System and method for misfire detection for dual spark plug engine
US-2025244207-A1 · Jul 31, 2025 · US
for knock detection
for knock detection · 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 | F02P2017/128 |
| Official title | {for knock detection} |
| Display label | for knock detection |
| Total patents | 41 |
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 | 3 |
| 2016 | 4 |
| 2017 | 5 |
| 2018 | 3 |
| 2019 | 9 |
| 2020 | 8 |
| 2021 | 6 |
| 2022 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System and method for controlling ignition coil
US-11879420-B1 · Jan 23, 2024 · US
Internal-combustion-engine combustion state control apparatus
US-2022136478-A1 · May 5, 2022 · US
Method and system for combustion control in a combustion chamber of an internal combustion engine
US-11204013-B2 · Dec 21, 2021 · US
Gated ionization current supply voltage
US-11193432-B2 · Dec 7, 2021 · US
Ion current sensing for estimation of combustion phasing in an internal combustion engine
US-11187201-B1 · Nov 30, 2021 · US
Apparatus and system for dual ignition sources for a vehicle
US-11118555-B2 · Sep 14, 2021 · US
Current profile optimization
US-10995726-B2 · May 4, 2021 · US
Method and system for combustion control in a combustion chamber of an internal combustion engine
US-2021040930-A1 · Feb 11, 2021 · US
Knocking detection method, ignition timing control method, and ignition timing control system
US-10865719-B2 · Dec 15, 2020 · US
Method of controlling a positive-ignition internal combustion engine by means of a knock estimator
US-10830659-B2 · Nov 10, 2020 · US
Control device and control method for internal combustion engine
US-10808673-B2 · Oct 20, 2020 · US
Knocking detection method, ignition timing control method, and ignition timing control system
US-2020325835-A1 · Oct 15, 2020 · US
Unequal interval combustion engine misfire determination device and vehicle
US-10794314-B2 · Oct 6, 2020 · US
Apparatus and system for dual ignition sources for a vehicle
US-2020309083-A1 · Oct 1, 2020 · US
Autonomous operation of electronically controlled internal combustion engines on a variety of fuels and/or other variabilities using ion current and/or other combustion sensors
US-10774773-B2 · Sep 15, 2020 · US
Systems and methods for spark timing retardation
US-10584653-B2 · Mar 10, 2020 · US
Control device and control method for internal combustion engine
US-2019331083-A1 · Oct 31, 2019 · US
Gated ionization current supply voltage
US-2019331042-A1 · Oct 31, 2019 · US
Current Profile Optimization
US-2019301423-A1 · Oct 3, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02P2017/128?
- CPC F02P2017/128 is the Cooperative Patent Classification code for “for knock detection.”
- How many patents are filed under CPC F02P2017/128 (for knock detection)?
- Our database includes 41 publications tagged with this CPC code.
- Is patent activity under CPC F02P2017/128 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).