 · US
Engine
US-2017204798-A1 · Jul 20, 2017 · US
Internal combustion engine having an engine backpressure brake and a compression release engine brake
US-2017175665-A1 · Jun 22, 2017 · US
Engine control systems and methods
US-9683508-B2 · Jun 20, 2017 · US
Methods and systems for dual fuel injection
US-2016377018-A1 · Dec 29, 2016 · US
Engine control device
US-9518517-B2 · Dec 13, 2016 · US
Injection timing
US-9512803-B2 · Dec 6, 2016 · US
Method of fuel injection for a variable displacement engine
US-9506408-B2 · Nov 29, 2016 · US
Control device for internal combustion engine
US-2016333816-A1 · Nov 17, 2016 · US
Internal combustion engine
US-2016319750-A1 · Nov 3, 2016 · US
Electrically Detecting Position of Fuel Admission Valves
US-2016319765-A1 · Nov 3, 2016 · US
Handheld engine-driven working machine
US-2016312737-A1 · Oct 27, 2016 · US
Ignition control device having an electronic fuel injection (efi) mode and a capacitive discharge ignition (cdi) mode
US-2016290253-A1 · Oct 6, 2016 · US
Fuel injection control system of internal combustion engine
US-2016252037-A1 · Sep 1, 2016 · US
Method of assessing the functioning of an EGR cooler in an internal combustion engine
US-9410494-B2 · Aug 9, 2016 · US
Control apparatus for spark-ignition internal combustion engine
US-2016208720-A1 · Jul 21, 2016 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02D41/345?
- CPC F02D41/345 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F02D41/345 (Mechanical Engineering)?
- Our database includes 267 publications tagged with this CPC code.
- Is patent activity under CPC F02D41/345 growing?
- Publication counts under this code: 8 in 2024 vs 13 in 2025 (latest complete years).