Method for controlling operation of an internal combustion engine which runs on a fuel mixture of hydrogen and natural gas
US-12460589-B2 · Nov 4, 2025 · US
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Measuring or estimating parameters related to the fuel supply system
Measuring or estimating parameters related to 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 | F02D19/026 |
| Official title | {Measuring or estimating parameters related to the fuel supply system} |
| Display label | Measuring or estimating parameters related to the fuel supply system |
| Total patents | 23 |
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 | 1 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 7 |
| 2020 | 4 |
| 2021 | 1 |
| 2024 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Engine device
US-2025290466-A1 · Sep 18, 2025 · US
Monitoring system for a gaseous fuel supply to an engine at a wellbore
US-12134991-B1 · Nov 5, 2024 · US
Method for controlling operation of an internal combustion engine which runs on a fuel mixture of hydrogen and natural gas
US-2024102425-A1 · Mar 28, 2024 · US
Method and control device for operating an internal combustion engine
US-11208961-B2 · Dec 28, 2021 · US
Method and control device for operating an internal combustion engine
US-2020224596-A1 · Jul 16, 2020 · US
Method for detecting a gas amount
US-10641196-B2 · May 5, 2020 · US
Fuel train control using a multi-position gas shut-off valve
US-10619609-B1 · Apr 14, 2020 · US
Fuel train control using a multi-position gas shut-off valve
US-2020102920-A1 · Apr 2, 2020 · US
Systems and methods using a gas quality sensor
US-10393712-B2 · Aug 27, 2019 · US
Method and control device for determining a gas consumption of a gas-powered engine
US-10393562-B2 · Aug 27, 2019 · US
Operating a gaseous fuel injector
US-10385788-B2 · Aug 20, 2019 · US
Method for detecting a gas amount
US-2019162127-A1 · May 30, 2019 · US
A method and a system for adapting engine control of a gas engine in a vehicle
US-2019101068-A1 · Apr 4, 2019 · US
A method and a system for determining the specific gas constant and the stoichiometric air fuel ratio of a fuel gas for a gas engine
US-2019101067-A1 · Apr 4, 2019 · US
Electrical monitoring of gaseous fuel admission valves
US-10208683-B2 · Feb 19, 2019 · US
Power generating assembly, vehicle comprising a power generating assembly, and method for adjusting an inert gas pressure
US-2018223773-A1 · Aug 9, 2018 · US
Operating a gaseous fuel injector
US-2018100449-A1 · Apr 12, 2018 · US
Systems and Methods Using a Gas Quality Sensor
US-2017276655-A1 · Sep 28, 2017 · US
Method and system for estimating the specific gravity of an unknown fuel source in a multi-fuel engine
US-9546941-B2 · Jan 17, 2017 · US