Ammonia-hydrogen fusion fuel diffusion combustion control system based on reactivity regulation
US-2024018915-A1 · Jan 18, 2024 · US
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peculiar to oxygen-fed engines
peculiar to oxygen-fed engines · 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 | F02D21/02 |
| Official title | peculiar to oxygen-fed engines |
| Display label | peculiar to oxygen-fed engines |
| Total patents | 14 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Systems and methods for exhaust gas recirculation
US-11754007-B2 · Sep 12, 2023 · US
Systems and methods for exhaust gas recirculation
US-2022403803-A1 · Dec 22, 2022 · US
Systems and methods for exhaust gas recirculation
US-11454180-B1 · Sep 27, 2022 · US
Intake oxygen concentration control system suitable for engine with lean NOx trapping technology
US-11111864-B2 · Sep 7, 2021 · US
Systems and methods for increasing oxygen levels in an active pre-chamber
US-11060443-B1 · Jul 13, 2021 · US
INTAKE OXYGEN CONCENTRATION CONTROL SYSTEM SUITABLE FOR ENGINE WITH LEAN NOx TRAPPING TECHNOLOGY
US-2021123388-A1 · Apr 29, 2021 · US
Arrangement and process for carrying out an intensified combustion
US-10871130-B2 · Dec 22, 2020 · US
Control system for internal combustion engine
US-10544742-B2 · Jan 28, 2020 · US
Control system for internal combustion engine
US-2018135539-A1 · May 17, 2018 · US
Engine refurbishment using ionized air
US-9670849-B2 · Jun 6, 2017 · US
Engine refurbishment using ionized air
US-2016252025-A1 · Sep 1, 2016 · US
Gas supply apparatus for internal combustion engine
US-9062631-B2 · Jun 23, 2015 · US
Uniflow-scavenging-type two-cycle engine
US-2015167537-A1 · Jun 18, 2015 · US