Intake duct for internal combustion engine
US-11319868-B2 · May 3, 2022 · US
This page is not indexed by search engines while we improve data quality.
Oscillating pipe charging, i.e. variable intake pipe length charging
Oscillating pipe charging, i.e. variable intake pipe length charging · 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 | F02B27/0215 |
| Official title | {Oscillating pipe charging, i.e. variable intake pipe length charging} |
| Display label | Oscillating pipe charging, i.e. variable intake pipe length charging |
| Total patents | 16 |
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 | 5 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 1 |
| 2021 | 3 |
| 2022 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Inlet duct for internal combustion engine
US-11156150-B2 · Oct 26, 2021 · US
Intake duct for internal combustion engine
US-2021017897-A1 · Jan 21, 2021 · US
Inlet duct for internal combustion engine
US-2021003067-A1 · Jan 7, 2021 · US
Air intake device and valve
US-10273871-B2 · Apr 30, 2019 · US
Air intake apparatus
US-10060396-B2 · Aug 28, 2018 · US
Variable intake system
US-9897051-B2 · Feb 20, 2018 · US
Variable intake system
US-2017107956-A1 · Apr 20, 2017 · US
Air intake control valve and air intake apparatus
US-9624838-B2 · Apr 18, 2017 · US
Air intake device and valve
US-2017009641-A1 · Jan 12, 2017 · US
Air intake apparatus for internal combustion engine
US-9399957-B2 · Jul 26, 2016 · US
Air intake control valve and air intake apparatus
US-2015330515-A1 · Nov 19, 2015 · US
Air intake apparatus
US-2015330340-A1 · Nov 19, 2015 · US
Air intake apparatus for internal combustion engine
US-2015252755-A1 · Sep 10, 2015 · US
Internal combustion engine control device and method
US-2015219024-A1 · Aug 6, 2015 · US
Dedicated EGR control strategy for improved EGR distribution and engine performance
US-8944034-B2 · Feb 3, 2015 · US