System and method for reducing variable compression ratio engine shutdown shake
US-2018363572-A1 · Dec 20, 2018 · 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 | F02D15/00 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 162 |
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 | 20 |
| 2016 | 17 |
| 2017 | 13 |
| 2018 | 19 |
| 2019 | 25 |
| 2020 | 15 |
| 2021 | 19 |
| 2022 | 17 |
| 2023 | 9 |
| 2024 | 4 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for operating an internal combustion engine employing a dedicated-cylinder EGR system
US-10100760-B2 · Oct 16, 2018 · US
Internal combustion engine
US-2018291777-A1 · Oct 11, 2018 · US
Variable compression ratio engine
US-2018265071-A1 · Sep 20, 2018 · US
Variable compression ratio engine
US-10077041-B1 · Sep 18, 2018 · US
Homogeneous charge compression ignition linear generator
US-2018258845-A1 · Sep 13, 2018 · US
Systems and methods for detection and mitigation of liquid fuel carryover in an evaporative emissions system
US-10040448-B2 · Aug 7, 2018 · US
Cold start strategy and system for gasoline direct injection compression ignition engine
US-2018180013-A1 · Jun 28, 2018 · US
Internal combustion engine
US-9926888-B2 · Mar 27, 2018 · US
Vehicle control apparatus
US-2018072297-A1 · Mar 15, 2018 · US
Decel fuel cut-off
US-2017321617-A1 · Nov 9, 2017 · US
Diesel engine
US-2017292436-A1 · Oct 12, 2017 · US
Vehicle control device
US-2017284542-A1 · Oct 5, 2017 · US
Switch valve for controlling a hydraulic fluid flow and connecting rod with the switch valve
US-2017260899-A1 · Sep 14, 2017 · US
EGR cylinder operation in an internal combustion engine
US-9726122-B2 · Aug 8, 2017 · US
Variable compression ratio apparatus
US-2017167370-A1 · Jun 15, 2017 · US
Systems and methods for detection and mitigation of liquid fuel carryover in an evaporative emissions system
US-2017137022-A1 · May 18, 2017 · US
Internal combustion engine provided with variable compression ratio mechanism
US-9644546-B2 · May 9, 2017 · US
Internal combustion engine which can be operated with liquid and with gaseous fuel and a method for operating an internal combustion engine of this kind
US-9631548-B2 · Apr 25, 2017 · US
Method and functional monitoring apparatus for functional monitoring of an apparatus for variable setting of a cylinder compression in a reciprocating-piston internal combustion engine
US-2017102291-A1 · Apr 13, 2017 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02D15/00?
- CPC F02D15/00 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F02D15/00 (Mechanical Engineering)?
- Our database includes 162 publications tagged with this CPC code.
- Is patent activity under CPC F02D15/00 growing?
- Publication counts under this code: 4 in 2024 vs 4 in 2025 (latest complete years).