Controller and control method for internal combustion engine
US-2019301384-A1 · Oct 3, 2019 · US
Dithering techniques
Dithering techniques · 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 | F02D41/1408 |
| Official title | {Dithering techniques} |
| Display label | Dithering techniques |
| Total patents | 97 |
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 | 13 |
| 2016 | 10 |
| 2017 | 5 |
| 2018 | 14 |
| 2019 | 24 |
| 2020 | 20 |
| 2021 | 4 |
| 2022 | 5 |
| 2023 | 1 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hybrid vehicle and control method for hybrid vehicle
US-10363920-B2 · Jul 30, 2019 · US
Controller and control method for internal combustion engine
US-2019170072-A1 · Jun 6, 2019 · US
Hybrid vehicle
US-10309286-B2 · Jun 4, 2019 · US
Controller for internal combustion engine and method for controlling internal combustion engine
US-2019136773-A1 · May 9, 2019 · US
Controller and control method for internal combustion engine
US-2019128198-A1 · May 2, 2019 · US
Temperature estimation module, control apparatus for internal combustion engine, and method for operating temperature estimation module
US-2019107068-A1 · Apr 11, 2019 · US
Controller and control method for internal combustion engine
US-2019107070-A1 · Apr 11, 2019 · US
Controller and control method for internal combustion engine
US-2019093578-A1 · Mar 28, 2019 · US
Controller and control method for internal combustion engine
US-2019093580-A1 · Mar 28, 2019 · US
Controller and control method for internal combustion engine
US-2019093533-A1 · Mar 28, 2019 · US
Controller and control method for internal combustion engine
US-2019093532-A1 · Mar 28, 2019 · US
Controller for internal combustion engine
US-2019048816-A1 · Feb 14, 2019 · US
Control apparatus for internal combustion engine
US-2019024556-A1 · Jan 24, 2019 · US
Controller and control method for internal combustion engine
US-2019024603-A1 · Jan 24, 2019 · US
Selective catalytic reduction steady state ammonia slip and reductant breakthrough detection
US-2019010851-A1 · Jan 10, 2019 · US
Exhaust gas purification system for an internal combustion engine
US-10174699-B2 · Jan 8, 2019 · US
Control apparatus for internal combustion engine
US-10174696-B2 · Jan 8, 2019 · US
Method and system for exhaust gas recirculation and heat recovery
US-2018355809-A1 · Dec 13, 2018 · US
Method and system for exhaust gas recirculation and heat recovery
US-10107213-B2 · Oct 23, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02D41/1408?
- CPC F02D41/1408 is the Cooperative Patent Classification code for “Dithering techniques.”
- How many patents are filed under CPC F02D41/1408 (Dithering techniques)?
- Our database includes 97 publications tagged with this CPC code.
- Is patent activity under CPC F02D41/1408 growing?
- Publication counts under this code: 1 in 2023 vs 1 in 2024 (latest complete years).