Combustion Pre-Chamber and Method for Operating Same
US-2017306917-A1 · Oct 26, 2017 · US
having multiple-spark ignition, i.e. ignition occurring simultaneously at different places in one engine cylinder or in two or more separate engine cylinders
having multiple-spark ignition, i.e. ignition occurring simultaneously at different places in one engine cylinder or in two or more separate engine cylinders · 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 | F02P15/08 |
| Official title | having multiple-spark ignition, i.e. ignition occurring simultaneously at different places in one engine cylinder or in two or more separate engine cylinders |
| Display label | having multiple-spark ignition, i.e. ignition occurring simultaneously at different places in one engine cylinder or in two or more separate engine cylinders |
| Total patents | 279 |
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 | 17 |
| 2016 | 32 |
| 2017 | 30 |
| 2018 | 31 |
| 2019 | 21 |
| 2020 | 25 |
| 2021 | 41 |
| 2022 | 34 |
| 2023 | 30 |
| 2024 | 12 |
| 2025 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for operating an internal combustion engine and internal combustion engine
US-9797364-B2 · Oct 24, 2017 · US
Ignition control device and ignition control method for internal combustion engine
US-2017292492-A1 · Oct 12, 2017 · US
Ignition control device for internal combustion engine
US-9719479-B2 · Aug 1, 2017 · US
Gaseous Fuel Combustion
US-2017122184-A1 · May 4, 2017 · US
Intake device
US-2017122271-A1 · May 4, 2017 · US
Combustion Pre-Chamber and Method for Operating Same
US-2017074184-A1 · Mar 16, 2017 · US
Combustion pre-chamber and method for operating same
US-9593633-B1 · Mar 14, 2017 · US
Ignition apparatus
US-2017022957-A1 · Jan 26, 2017 · US
Multi-point laser ignition device
US-9548585-B1 · Jan 17, 2017 · US
Internal combustion engine and control device of internal combustion engine
US-9546638-B2 · Jan 17, 2017 · US
RF power amplification and distribution systems, plasma ignition systems, and methods of operation therefor
US-9518554-B2 · Dec 13, 2016 · US
Combustion Pre-Chamber and Method for Operating Same
US-2016348569-A1 · Dec 1, 2016 · US
Ignition system for internal combustion engine
US-9488150-B2 · Nov 8, 2016 · US
Controller for internal combustion engine
US-2016290307-A1 · Oct 6, 2016 · US
Ignition system for internal combustion engine, and internal combustion engine
US-2016281670-A1 · Sep 29, 2016 · US
Ignition apparatus for internal combustion engine
US-2016258411-A1 · Sep 8, 2016 · US
Method for controlling a corona ignition device
US-9422912-B2 · Aug 23, 2016 · US
After-treatment apparatus for exhaust gas in a combustion chamber
US-9416763-B2 · Aug 16, 2016 · US
Ignition device for an aircraft engine
US-2016222887-A1 · Aug 4, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02P15/08?
- CPC F02P15/08 is the Cooperative Patent Classification code for “having multiple-spark ignition, i.e. ignition occurring simultaneously at different places in one engine cylinder or in two or more separate engine cylinders.”
- How many patents are filed under CPC F02P15/08 (having multiple-spark ignition, i.e. ignition occurring simultaneously at different places in one engine cylinder or in two or more separate engine cylinders)?
- Our database includes 279 publications tagged with this CPC code.
- Is patent activity under CPC F02P15/08 growing?
- Publication counts under this code: 12 in 2024 vs 6 in 2025 (latest complete years).