Method and system for portable engine health monitoring
US-2016377506-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 | F02D41/28 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 380 |
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 | 38 |
| 2016 | 36 |
| 2017 | 49 |
| 2018 | 41 |
| 2019 | 34 |
| 2020 | 44 |
| 2021 | 49 |
| 2022 | 37 |
| 2023 | 21 |
| 2024 | 12 |
| 2025 | 16 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Throttle control systems and methods based on pressure ratio
US-9528453-B2 · Dec 27, 2016 · US
Air-fuel ratio detection device
US-9523654-B2 · Dec 20, 2016 · US
SYSTEMS AND METHODS FOR RUNNING A NOx SELF-DIAGNOSTIC TEST
US-2016363030-A1 · Dec 15, 2016 · US
Method for ascertaining an offset of an output signal of an evaluation circuit integrated in a sensor, preferably of a pressure sensor installed in a combustion chamber of an internal combustion engine, and sensor
US-9518888-B2 · Dec 13, 2016 · US
Self-Propelled Off-Road Vehicle With System For Torque Control At Shift Points
US-2016318517-A1 · Nov 3, 2016 · US
Multi-channel protection logic
US-9483032-B2 · Nov 1, 2016 · US
System and method for locating an engine event
US-2016281617-A1 · Sep 29, 2016 · US
System and method for engine emission control harness
US-2016245144-A1 · Aug 25, 2016 · US
Fuel injection valve with cylinder internal pressure sensor
US-2016208729-A1 · Jul 21, 2016 · US
Timing control device and control method thereof
US-9385691-B2 · Jul 5, 2016 · US
System and Method for Optimizing Vehicle Settings
US-2016177846-A1 · Jun 23, 2016 · US
Sensor control apparatus and gas detection system
US-2016169137-A1 · Jun 16, 2016 · US
A control system and method of operating a control system
US-2016160780-A1 · Jun 9, 2016 · US
Reduced Power Consumption with Sensors Transmitting Data Using Current Modulation
US-2016138492-A1 · May 19, 2016 · US
System and method for enabling a user to adjust the operation of a powertrain in a vehicle, to adjust the appearance of a user interface device in the vehicle, and/or to adjust vehicle noise
US-2016138508-A1 · May 19, 2016 · US
Throttle Control Systems And Methods Based On Pressure Ratio
US-2016131061-A1 · May 12, 2016 · US
In-vehicle engine control device and control method thereof
US-9322354-B2 · Apr 26, 2016 · US
Method for adjusting an excitation frequency of an oscillating circuit of a corona ignition device
US-9294102-B2 · Mar 22, 2016 · US
Method and device for activating a starter, which is controllable by a driver unit, for an internal combustion engine of a motor vehicle
US-9291140-B2 · Mar 22, 2016 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02D41/28?
- CPC F02D41/28 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F02D41/28 (Mechanical Engineering)?
- Our database includes 380 publications tagged with this CPC code.
- Is patent activity under CPC F02D41/28 growing?
- Publication counts under this code: 12 in 2024 vs 16 in 2025 (latest complete years).