Internal combustion engine
US-2021189953-A1 · Jun 24, 2021 · US
in engines having inlet valves arranged eccentrically to cylinder axis (F02B31/08 takes precedence)
in engines having inlet valves arranged eccentrically to cylinder axis (F02B31/08 takes precedence) · 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 | F02B31/02 |
| Official title | in engines having inlet valves arranged eccentrically to cylinder axis (F02B31/08 takes precedence) |
| Display label | in engines having inlet valves arranged eccentrically to cylinder axis (F02B31/08 takes precedence) |
| Total patents | 27 |
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 | 4 |
| 2016 | 1 |
| 2017 | 6 |
| 2018 | 1 |
| 2019 | 7 |
| 2020 | 6 |
| 2021 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Internal combustion engine
US-10989107-B2 · Apr 27, 2021 · US
Internal-combustion engine with direct fuel injection in the direction of the intake gas motion
US-10871101-B2 · Dec 22, 2020 · US
Applied-ignition internal combustion engine with two cylinder-specific valves and method for mixture formation in an internal combustion engine of said type
US-10738684-B2 · Aug 11, 2020 · US
Method of monitoring an engine able to operate with selective valve deactivation
US-10704463-B2 · Jul 7, 2020 · US
In-combustion chamber flow control device
US-10626786-B2 · Apr 21, 2020 · US
Diesel engine
US-2020080468-A1 · Mar 12, 2020 · US
Diesel engine
US-2020063644-A1 · Feb 27, 2020 · US
Applied-ignition internal combustion engine with two cylinder-specific valves and method for mixture formation in an internal combustion engine of said type
US-2019353091-A1 · Nov 21, 2019 · US
Control apparatus and method for internal combustion engine
US-10450944-B2 · Oct 22, 2019 · US
Otto and diesel cycles employing spinning gas
US-10450943-B2 · Oct 22, 2019 · US
Opening/closing valve structure
US-10408120-B2 · Sep 10, 2019 · US
Method of monitoring an engine able to operate with selective valve deactivation
US-2019271265-A1 · Sep 5, 2019 · US
In-combustion chamber flow control device
US-2019145307-A1 · May 16, 2019 · US
Internal-combustion engine with direct fuel injection in the direction of the intake gas motion
US-2019101048-A1 · Apr 4, 2019 · US
Internal combustion engine
US-2018274434-A1 · Sep 27, 2018 · US
Control apparatus and method for internal combustion engine
US-2017292437-A1 · Oct 12, 2017 · US
Engine
US-9784153-B2 · Oct 10, 2017 · US
Turbocharged engine
US-9702296-B2 · Jul 11, 2017 · US
Internal combustion engine, vehicle having the same, and method for manufacturing internal combustion engine
US-2017175670-A1 · Jun 22, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02B31/02?
- CPC F02B31/02 is the Cooperative Patent Classification code for “in engines having inlet valves arranged eccentrically to cylinder axis (F02B31/08 takes precedence).”
- How many patents are filed under CPC F02B31/02 (in engines having inlet valves arranged eccentrically to cylinder axis (F02B31/08 takes precedence))?
- Our database includes 27 publications tagged with this CPC code.
- Is patent activity under CPC F02B31/02 growing?
- Publication counts under this code: 6 in 2020 vs 2 in 2021 (latest complete years).