Methods and systems for a fuel injector
US-2018266339-A1 · Sep 20, 2018 · US
peculiar to engines working with non-fuel substances or with anti-knock agents, e.g. with anti-knock fuel
peculiar to engines working with non-fuel substances or with anti-knock agents, e.g. with anti-knock fuel · 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 | F02D19/12 |
| Official title | peculiar to engines working with non-fuel substances or with anti-knock agents, e.g. with anti-knock fuel |
| Display label | peculiar to engines working with non-fuel substances or with anti-knock agents, e.g. with anti-knock fuel |
| Total patents | 204 |
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 | 7 |
| 2016 | 9 |
| 2017 | 25 |
| 2018 | 29 |
| 2019 | 27 |
| 2020 | 24 |
| 2021 | 28 |
| 2022 | 18 |
| 2023 | 20 |
| 2024 | 5 |
| 2025 | 6 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Engine control apparatus
US-2018245510-A1 · Aug 30, 2018 · US
Methods and system for water injection control
US-10054036-B2 · Aug 21, 2018 · US
Optimized fuel management system for direct injection ethanol enhancement of gasoline engines
US-2018202375-A1 · Jul 19, 2018 · US
Method and system for engine water injection
US-10018156-B1 · Jul 10, 2018 · US
Method and system for pulsed engine water injection
US-2018171891-A1 · Jun 21, 2018 · US
Methods and system for water injection control
US-2018171864-A1 · Jun 21, 2018 · US
Feedback controlled system for ignition promoter droplet generation
US-9976518-B2 · May 22, 2018 · US
Methods and system for adjusting engine operation based on evaporated and condensed portions of water injected at an engine
US-2018128194-A1 · May 10, 2018 · US
Condensed water supply control apparatus for in-cylinder injection type internal combustion engine
US-9957884-B2 · May 1, 2018 · US
Water supply control apparatus for in-cylinder injection type internal combustion engine
US-9957922-B2 · May 1, 2018 · US
Method for knock control of an internal combustion engine
US-2018112631-A1 · Apr 26, 2018 · US
Methods and system for adjusting engine water injection
US-9945310-B1 · Apr 17, 2018 · US
Method and system for secondary fluid injection control in an engine
US-2018100458-A1 · Apr 12, 2018 · US
Device for dispensing a liquid additive into a fuel circulation circuit for an internal combustion engine, vehicle comprising such a device, and method for using said device
US-9938943-B2 · Apr 10, 2018 · US
Direct injection of diluents or secondary fuels in gaseous fuel engines
US-9909514-B2 · Mar 6, 2018 · US
Methods and system for adjusting engine operation based on evaporated and condensed portions of water injected at an engine
US-9874163-B1 · Jan 23, 2018 · US
Feedback controlled system for charged ignition promoter droplet distribution
US-9869255-B2 · Jan 16, 2018 · US
Airborne engine additive delivery system
US-9856788-B2 · Jan 2, 2018 · US
Method and system for secondary fluid injection control in an engine
US-9840975-B2 · Dec 12, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02D19/12?
- CPC F02D19/12 is the Cooperative Patent Classification code for “peculiar to engines working with non-fuel substances or with anti-knock agents, e.g. with anti-knock fuel.”
- How many patents are filed under CPC F02D19/12 (peculiar to engines working with non-fuel substances or with anti-knock agents, e.g. with anti-knock fuel)?
- Our database includes 204 publications tagged with this CPC code.
- Is patent activity under CPC F02D19/12 growing?
- Publication counts under this code: 5 in 2024 vs 6 in 2025 (latest complete years).