Control device for internal combustion engine
US-10519894-B2 · Dec 31, 2019 · US
for idle speed control
for idle speed control · 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 | F02D31/003 |
| Official title | {for idle speed control} |
| Display label | for idle speed control |
| Total patents | 87 |
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 | 16 |
| 2016 | 14 |
| 2017 | 10 |
| 2018 | 7 |
| 2019 | 13 |
| 2020 | 4 |
| 2021 | 7 |
| 2022 | 2 |
| 2023 | 7 |
| 2024 | 5 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Apparatus for controlling engine idle and uses therof
US-2019383226-A1 · Dec 19, 2019 · US
Apparatus for controlling torque control feedback and uses thereof
US-2019376462-A1 · Dec 12, 2019 · US
Regeneration of a particulate filter
US-2019375396-A1 · Dec 12, 2019 · US
Hardware protection mode in high ambient temperature after stationary operation
US-10494982-B2 · Dec 3, 2019 · US
Engine rotational speed control apparatus
US-10480504-B2 · Nov 19, 2019 · US
Control device for internal combustion engine
US-10428753-B2 · Oct 1, 2019 · US
Control device of hybrid vehicle
US-2019257279-A1 · Aug 22, 2019 · US
Hardware protection mode in high ambient temperature after stationary operation
US-2019234288-A1 · Aug 1, 2019 · US
Systems and methods for catalyst heating
US-2019234367-A1 · Aug 1, 2019 · US
Hybrid vehicle
US-10364767-B2 · Jul 30, 2019 · US
Control device for internal combustion engine
US-2019195164-A1 · Jun 27, 2019 · US
Method for controlling a vehicle including an idle stop and go function
US-2019186451-A1 · Jun 20, 2019 · US
Method and controller for engine torque control in a vehicle during a default throttle condition
US-10151251-B1 · Dec 11, 2018 · US
System and method for identifying a potential engine stall and controlling a powertrain system to prevent an engine stall
US-10145325-B2 · Dec 4, 2018 · US
Engine control device
US-10100762-B2 · Oct 16, 2018 · US
Engine rotational speed control apparatus
US-10094315-B2 · Oct 9, 2018 · US
Control device and method for internal combustion engine
US-9970369-B2 · May 15, 2018 · US
Hybrid vehicle
US-2018112612-A1 · Apr 26, 2018 · US
Method for operating an internal combustion engine in an idle mode
US-9932915-B2 · Apr 3, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02D31/003?
- CPC F02D31/003 is the Cooperative Patent Classification code for “for idle speed control.”
- How many patents are filed under CPC F02D31/003 (for idle speed control)?
- Our database includes 87 publications tagged with this CPC code.
- Is patent activity under CPC F02D31/003 growing?
- Publication counts under this code: 5 in 2024 vs 2 in 2025 (latest complete years).