Internal combustion engine for a motor vehicle, in particular for a car
US-11808244-B2 · Nov 7, 2023 · US
of spring type
of spring type · 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 | F02N5/02 |
| Official title | of spring type |
| Display label | of spring type |
| Total patents | 30 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 4 |
| 2017 | 2 |
| 2019 | 4 |
| 2020 | 6 |
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Starter pulley arrangement
US-11802532-B2 · Oct 31, 2023 · US
Internal Combustion Engine for a Motor Vehicle, in Particular for a Car
US-2023167795-A1 · Jun 1, 2023 · US
Starter pulley arrangement
US-2023123394-A1 · Apr 20, 2023 · US
Engine starting device
US-11428198-B2 · Aug 30, 2022 · US
Starter device, pulley assembly for a starter device, and connecting spring for a pulley assembly
US-11359591-B2 · Jun 14, 2022 · US
Spring casing and starter device with a spring casing
US-11333119-B2 · May 17, 2022 · US
Engine starting device
US-2021404432-A1 · Dec 30, 2021 · US
Exhaust gas heat recovery system
US-11022069-B2 · Jun 1, 2021 · US
Startup assistance device for internal combustion engine
US-10961969-B2 · Mar 30, 2021 · US
Starting device for starting a combustion engine and handheld work apparatus having said starting device
US-10954910-B2 · Mar 23, 2021 · US
Spring Casing and Starter Device with a Spring Casing
US-2020378351-A1 · Dec 3, 2020 · US
Startup assistance device for internal combustion engine
US-2020347812-A1 · Nov 5, 2020 · US
Starter Device, Pulley Assembly for a Starter Device, and Connecting Spring for a Pulley Assembly
US-2020291912-A1 · Sep 17, 2020 · US
System and method for removing rotor bow in a gas turbine engine using mechanical energy storage device
US-10760498-B2 · Sep 1, 2020 · US
Exhaust Gas Heat Recovery System
US-2020182191-A1 · Jun 11, 2020 · US
Internal combustion engine start assistance mechanism
US-2020018278-A1 · Jan 16, 2020 · US
Starting device for starting a combustion engine and handheld work apparatus having said starting device
US-2019285042-A1 · Sep 19, 2019 · US
System and Method for Removing Rotor Bow in a Gas Turbine Engine
US-2019203646-A1 · Jul 4, 2019 · US
Starter device for an internal combustion engine and handheld work apparatus having an internal combustion engine and said starter device
US-10309362-B2 · Jun 4, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02N5/02?
- CPC F02N5/02 is the Cooperative Patent Classification code for “of spring type.”
- How many patents are filed under CPC F02N5/02 (of spring type)?
- Our database includes 30 publications tagged with this CPC code.
- Is patent activity under CPC F02N5/02 growing?
- Publication counts under this code: 3 in 2022 vs 4 in 2023 (latest complete years).