Method for reducing particulate emissions during a cold start of an internal combustion engine
US-10859020-B2 · Dec 8, 2020 · US
according to or using specific or several modes of combustion
according to or using specific or several modes of combustion · 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 | F02D41/3011 |
| Official title | {according to or using specific or several modes of combustion} |
| Display label | according to or using specific or several modes of combustion |
| Total patents | 104 |
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 | 11 |
| 2016 | 11 |
| 2017 | 19 |
| 2018 | 8 |
| 2019 | 8 |
| 2020 | 11 |
| 2021 | 14 |
| 2022 | 12 |
| 2023 | 6 |
| 2024 | 2 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Internal combustion engine control system
US-2020355138-A1 · Nov 12, 2020 · US
Method and apparatus for controlling engine torque of mild hybrid electric vehicle
US-2020108817-A1 · Apr 9, 2020 · US
Engine controller based on atmospheric pressure
US-10502156-B2 · Dec 10, 2019 · US
Method for reducing particulate emissions during a cold start of an internal combustion engine
US-2019353114-A1 · Nov 21, 2019 · US
Control apparatus for internal combustion engine
US-10358971-B2 · Jul 23, 2019 · US
Control device for internal combustion engine and control method for internal combustion engine
US-2019195148-A1 · Jun 27, 2019 · US
Combustion control method and combustion control system with variable excess air coefficient for gasoline engine
US-2019170077-A1 · Jun 6, 2019 · US
Engine control device
US-2019085772-A1 · Mar 21, 2019 · US
Method for engine drivability robustness by variable indexing and vehicle thereof
US-10227946-B2 · Mar 12, 2019 · US
Fuel Injection Control
US-2019017462-A1 · Jan 17, 2019 · US
Engine cold-start control
US-10087860-B2 · Oct 2, 2018 · US
Methods and systems for estimating exhaust pressure with a variable voltage oxygen sensor
US-10041428-B2 · Aug 7, 2018 · US
Method for engine drivability robustness by variable indexing and vehicle thereof
US-2018171929-A1 · Jun 21, 2018 · US
Apparatus and method of controlling catalyst activation during cold start of vehicle
US-2018163651-A1 · Jun 14, 2018 · US
Dedicated exhaust gas recirculation control systems and methods
US-9957911-B2 · May 1, 2018 · US
Drive control device and drive control method for hybrid electric vehicle
US-9951709-B2 · Apr 24, 2018 · US
Method for adapting transition compensation
US-9926869-B2 · Mar 27, 2018 · US
Systems and methods of controlling valve timing in an engine
US-9863330-B2 · Jan 9, 2018 · US
Method and apparatus for fuel injection and dynamic combustion control
US-9850827-B2 · Dec 26, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02D41/3011?
- CPC F02D41/3011 is the Cooperative Patent Classification code for “according to or using specific or several modes of combustion.”
- How many patents are filed under CPC F02D41/3011 (according to or using specific or several modes of combustion)?
- Our database includes 104 publications tagged with this CPC code.
- Is patent activity under CPC F02D41/3011 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).