Vehicle and control method
US-2026055733-A1 · Feb 26, 2026 · US
Engine speed
Engine speed · 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 | F02D2009/023 |
| Official title | {Engine speed} |
| Display label | Engine speed |
| Total patents | 43 |
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 | 3 |
| 2017 | 5 |
| 2018 | 11 |
| 2019 | 5 |
| 2020 | 4 |
| 2021 | 5 |
| 2022 | 2 |
| 2023 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Engine intake system and control method thereof
US-11598274-B2 · Mar 7, 2023 · US
Method of operating an internal combustion engine
US-11519353-B2 · Dec 6, 2022 · US
Engine intake system and control method thereof
US-2022163004-A1 · May 26, 2022 · US
System and method for operating an engine supplying power to a power take off
US-11203988-B1 · Dec 21, 2021 · US
Controlling an internal combustion engine system
US-11174809-B1 · Nov 16, 2021 · US
Engine speed control system
US-11111861-B2 · Sep 7, 2021 · US
Controlling a light-duty combustion engine
US-11073123-B2 · Jul 27, 2021 · US
Control device for internal combustion engine
US-11002197-B2 · May 11, 2021 · US
Engine governor
US-10871110-B2 · Dec 22, 2020 · US
Throttle control method, throttle control device, and throttle control system
US-10830158-B2 · Nov 10, 2020 · US
Controlling One or More Intake Manifold Tuning Valves (IMTV) In An Internal Combustion Engine
US-2020232428-A1 · Jul 23, 2020 · US
Cooperative cam phaser and air throttle control
US-10619574-B2 · Apr 14, 2020 · US
Control device for internal combustion engine
US-2019390608-A1 · Dec 26, 2019 · US
Throttle control method, throttle control device, and throttle control system
US-2019368427-A1 · Dec 5, 2019 · US
Method of operating an internal combustion engine
US-2019360417-A1 · Nov 28, 2019 · US
Controlling a light-duty combustion engine
US-2019293046-A1 · Sep 26, 2019 · US
Variable air intake apparatus reducing noise
US-10221819-B2 · Mar 5, 2019 · US
Method and controller for engine torque control in a vehicle during a default throttle condition
US-10151251-B1 · Dec 11, 2018 · US
Engine speed control system
US-2018252168-A1 · Sep 6, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02D2009/023?
- CPC F02D2009/023 is the Cooperative Patent Classification code for “Engine speed.”
- How many patents are filed under CPC F02D2009/023 (Engine speed)?
- Our database includes 43 publications tagged with this CPC code.
- Is patent activity under CPC F02D2009/023 growing?
- Publication counts under this code: 2 in 2022 vs 1 in 2023 (latest complete years).