Method of continuously variable valve duration position learning based on conditional application and continuously variable valve duration system therefor
US-11085339-B2 · Aug 10, 2021 · US
Prohibition of learning
Prohibition of learning · 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 | F02D41/2448 |
| Official title | {Prohibition of learning} |
| Display label | Prohibition of learning |
| Total patents | 72 |
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 | 3 |
| 2016 | 7 |
| 2017 | 10 |
| 2018 | 19 |
| 2019 | 8 |
| 2020 | 9 |
| 2021 | 7 |
| 2022 | 3 |
| 2023 | 5 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for generating vehicle controlling data, vehicle controller, vehicle control system, and learning device for vehicle
US-2021213963-A1 · Jul 15, 2021 · US
Method for sensing closing time of injector using artificial neural network and method for controlling injector using the same
US-2021199067-A1 · Jul 1, 2021 · US
Control apparatus for internal combustion engine and method for controlling internal combustion engine
US-10961928-B2 · Mar 30, 2021 · US
Control method and control device for internal combustion engine
US-2020386170-A1 · Dec 10, 2020 · US
Internal combustion engine system
US-10801429-B2 · Oct 13, 2020 · US
Method for adapting a fuel quantity to be injected in an internal combustion engine
US-2020290453-A1 · Sep 17, 2020 · US
Controller for internal combustion engine
US-10753298-B2 · Aug 25, 2020 · US
NOx occlusion amount estimating device and NOx occlusion amount estimating method
US-10683788-B2 · Jun 16, 2020 · US
Exhaust purification system
US-10675587-B2 · Jun 9, 2020 · US
Internal combustion engine system
US-2020149485-A1 · May 14, 2020 · US
Method of continuously variable valve duration position learning based on conditional application and continuously variable valve duration system therefor
US-2020072132-A1 · Mar 5, 2020 · US
Exhaust purification system and catalyst regeneration method
US-10570798-B2 · Feb 25, 2020 · US
Portable working machine including engine with carburetor and fuel supply control method thereof
US-10495017-B2 · Dec 3, 2019 · US
Control device for internal combustion engine
US-10450982-B2 · Oct 22, 2019 · US
Humidity measuring device
US-10401314-B2 · Sep 3, 2019 · US
Exhaust purification system, and control method for exhaust purification system
US-10392981-B2 · Aug 27, 2019 · US
Fuel injector control device
US-10352264-B2 · Jul 16, 2019 · US
Exhaust purification system
US-10337433-B2 · Jul 2, 2019 · US
Control apparatus for internal combustion engine and method for controlling internal combustion engine
US-2019101073-A1 · Apr 4, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02D41/2448?
- CPC F02D41/2448 is the Cooperative Patent Classification code for “Prohibition of learning.”
- How many patents are filed under CPC F02D41/2448 (Prohibition of learning)?
- Our database includes 72 publications tagged with this CPC code.
- Is patent activity under CPC F02D41/2448 growing?
- Publication counts under this code: 5 in 2023 vs 1 in 2024 (latest complete years).