Non-emitting engines with oxyfuel combustion and carbon capture system
US-12480437-B2 · Nov 25, 2025 · US
Circulation of exhaust gas in closed or semi-closed circuits, e.g. with simultaneous addition of oxygen
Circulation of exhaust gas in closed or semi-closed circuits, e.g. with simultaneous addition of oxygen · 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 | F02B47/10 |
| Official title | Circulation of exhaust gas in closed or semi-closed circuits, e.g. with simultaneous addition of oxygen |
| Display label | Circulation of exhaust gas in closed or semi-closed circuits, e.g. with simultaneous addition of oxygen |
| Total patents | 40 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 2 |
| 2017 | 8 |
| 2018 | 8 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 3 |
| 2023 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Non-emitting engines with oxyfuel combustion and carbon capture system
US-2025101906-A1 · Mar 27, 2025 · US
Method for process-integrated oxygen supply of a hydrogen circulation engine comprising recirculation of a noble gas
US-11808238-B2 · Nov 7, 2023 · US
Inlet mixer for exhaust gas recirculation in power generation systems
US-11761407-B1 · Sep 19, 2023 · US
Oxycombustion engine systems including recirculation management features
US-11512656-B2 · Nov 29, 2022 · US
Method for process-integrated oxygen supply of a hydrogen circulation engine comprising recirculation of a noble gas
US-2022372936-A1 · Nov 24, 2022 · US
Oxycombustion engine systems including recirculation management features
US-2022120228-A1 · Apr 21, 2022 · US
Fuel oxygen conversion unit with a fuel/gas separator
US-11131256-B2 · Sep 28, 2021 · US
Engine controlled by combustion reaction path and regulating method thereof
US-10837411-B2 · Nov 17, 2020 · US
Fuel Oxygen Conversion Unit with a Fuel/Gas Separator
US-2020141337-A1 · May 7, 2020 · US
Boosted internal combustion engine with low-pressure exhaust-gas recirculation arrangement and pivotable flap
US-10619605-B2 · Apr 14, 2020 · US
Turbocharger
US-10364761-B2 · Jul 30, 2019 · US
Apparatus and method for oxy-combustion of fuels in internal combustion engines
US-10280877-B2 · May 7, 2019 · US
Boosted internal combustion engine with low-pressure exhaust-gas recirculation arrangement and pivotable flap
US-2018328318-A1 · Nov 15, 2018 · US
Dual fuel architecture and method for cylinder bank cutout and increased gas substitution during light load conditions
US-10100723-B2 · Oct 16, 2018 · US
Engine Control Device
US-2018171892-A1 · Jun 21, 2018 · US
Intake and exhaust system of internal combustion engine
US-9995249-B2 · Jun 12, 2018 · US
Intake and exhaust system of internal combustion engine
US-2018094574-A1 · Apr 5, 2018 · US
Stoichiometric combustion of enriched air with exhaust gas recirculation
US-9903316-B2 · Feb 27, 2018 · US
Low emission triple-cycle power generation and CO2 separation systems and methods
US-9903271-B2 · Feb 27, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02B47/10?
- CPC F02B47/10 is the Cooperative Patent Classification code for “Circulation of exhaust gas in closed or semi-closed circuits, e.g. with simultaneous addition of oxygen.”
- How many patents are filed under CPC F02B47/10 (Circulation of exhaust gas in closed or semi-closed circuits, e.g. with simultaneous addition of oxygen)?
- Our database includes 40 publications tagged with this CPC code.
- Is patent activity under CPC F02B47/10 growing?
- Publication counts under this code: 2 in 2023 vs 2 in 2025 (latest complete years).