Methods and system for cold starting an engine
US-11530664-B2 · Dec 20, 2022 · US
Generation of the ignition spark
Generation of the ignition spark · 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 | F02N99/004 |
| Official title | {Generation of the ignition spark} |
| Display label | Generation of the ignition spark |
| Total patents | 29 |
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 | 4 |
| 2016 | 4 |
| 2017 | 5 |
| 2018 | 6 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods and system for cold starting an engine
US-2022003180-A1 · Jan 6, 2022 · US
Controller and control method for hybrid vehicle
US-11198423-B2 · Dec 14, 2021 · US
Methods and system for cold starting an engine
US-11073097-B1 · Jul 27, 2021 · US
Methods and systems for engine start following idle-stop
US-10920732-B1 · Feb 16, 2021 · US
Exhaust gas purification system for internal combustion engine
US-10823026-B2 · Nov 3, 2020 · US
Controller and control method for hybrid vehicle
US-2020298817-A1 · Sep 24, 2020 · US
Exhaust gas purification system for internal combustion engine
US-2020132036-A1 · Apr 30, 2020 · US
Start control system for engine and start control method for engine
US-10465646-B2 · Nov 5, 2019 · US
Start controller for engine
US-10337481-B2 · Jul 2, 2019 · US
Starting control device for engine
US-10145323-B2 · Dec 4, 2018 · US
Vehicle control device
US-10006430-B2 · Jun 26, 2018 · US
Starting control device for engine
US-2018171915-A1 · Jun 21, 2018 · US
Start controller for engine
US-2018058409-A1 · Mar 1, 2018 · US
Start Control System for Engine and Start Control Method for Engine
US-2018045162-A1 · Feb 15, 2018 · US
Control unit for a multi-cylinder internal combustion engine
US-9863389-B2 · Jan 9, 2018 · US
Control device for an internal combustion engine
US-9815465-B2 · Nov 14, 2017 · US
Controller for starting vehicular direct-injection engine
US-9790879-B2 · Oct 17, 2017 · US
Starting control device for internal combustion engines and starting control method
US-9726137-B2 · Aug 8, 2017 · US
Automatic stopping and restarting device of internal combustion engine
US-9624894-B2 · Apr 18, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02N99/004?
- CPC F02N99/004 is the Cooperative Patent Classification code for “Generation of the ignition spark.”
- How many patents are filed under CPC F02N99/004 (Generation of the ignition spark)?
- Our database includes 29 publications tagged with this CPC code.
- Is patent activity under CPC F02N99/004 growing?
- Publication counts under this code: 3 in 2021 vs 2 in 2022 (latest complete years).