Piston and an internal combustion engine system
US-12442347-B2 · Oct 14, 2025 · US
Control of components of the fuel supply system
Control of components of the fuel supply system · 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 | F02D19/021 |
| Official title | {Control of components of the fuel supply system} |
| Display label | Control of components of the fuel supply system |
| Total patents | 70 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 6 |
| 2017 | 1 |
| 2018 | 5 |
| 2019 | 4 |
| 2020 | 7 |
| 2022 | 7 |
| 2023 | 10 |
| 2024 | 12 |
| 2025 | 12 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System, method of controlling a system, and vehicle comprising a system
US-2025313100-A1 · Oct 9, 2025 · US
System and method for controlling fuel substitution in a dual fuel engine system
US-2025092836-A1 · Mar 20, 2025 · US
Controller and control method for internal combustion engine
US-12123368-B2 · Oct 22, 2024 · US
Hydrogen opposed-piston engine
US-2024218826-A1 · Jul 4, 2024 · US
Fuel-reforming device and fuel-reforming method
US-2024207808-A1 · Jun 27, 2024 · US
Controller for hydrogen engine
US-2024200502-A1 · Jun 20, 2024 · US
Controller and control method for internal combustion engine
US-2024200501-A1 · Jun 20, 2024 · US
Controller for hydrogen engine
US-12000350-B1 · Jun 4, 2024 · US
Fuel-reforming device and fuel-reforming method
US-11964251-B2 · Apr 23, 2024 · US
Hydrogen opposed-piston engine
US-11933215-B2 · Mar 19, 2024 · US
Gaseous fuel engine system operating strategy including hydrogen fueling amount based on performance target
US-2024068417-A1 · Feb 29, 2024 · US
Gaseous fuel engine system and operating strategy for limiting crankcase fuel accumulation
US-2024044296-A1 · Feb 8, 2024 · US
Gaseous fuel engine system and operating strategy for limiting crankcase fuel accumulation
US-11891961-B1 · Feb 6, 2024 · US
Gaseous fuel engine system operating strategy including hydrogen fueling amount based on performance target
US-11891962-B1 · Feb 6, 2024 · US
Methods and systems for skip fire in a multi fuel engine
US-11821375-B2 · Nov 21, 2023 · US
Hydrogen Opposed-Piston Engine
US-2023265786-A1 · Aug 24, 2023 · US
Engine system
US-11713727-B2 · Aug 1, 2023 · US
Methods and systems for engine cold-start
US-11674464-B2 · Jun 13, 2023 · US
Methods and systems for skip fire in a multi fuel engine
US-2023175446-A1 · Jun 8, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02D19/021?
- CPC F02D19/021 is the Cooperative Patent Classification code for “Control of components of the fuel supply system.”
- How many patents are filed under CPC F02D19/021 (Control of components of the fuel supply system)?
- Our database includes 70 publications tagged with this CPC code.
- Is patent activity under CPC F02D19/021 growing?
- Publication counts under this code: 12 in 2024 vs 12 in 2025 (latest complete years).