Internal combustion engine
US-9488083-B2 · Nov 8, 2016 · US
in relation with the clutch status
in relation with the clutch status · 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 | F02D41/022 |
| Official title | {in relation with the clutch status} |
| Display label | in relation with the clutch status |
| Total patents | 335 |
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 | 35 |
| 2016 | 47 |
| 2017 | 55 |
| 2018 | 32 |
| 2019 | 35 |
| 2020 | 33 |
| 2021 | 25 |
| 2022 | 24 |
| 2023 | 19 |
| 2024 | 16 |
| 2025 | 10 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hybrid vehicle engine start
US-9458811-B2 · Oct 4, 2016 · US
Travel controller for vehicles
US-9446767-B2 · Sep 20, 2016 · US
Vehicle control device
US-2016264140-A1 · Sep 15, 2016 · US
Managing shift energy in a transmission of a vehicle
US-2016265460-A1 · Sep 15, 2016 · US
Method and system for binary flow turbine control
US-9441533-B2 · Sep 13, 2016 · US
Method and system for binary flow turbine control
US-2016258350-A1 · Sep 8, 2016 · US
Vehicle and intake amount control device
US-9435269-B2 · Sep 6, 2016 · US
Method of controlling the stopping and starting of an engine
US-2016245203-A1 · Aug 25, 2016 · US
Vehicle control apparatus
US-9422881-B2 · Aug 23, 2016 · US
Vehicle control device
US-2016229406-A1 · Aug 11, 2016 · US
Vehicle control system
US-9381920-B2 · Jul 5, 2016 · US
Method and device for protecting dual mass flywheel of vehicle
US-2016153520-A1 · Jun 2, 2016 · US
Apparatus and method for controlling engine clutch
US-2016137191-A1 · May 19, 2016 · US
Method and system for binary flow turbine control
US-9341109-B2 · May 17, 2016 · US
Vehicle driving device
US-9328783-B2 · May 3, 2016 · US
Method and system for binary flow turbine control
US-2016115885-A1 · Apr 28, 2016 · US
Engine control systems and methods for vehicle launch
US-9309824-B2 · Apr 12, 2016 · US
Method and device for controlling a starting process of a motor vehicle
US-9303570-B2 · Apr 5, 2016 · US
Vehicle driving device and vehicle driving method
US-9297323-B2 · Mar 29, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02D41/022?
- CPC F02D41/022 is the Cooperative Patent Classification code for “in relation with the clutch status.”
- How many patents are filed under CPC F02D41/022 (in relation with the clutch status)?
- Our database includes 335 publications tagged with this CPC code.
- Is patent activity under CPC F02D41/022 growing?
- Publication counts under this code: 16 in 2024 vs 10 in 2025 (latest complete years).