Method and system for controlling injection of mixture fuel in an internal combustion engine
US-2018334971-A1 · Nov 22, 2018 · US
with determination of densities, viscosities, composition, concentration or mixture ratios of fuels
with determination of densities, viscosities, composition, concentration or mixture ratios of fuels · 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 | F02D19/087 |
| Official title | {with determination of densities, viscosities, composition, concentration or mixture ratios of fuels} |
| Display label | with determination of densities, viscosities, composition, concentration or mixture ratios of fuels |
| Total patents | 136 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 16 |
| 2016 | 14 |
| 2017 | 14 |
| 2018 | 20 |
| 2019 | 14 |
| 2020 | 17 |
| 2021 | 10 |
| 2022 | 5 |
| 2023 | 8 |
| 2024 | 6 |
| 2025 | 11 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Control device for internal combustion engine
US-10087867-B2 · Oct 2, 2018 · US
Flexible-fuel engine
US-10054016-B2 · Aug 21, 2018 · US
Ignition timing control device for internal combustion engine
US-10054098-B2 · Aug 21, 2018 · US
Control device for internal combustion engine
US-10006380-B2 · Jun 26, 2018 · US
Control apparatus for internal combustion engine
US-10001068-B2 · Jun 19, 2018 · US
Modeling oil dilution using a multicomponent model
US-9938910-B2 · Apr 10, 2018 · US
Managing fuel oil mixture in engines
US-2018094609-A1 · Apr 5, 2018 · US
Managing fuel oil mixture in engines
US-2018094607-A1 · Apr 5, 2018 · US
Managing fuel oil mixture in engines
US-2018094608-A1 · Apr 5, 2018 · US
Abnormality determination apparatus
US-9932923-B2 · Apr 3, 2018 · US
Managing fuel oil mixture in engines
US-9926887-B2 · Mar 27, 2018 · US
Control device applied to hybrid vehicle
US-2018080393-A1 · Mar 22, 2018 · US
Method for determining the bulk modulus of fuels
US-9903849-B2 · Feb 27, 2018 · US
Ignition timing control device for internal combustion engine
US-2018023530-A1 · Jan 25, 2018 · US
Method for determining fuel blend in a dual fuel mixture
US-9869254-B2 · Jan 16, 2018 · US
Control device for internal combustion engine
US-2017356379-A1 · Dec 14, 2017 · US
Flexible-fuel engine
US-2017335725-A1 · Nov 23, 2017 · US
Network based sharing of automated fuel characteristics
US-9822713-B2 · Nov 21, 2017 · US
Control device for internal combustion engine
US-9810172-B2 · Nov 7, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02D19/087?
- CPC F02D19/087 is the Cooperative Patent Classification code for “with determination of densities, viscosities, composition, concentration or mixture ratios of fuels.”
- How many patents are filed under CPC F02D19/087 (with determination of densities, viscosities, composition, concentration or mixture ratios of fuels)?
- Our database includes 136 publications tagged with this CPC code.
- Is patent activity under CPC F02D19/087 growing?
- Publication counts under this code: 6 in 2024 vs 11 in 2025 (latest complete years).