Work vehicle power system with dynamic auto-ignition assistance compression ratios
US-12553395-B2 · Feb 17, 2026 · US
with compression ignition (engines characterised by fuel-air mixture compression with compression ignition F02B1/12; engines characterised by air compression and subsequent fuel addition with compression ignition F02B3/06)
with compression ignition (engines characterised by fuel-air mixture compression with compression ignition F02B1/12; engines characterised by air compression and subsequent fuel addition with compression ignition F02B3/06) · 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 | F02B9/02 |
| Official title | with compression ignition (engines characterised by fuel-air mixture compression with compression ignition F02B1/12; engines characterised by air compression and subsequent fuel addition with compression ignition F02B3/06) |
| Display label | with compression ignition (engines characterised by fuel-air mixture compression with compression ignition F02B1/12; engines characterised by air compression and subsequent fuel addition with compression ignition F02B3/06) |
| Total patents | 59 |
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 | 1 |
| 2016 | 8 |
| 2017 | 7 |
| 2018 | 7 |
| 2019 | 5 |
| 2020 | 9 |
| 2021 | 10 |
| 2022 | 6 |
| 2023 | 2 |
| 2024 | 3 |
| 2026 | 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
Work vehicle power system with dynamic auto-ignition assistance compression ratios
US-2024209805-A1 · Jun 27, 2024 · US
Engine system
US-11692477-B2 · Jul 4, 2023 · US
Engine system
US-2023029629-A1 · Feb 2, 2023 · US
Flexible ignition device for gasoline compression ignition combustion in internal combustion engines
US-11473551-B1 · Oct 18, 2022 · US
Control apparatus for compression-ignition type engine
US-11326508-B2 · May 10, 2022 · US
Control apparatus for compression-ignition type engine
US-11326543-B2 · May 10, 2022 · US
Control apparatus for compression-ignition type engine
US-11313269-B2 · Apr 26, 2022 · US
Two-stroke engine with supercharger
US-2022034265-A1 · Feb 3, 2022 · US
Two-stroke engine with supercharger
US-11236684-B1 · Feb 1, 2022 · US
Control apparatus for compression-ignition type engine
US-2021372317-A1 · Dec 2, 2021 · US
Control apparatus for compression-ignition type engine
US-2021363935-A1 · Nov 25, 2021 · US
Intake-air temperature controlling device for engine
US-11181054-B2 · Nov 23, 2021 · US
Control apparatus for compression-ignition type engine
US-11168639-B2 · Nov 9, 2021 · US
Internal combustion engine with cross-boosting turbochargers
US-11156191-B2 · Oct 26, 2021 · US
Control apparatus for compression-ignition type engine
US-2021239067-A1 · Aug 5, 2021 · US
Control apparatus for compression-ignition type engine
US-2021222610-A1 · Jul 22, 2021 · US
Internal Combustion Engine with Cross-Boosting Turbochargers
US-2021156342-A1 · May 27, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02B9/02?
- CPC F02B9/02 is the Cooperative Patent Classification code for “with compression ignition (engines characterised by fuel-air mixture compression with compression ignition F02B1/12; engines characterised by air compression and subsequent fuel addition with compression ignition F02B3/06).”
- How many patents are filed under CPC F02B9/02 (with compression ignition (engines characterised by fuel-air mixture compression with compression ignition F02B1/12; engines characterised by air compression and subsequent fuel addition with compression ignition F02B3/06))?
- Our database includes 59 publications tagged with this CPC code.
- Is patent activity under CPC F02B9/02 growing?
- Publication counts under this code: 2 in 2023 vs 3 in 2024 (latest complete years).