Engine Control Device
US-2017314500-A1 · Nov 2, 2017 · US
for determining the characteristics of gases, e.g. composition
for determining the characteristics of gases, e.g. composition · 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 | F02M26/46 |
| Official title | for determining the characteristics of gases, e.g. composition |
| Display label | for determining the characteristics of gases, e.g. composition |
| Total patents | 137 |
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 | 23 |
| 2016 | 25 |
| 2017 | 17 |
| 2018 | 19 |
| 2019 | 17 |
| 2020 | 13 |
| 2021 | 11 |
| 2022 | 9 |
| 2023 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Apparatus and method for controlling egr valve
US-2017306870-A1 · Oct 26, 2017 · US
Variable ignition energy management
US-9771917-B2 · Sep 26, 2017 · US
EGR control method of internal combustion engine
US-9732667-B2 · Aug 15, 2017 · US
Method and device to control exhaust gas recirculation
US-2017218863-A1 · Aug 3, 2017 · US
Control system and control method for internal combustion engine
US-2017218864-A1 · Aug 3, 2017 · US
Methods and systems for indicating water at an oxygen sensor based on sensor heater power consumption
US-9714619-B2 · Jul 25, 2017 · US
Method for controlling exhaust gas recirculation system of vehicle
US-2017096955-A1 · Apr 6, 2017 · US
Method of reducing nox emissions from an engine
US-2017051707-A1 · Feb 23, 2017 · US
System and method for regulating exhaust gas recirculation in an engine
US-9556810-B2 · Jan 31, 2017 · US
Multi-cylinder internal combustion engine and method for operating a multi-cylinder internal combustion engine
US-9556804-B2 · Jan 31, 2017 · US
Sensor device for detecting at least the moisture of a flowing fluid medium
US-9541433-B2 · Jan 10, 2017 · US
Methods and systems for diagnosing an intake oxygen sensor based on pressure
US-9528476-B2 · Dec 27, 2016 · US
Control apparatus for an internal combustion engine
US-9494066-B2 · Nov 15, 2016 · US
Ignition and knock tolerance in internal combustion engine by controlling EGR composition
US-9464584-B2 · Oct 11, 2016 · US
Air Intake System of an Internal Combustion Engine
US-2016265489-A1 · Sep 15, 2016 · US
EGR operation method and system for increased drivability
US-9422878-B2 · Aug 23, 2016 · US
Methods and systems for indicating water at an oxygen sensor based on sensor heater power consumption
US-2016222897-A1 · Aug 4, 2016 · US
Methods and systems for fuel ethanol content determination via an oxygen sensor
US-9404432-B2 · Aug 2, 2016 · US
Methods and systems for a gas constituent sensor
US-9382880-B2 · Jul 5, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02M26/46?
- CPC F02M26/46 is the Cooperative Patent Classification code for “for determining the characteristics of gases, e.g. composition.”
- How many patents are filed under CPC F02M26/46 (for determining the characteristics of gases, e.g. composition)?
- Our database includes 137 publications tagged with this CPC code.
- Is patent activity under CPC F02M26/46 growing?
- Publication counts under this code: 9 in 2022 vs 3 in 2023 (latest complete years).