Engine system and method for determining fuel characteristics
US-2026022672-A1 · Jan 22, 2026 · US
Pressure or flow regulators therefor; Fuel metering valves therefor
Pressure or flow regulators therefor; Fuel metering valves therefor · 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 | F02D19/0678 |
| Official title | {Pressure or flow regulators therefor; Fuel metering valves therefor} |
| Display label | Pressure or flow regulators therefor; Fuel metering valves therefor |
| Total patents | 50 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 6 |
| 2017 | 9 |
| 2018 | 5 |
| 2019 | 9 |
| 2020 | 5 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 2 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System and method for controlling a fuel supply system
US-12529345-B2 · Jan 20, 2026 · US
Systems and methods for actively managing pilot fuel storage tanks
US-12421908-B1 · Sep 23, 2025 · US
System and method for controlling a fuel supply system
US-2025137411-A1 · May 1, 2025 · US
Internal combustion engine
US-12129817-B2 · Oct 29, 2024 · US
Internal combustion engine
US-2024200517-A1 · Jun 20, 2024 · US
Internal combustion engine system with temperature based output control
US-11746714-B2 · Sep 5, 2023 · US
Methods and systems for a multi-pressure fuel injection system
US-11598271-B1 · Mar 7, 2023 · US
Adjusting a fuel on-board a vehicle
US-11293386-B2 · Apr 5, 2022 · US
Internal combustion engine system with temperature based output control
US-2021340922-A1 · Nov 4, 2021 · US
Fuel system for a multi-fuel internal combustion engine
US-11143120-B2 · Oct 12, 2021 · US
Pressure regulating modules with controlled leak paths
US-10865718-B2 · Dec 15, 2020 · US
Method for regulating an internal combustion engine
US-10837351-B2 · Nov 17, 2020 · US
Fuel system for a multi-fuel internal combustion engine
US-2020318557-A1 · Oct 8, 2020 · US
Fuel system for an internal combustion engine
US-10724449-B2 · Jul 28, 2020 · US
Tri fuel gen
US-10697379-B2 · Jun 30, 2020 · US
System and methods for reducing particulate matter emissions
US-10487760-B2 · Nov 26, 2019 · US
Dual fuel injector
US-2019345881-A1 · Nov 14, 2019 · US
Fuel system for a multi-fuel internal combustion engine
US-10393034-B2 · Aug 27, 2019 · US
High pressure fluid control system and method of controlling pressure bias in an end use device
US-10371065-B2 · Aug 6, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02D19/0678?
- CPC F02D19/0678 is the Cooperative Patent Classification code for “Pressure or flow regulators therefor; Fuel metering valves therefor.”
- How many patents are filed under CPC F02D19/0678 (Pressure or flow regulators therefor; Fuel metering valves therefor)?
- Our database includes 50 publications tagged with this CPC code.
- Is patent activity under CPC F02D19/0678 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).