Ignition coil for internal combustion engine
US-2017342954-A1 · Nov 30, 2017 · US
Mechanical Engineering
Mechanical Engineering · 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 | F02P3/04 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 191 |
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 | 13 |
| 2016 | 23 |
| 2017 | 27 |
| 2018 | 31 |
| 2019 | 25 |
| 2020 | 19 |
| 2021 | 23 |
| 2022 | 11 |
| 2023 | 9 |
| 2024 | 5 |
| 2025 | 3 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
High frequency generating device and high frequency generating method used in plasma ignition apparatus
US-9826620-B2 · Nov 21, 2017 · US
Sparkplug health determination in engine ignition system
US-2017314524-A1 · Nov 2, 2017 · US
Switch apparatus and ignition device
US-2017268475-A1 · Sep 21, 2017 · US
System and method for detecting engine knock and misfire
US-2017241394-A1 · Aug 24, 2017 · US
System and method for detecting engine knock and misfire
US-9739252-B1 · Aug 22, 2017 · US
Ignition coil for internal combustion engine
US-9728322-B2 · Aug 8, 2017 · US
Method of manufacturing an ignition coil assembly
US-9711281-B2 · Jul 18, 2017 · US
System and method for operating an ignition system
US-9695792-B2 · Jul 4, 2017 · US
Plasma generation provision, internal combustion engine and analysis provision
US-9693442-B2 · Jun 27, 2017 · US
Method and system for detection of hot spark plug fouling
US-9683535-B2 · Jun 20, 2017 · US
Ignition apparatus for internal combustion engine
US-2017114767-A1 · Apr 27, 2017 · US
Ignition coil being adjustable to accommodate different mounting environments
US-2017110855-A1 · Apr 20, 2017 · US
Spark plug fouling detection
US-9618422-B2 · Apr 11, 2017 · US
Dual coil ignition system
US-9605644-B2 · Mar 28, 2017 · US
Control device for internal combustion engine
US-2017058854-A1 · Mar 2, 2017 · US
High frequency generating device and high frequency generating method used in plasma ignition apparatus
US-2017058856-A1 · Mar 2, 2017 · US
High frequency generating device and high frequency generating method used in plasma ignition apparatus
US-2017064805-A1 · Mar 2, 2017 · US
Control apparatus for internal combustion engine
US-2017058855-A1 · Mar 2, 2017 · US
Ignition device for internal combustion engines
US-2017030318-A1 · Feb 2, 2017 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02P3/04?
- CPC F02P3/04 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F02P3/04 (Mechanical Engineering)?
- Our database includes 191 publications tagged with this CPC code.
- Is patent activity under CPC F02P3/04 growing?
- Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).