Turbo arrangement
US-2024247602-A1 · Jul 25, 2024 · US
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Engine-driven air pumps
Engine-driven air pumps · 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 | F01N3/326 |
| Official title | {Engine-driven air pumps} |
| Display label | Engine-driven air pumps |
| Total patents | 22 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method, processing unit, and computer program for ascertaining an air volume provided by means of an electric air pump in an exhaust system of an internal combustion engine
US-11879368-B2 · Jan 23, 2024 · US
Method, processing unit, and computer program for ascertaining an air volume provided by means of an electric air pump in an exhaust system of an internal combustion engine
US-2023061467-A1 · Mar 2, 2023 · US
System for thermal management of engine exhaust
US-11591946-B1 · Feb 28, 2023 · US
Method For Operating An Exhaust Gas Cleaning System Arranged In The Exhaust Line Of An Internal Combustion Engine, And Exhaust Gas Cleaning System
US-2022251989-A1 · Aug 11, 2022 · US
Control device for internal combustion engine
US-11028750-B2 · Jun 8, 2021 · US
Exhaust gas system with preconditioning
US-10989084-B2 · Apr 27, 2021 · US
Internal combustion engine exhaust pipe fluidic purger system
US-2020340386-A1 · Oct 29, 2020 · US
Exhaust gas system with preconditioning
US-2020165949-A1 · May 28, 2020 · US
Control device for internal combustion engine
US-2020157993-A1 · May 21, 2020 · US
Systems and methods for air assisted injection of a reductant into an aftertreatment system
US-2019195106-A1 · Jun 27, 2019 · US
Method for operating a drive device and corresponding drive device
US-10294844-B2 · May 21, 2019 · US
Method for operating a drive device and corresponding drive device
US-2018266295-A1 · Sep 20, 2018 · US
Method for operating a drive device and corresponding drive device
US-10006331-B2 · Jun 26, 2018 · US
Engine for outboard motor
US-9982594-B2 · May 29, 2018 · US
Internal combustion engine exhaust pipe fluidic purger system
US-2018038262-A1 · Feb 8, 2018 · US
Thermal management system for aftertreatment system
US-9784170-B2 · Oct 10, 2017 · US
Thermal management system for aftertreatment system
US-2017074149-A1 · Mar 16, 2017 · US
Engine for outboard motor
US-2017044973-A1 · Feb 16, 2017 · US
Method for operating a drive device and corresponding drive device
US-2015361855-A1 · Dec 17, 2015 · US