Fuel estimation apparatus
US-2016363084-A1 · Dec 15, 2016 · US
with compression ignition (with fuel-air charge ignited by compression ignition of an additional fuel F02B7/00)
with compression ignition (with fuel-air charge ignited by compression ignition of an additional fuel F02B7/00) · 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 | F02B1/12 |
| Official title | with compression ignition (with fuel-air charge ignited by compression ignition of an additional fuel F02B7/00) |
| Display label | with compression ignition (with fuel-air charge ignited by compression ignition of an additional fuel F02B7/00) |
| Total patents | 223 |
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 | 34 |
| 2016 | 30 |
| 2017 | 21 |
| 2018 | 20 |
| 2019 | 28 |
| 2020 | 32 |
| 2021 | 30 |
| 2022 | 17 |
| 2023 | 4 |
| 2024 | 3 |
| 2025 | 2 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Control method of spark ignition engine and spark ignition engine
US-9512814-B2 · Dec 6, 2016 · US
Direct fuel injection combustion engine and more particularly a compression-ignition engine with a low compression ratio
US-2016341106-A1 · Nov 24, 2016 · US
Controller and control method for homogeneous charge compression ignition engine
US-9482162-B2 · Nov 1, 2016 · US
Fuel Injector Device and Method
US-2016290302-A1 · Oct 6, 2016 · US
Compression-ignition direct-injection combustion engine and fuel injection method for same
US-2016265418-A1 · Sep 15, 2016 · US
Predictive modeling and reducing cyclic variability in autoignition engines
US-9429096-B2 · Aug 30, 2016 · US
Spark ignition engine
US-9429087-B2 · Aug 30, 2016 · US
Control system of engine
US-2016245128-A1 · Aug 25, 2016 · US
Exhaust treatment apparatus and method
US-2016230629-A1 · Aug 11, 2016 · US
Injection nozzle
US-9404460-B2 · Aug 2, 2016 · US
Control device of engine
US-2016201635-A1 · Jul 14, 2016 · US
Engine combustion control via fuel reactivity stratification
US-9376955-B2 · Jun 28, 2016 · US
Internal combustion engine control device
US-9359934-B2 · Jun 7, 2016 · US
Spark-ignition internal combustion engine having wall portion separating at least the two cylinders
US-9359935-B2 · Jun 7, 2016 · US
Mixed-mode combustion control
US-9334818-B2 · May 10, 2016 · US
Automotive virtual humidity sensor
US-9328698-B2 · May 3, 2016 · US
Internal combustion engine operating on different reactivity fuels
US-9322339-B2 · Apr 26, 2016 · US
High pressure fuel pumps with mechanical pressure regulation
US-9316161-B2 · Apr 19, 2016 · US
Fuel injector characterization
US-2016084189-A1 · Mar 24, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02B1/12?
- CPC F02B1/12 is the Cooperative Patent Classification code for “with compression ignition (with fuel-air charge ignited by compression ignition of an additional fuel F02B7/00).”
- How many patents are filed under CPC F02B1/12 (with compression ignition (with fuel-air charge ignited by compression ignition of an additional fuel F02B7/00))?
- Our database includes 223 publications tagged with this CPC code.
- Is patent activity under CPC F02B1/12 growing?
- Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).