Stoichiometric high-temperature direct-injection compression-ignition engine
US-12196125-B2 · Jan 14, 2025 · US
Methods of operating (F02B3/12 takes precedence)
Methods of operating (F02B3/12 takes precedence) · 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 | F02B3/08 |
| Official title | Methods of operating (F02B3/12 takes precedence) |
| Display label | Methods of operating (F02B3/12 takes precedence) |
| Total patents | 44 |
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 | 7 |
| 2016 | 2 |
| 2017 | 4 |
| 2018 | 7 |
| 2019 | 5 |
| 2020 | 3 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 5 |
| 2024 | 4 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Work vehicle low cetane power system with external to cylinder compression ignition assistance
US-12044187-B2 · Jul 23, 2024 · US
Work vehicle low cetane power system with external to cylinder compression ignition assistance
US-2024209806-A1 · Jun 27, 2024 · US
Systems and method for controlling auto-ignition
US-11952935-B2 · Apr 9, 2024 · US
Methods and systems for multi-fuel engine
US-11905877-B2 · Feb 20, 2024 · US
Stoichiometric High-Temperature Direct-Injection Compression-Ignition Engine
US-2023358161-A1 · Nov 9, 2023 · US
Multivariable dynamic control system of a multi-fuel engine
US-11719152-B2 · Aug 8, 2023 · US
Methods and systems for multi-fuel engine
US-2023193810-A1 · Jun 22, 2023 · US
Systems and method for controlling auto-ignition
US-11585262-B2 · Feb 21, 2023 · US
Stoichiometric high-temperature direct-injection compression-ignition engine
US-11542856-B2 · Jan 3, 2023 · US
An improved ammonia based fuel for engines
US-2022275299-A1 · Sep 1, 2022 · US
Hpdf operating method for an internal combustion engine, internal combustion engine and working device
US-2022243643-A1 · Aug 4, 2022 · US
Systems and method for controlling auto-ignition
US-2021404371-A1 · Dec 30, 2021 · US
Systems and method for controlling auto-ignition
US-2021404372-A1 · Dec 30, 2021 · US
Systems and method for controlling auto-ignition
US-11143090-B2 · Oct 12, 2021 · US
Multivariable dynamic control system of a multi-fuel engine
US-2021301714-A1 · Sep 30, 2021 · US
Control device of compression-ignition engine
US-10760519-B2 · Sep 1, 2020 · US
Automotive powertrain unit
US-10626805-B2 · Apr 21, 2020 · US
Air control apparatus for an engine and a method thereof
US-2020116089-A1 · Apr 16, 2020 · US
Control device of compression-ignition engine
US-2019360422-A1 · Nov 28, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02B3/08?
- CPC F02B3/08 is the Cooperative Patent Classification code for “Methods of operating (F02B3/12 takes precedence).”
- How many patents are filed under CPC F02B3/08 (Methods of operating (F02B3/12 takes precedence))?
- Our database includes 44 publications tagged with this CPC code.
- Is patent activity under CPC F02B3/08 growing?
- Publication counts under this code: 4 in 2024 vs 1 in 2025 (latest complete years).