Systems and methods for increasing engine power output under globally stoichiometric operation
US-11187168-B2 · Nov 30, 2021 · US
characterised by the regulation method
characterised by the regulation method · 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 | F02D41/1473 |
| Official title | {characterised by the regulation method} |
| Display label | characterised by the regulation method |
| Total patents | 94 |
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 | 6 |
| 2016 | 16 |
| 2017 | 12 |
| 2018 | 6 |
| 2019 | 8 |
| 2020 | 8 |
| 2021 | 13 |
| 2022 | 10 |
| 2023 | 7 |
| 2024 | 2 |
| 2025 | 4 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Varying closed loop gain control to constrain ramp rate of oxygen sensors in exhaust systems
US-10975746-B1 · Apr 13, 2021 · US
Systems and methods for increasing engine power output under globally stoichiometric operation
US-2021062745-A1 · Mar 4, 2021 · US
Systems and methods for increasing engine power output under globally stoichiometric operation
US-2021062748-A1 · Mar 4, 2021 · US
Apparatus for controlling air fuel ratio
US-10859021-B2 · Dec 8, 2020 · US
Control system for compression ignition engine
US-10837391-B2 · Nov 17, 2020 · US
Method of controlling a positive-ignition internal combustion engine by means of a knock estimator
US-10830659-B2 · Nov 10, 2020 · US
Apparatus and Method for Controlling Environment-Friendly Vehicle
US-2020284215-A1 · Sep 10, 2020 · US
Method and system for improving accuracy of correction of fuel quantity at the time when recirculation valve is opened
US-2020271064-A1 · Aug 27, 2020 · US
Control system of internal combustion engine
US-2020232407-A1 · Jul 23, 2020 · US
Exhaust gas purification apparatus for internal combustion engine
US-2020182116-A1 · Jun 11, 2020 · US
Control system for compression ignition engine
US-2020032736-A1 · Jan 30, 2020 · US
Method of estimating antiknock properties of multi-fuel injection internal combustion engine
US-10443516-B2 · Oct 15, 2019 · US
Control apparatus and method for internal combustion engine cylinder balance
US-2019226414-A1 · Jul 25, 2019 · US
Method of controlling a positive-ignition internal combustion engine by means of a knock estimator
US-2019219471-A1 · Jul 18, 2019 · US
Control apparatus and method for internal combustion engine cylinder balance
US-10337429-B1 · Jul 2, 2019 · US
Exhaust gas purification system for internal combustion engine
US-10309332-B2 · Jun 4, 2019 · US
Cylinder-by-cylinder air-fuel ratio controller for internal combustion engine
US-10247120-B2 · Apr 2, 2019 · US
Manifold volume determination based on surge frequency
US-10190512-B2 · Jan 29, 2019 · US
Systems and methods for performing prognosis of fuel delivery
US-10167803-B2 · Jan 1, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02D41/1473?
- CPC F02D41/1473 is the Cooperative Patent Classification code for “characterised by the regulation method.”
- How many patents are filed under CPC F02D41/1473 (characterised by the regulation method)?
- Our database includes 94 publications tagged with this CPC code.
- Is patent activity under CPC F02D41/1473 growing?
- Publication counts under this code: 2 in 2024 vs 4 in 2025 (latest complete years).