Method and a control device for operating a tank venting system of an internal combustion engine
US-10508619-B2 · Dec 17, 2019 · US
the characteristics being a hydrocarbon content or concentration
the characteristics being a hydrocarbon content or concentration · 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 | F02D41/1459 |
| Official title | {the characteristics being a hydrocarbon content or concentration} |
| Display label | the characteristics being a hydrocarbon content or concentration |
| Total patents | 120 |
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 | 10 |
| 2016 | 16 |
| 2017 | 5 |
| 2018 | 12 |
| 2019 | 17 |
| 2020 | 24 |
| 2021 | 14 |
| 2022 | 9 |
| 2023 | 8 |
| 2024 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Control Unit for Adapting the Emission of a Vehicle
US-2019360414-A1 · Nov 28, 2019 · US
Fuel injection control method of fuel reformer and fuel reforming system
US-2019345901-A1 · Nov 14, 2019 · US
Machine learning device of amount of unburned fuel, machine learning method, learned model, electronic control unit, method of production of electronic control unit, and machine learning system
US-2019325671-A1 · Oct 24, 2019 · US
Method and device for reducing the emissions of an internal combustion engine
US-10400692-B2 · Sep 3, 2019 · US
Hydrocarbon sensor diagnostic
US-10378472-B2 · Aug 13, 2019 · US
Exhaust purification system of internal combustion engine
US-2019234268-A1 · Aug 1, 2019 · US
Hydrocarbon-emissions monitoring
US-10354459-B2 · Jul 16, 2019 · US
Regulation of concentration/fraction of substances in an exhaust stream
US-10352256-B2 · Jul 16, 2019 · US
Egr system and method for an opposed piston engine
US-2019203654-A1 · Jul 4, 2019 · US
Control apparatus and gas detection method
US-2019187114-A1 · Jun 20, 2019 · US
System and method for emissions determination and correction
US-2019153969-A1 · May 23, 2019 · US
System and method of valve wear detection
US-10288003-B1 · May 14, 2019 · US
A method for avoiding a runaway condition of an internal combustion engine
US-2019136783-A1 · May 9, 2019 · US
System and method of valve wear detection
US-2019128203-A1 · May 2, 2019 · US
Using ion current signal for engine performance and emissions measuring techniques and methods for doing the same
US-2019063342-A1 · Feb 28, 2019 · US
Catalyst deterioration diagnosis method
US-10196958-B2 · Feb 5, 2019 · US
Method And A Control Device For Operating A Tank Venting System Of An Internal Combustion Engine
US-2018372030-A1 · Dec 27, 2018 · US
Techniques for creating purge vapor using waste heat recovery
US-10161322-B2 · Dec 25, 2018 · US
Motor vehicle, control unit and method for controlling a phase angle of a camshaft
US-10145314-B2 · Dec 4, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02D41/1459?
- CPC F02D41/1459 is the Cooperative Patent Classification code for “the characteristics being a hydrocarbon content or concentration.”
- How many patents are filed under CPC F02D41/1459 (the characteristics being a hydrocarbon content or concentration)?
- Our database includes 120 publications tagged with this CPC code.
- Is patent activity under CPC F02D41/1459 growing?
- Publication counts under this code: 8 in 2023 vs 4 in 2024 (latest complete years).