Method for reducing particulate emissions during a cold start of an internal combustion engine
US-10859020-B2 · Dec 8, 2020 · US
Aiding engine start by thermal means, e.g. using lighted wicks
Aiding engine start by thermal means, e.g. using lighted wicks · 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 | F02N19/02 |
| Official title | Aiding engine start by thermal means, e.g. using lighted wicks |
| Display label | Aiding engine start by thermal means, e.g. using lighted wicks |
| Total patents | 123 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 7 |
| 2017 | 7 |
| 2018 | 18 |
| 2019 | 15 |
| 2020 | 18 |
| 2021 | 6 |
| 2022 | 18 |
| 2023 | 11 |
| 2024 | 7 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System and method for a range extender engine of a hybrid electric vehicle
US-10781784-B2 · Sep 22, 2020 · US
Systems and methods for automatically monitoring and controlling temperature for a vehicle
US-10487719-B2 · Nov 26, 2019 · US
Method for reducing particulate emissions during a cold start of an internal combustion engine
US-2019353114-A1 · Nov 21, 2019 · US
Heat exchanger for vehicle
US-2019323404-A1 · Oct 24, 2019 · US
Control apparatus for hybrid vehicle
US-2019308490-A1 · Oct 10, 2019 · US
Cooling apparatus of internal combustion engine
US-10428720-B2 · Oct 1, 2019 · US
Systems and methods for exhaust heat recovery and heat storage
US-10428713-B2 · Oct 1, 2019 · US
Systems and methods for reducing vehicle emissions
US-2019285017-A1 · Sep 19, 2019 · US
System and method for a range extender engine of a hybrid electric vehicle
US-2019249638-A1 · Aug 15, 2019 · US
System and method for a range extender engine of a hybrid electric vehicle
US-2019249640-A1 · Aug 15, 2019 · US
System and method for a range extender engine of a hybrid electric vehicle
US-2019249639-A1 · Aug 15, 2019 · US
Engine start control method
US-10316814-B2 · Jun 11, 2019 · US
Cooling apparatus of internal combustion engine
US-2019170049-A1 · Jun 6, 2019 · US
Method and system for emissions reduction
US-2019107060-A1 · Apr 11, 2019 · US
Systems And Methods For Exhaust Heat Recovery And Heat Storage
US-2019072018-A1 · Mar 7, 2019 · US
Method and system for emissions reduction
US-10184407-B2 · Jan 22, 2019 · US
Systems and methods for heating a vehicle intake manifold during stop/start events
US-10145340-B1 · Dec 4, 2018 · US
Cooling apparatus of internal combustion engine
US-2018283260-A1 · Oct 4, 2018 · US
Surgical stapling instrument having a releasable buttress material
US-2018280020-A1 · Oct 4, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02N19/02?
- CPC F02N19/02 is the Cooperative Patent Classification code for “Aiding engine start by thermal means, e.g. using lighted wicks.”
- How many patents are filed under CPC F02N19/02 (Aiding engine start by thermal means, e.g. using lighted wicks)?
- Our database includes 123 publications tagged with this CPC code.
- Is patent activity under CPC F02N19/02 growing?
- Publication counts under this code: 7 in 2024 vs 4 in 2025 (latest complete years).