Actuator of link mechanism for internal combustion engine and actuator for variable compression ratio mechanism
US-9482161-B2 · Nov 1, 2016 · US
Mechanical Engineering
Mechanical Engineering · 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 | F02D15/02 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 454 |
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 | 39 |
| 2017 | 42 |
| 2018 | 79 |
| 2019 | 84 |
| 2020 | 81 |
| 2021 | 56 |
| 2022 | 23 |
| 2023 | 9 |
| 2024 | 4 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Actuating device for changeover valves of an internal combustion engine and internal combustion engine
US-2016312714-A1 · Oct 27, 2016 · US
Multi-joint crank drive of an internal combustion engine and corresponding internal combustion engine
US-2016312694-A1 · Oct 27, 2016 · US
Control device and control method for variable compression ratio internal combustion engines
US-9476366-B2 · Oct 25, 2016 · US
Drive apparatus constructed to detect ratcheting in wave motion gearing speed reducer
US-9476354-B2 · Oct 25, 2016 · US
Internal combustion engine
US-2016281614-A1 · Sep 29, 2016 · US
Control device and control method for internal combustion engine
US-9453471-B2 · Sep 27, 2016 · US
Control device for variable-compression-ratio internal combustion engine
US-9453464-B2 · Sep 27, 2016 · US
Adjustable linkage for variable displacement
US-9441483-B2 · Sep 13, 2016 · US
Variable compression ratio apparatus
US-9441539-B2 · Sep 13, 2016 · US
Connecting rod and internal combustion engine
US-2016258479-A1 · Sep 8, 2016 · US
Variable compression ratio internal combustion engine
US-9422872-B2 · Aug 23, 2016 · US
Internal-combustion-engine control device and control method
US-9416745-B2 · Aug 16, 2016 · US
Internal combustion engine
US-9410489-B2 · Aug 9, 2016 · US
Method and system for pre-ignition control
US-2016215706-A1 · Jul 28, 2016 · US
Adjustment apparatus for changing the compression ratio in a combustion engine
US-2016195176-A1 · Jul 7, 2016 · US
Electrohydraulic device for closed-loop driving the control jack of a variable compression ratio engine
US-9376966-B2 · Jun 28, 2016 · US
Variable length connecting rod and variable compression ratio internal combustion engine
US-2016177997-A1 · Jun 23, 2016 · US
Variable compression ratio apparatus
US-9359945-B2 · Jun 7, 2016 · US
Variable compression ratio device
US-9347385-B2 · May 24, 2016 · US
Next steps
Free tools are coming soon. Tell us what you want to track and we'll notify you.
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02D15/02?
- CPC F02D15/02 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F02D15/02 (Mechanical Engineering)?
- Our database includes 454 publications tagged with this CPC code.
- Is patent activity under CPC F02D15/02 growing?
- Publication counts under this code: 4 in 2024 vs 1 in 2025 (latest complete years).