Aircraft air system with dedicated compressor(s)
US-12435667-B2 · Oct 7, 2025 · US
the working fluid being generated in an internal-combustion gas generated of the positive-displacement type having essentially no mechanical power output (internal-combustion engines with prolonged expansion using exhaust gas turbines F02B)
the working fluid being generated in an internal-combustion gas generated of the positive-displacement type having essentially no mechanical power output (internal-combustion engines with prolonged expansion using exhaust gas turbines F02B) · 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 | F02C5/06 |
| Official title | the working fluid being generated in an internal-combustion gas generated of the positive-displacement type having essentially no mechanical power output (internal-combustion engines with prolonged expansion using exhaust gas turbines F02B) |
| Display label | the working fluid being generated in an internal-combustion gas generated of the positive-displacement type having essentially no mechanical power output (internal-combustion engines with prolonged expansion using exhaust gas turbines F02B) |
| Total patents | 29 |
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 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 3 |
| 2022 | 6 |
| 2023 | 7 |
| 2024 | 4 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Aircraft air system with dedicated compressor(s)
US-2024418122-A1 · Dec 19, 2024 · US
Aircraft propulsion system with intermittent combustion engine and electric transmission system and method for operating the same
US-12139265-B2 · Nov 12, 2024 · US
Compounded turbo power unit with boost combustor
US-2024151179-A1 · May 9, 2024 · US
Monitoring system and method of hydrogen refueling station and computing device for executing the same
US-2024125433-A1 · Apr 18, 2024 · US
Aircraft propulsion system with intermittent combustion engine and electric transmission system and method for operating the same
US-2023415905-A1 · Dec 28, 2023 · US
Aircraft propulsion system with intermittent combustion engine and electric transmission system and method for operating the same
US-2023406519-A1 · Dec 21, 2023 · US
Aircraft propulsion system with intermittent combustion engine and electric transmission system and method for operating the same
US-11827370-B1 · Nov 28, 2023 · US
Aircraft power plant with supercritical CO2 heat engine
US-11787548-B2 · Oct 17, 2023 · US
Aircraft propulsion system with intermittent combustion engine(s)
US-11719166-B1 · Aug 8, 2023 · US
Muffler
US-2023212967-A1 · Jul 6, 2023 · US
Aircraft power plant with supercritical co2 heat engine
US-2023031511-A1 · Feb 2, 2023 · US
Rotating body, turbocharger, and rotating body manufacturing method
US-11530706-B2 · Dec 20, 2022 · US
Aircraft power plant with supercritical CO2 heat engine
US-11485504-B2 · Nov 1, 2022 · US
Turbofan engine assembly with intercooler
US-11401890-B2 · Aug 2, 2022 · US
Aircraft power plant with supercritical co2 heat engine
US-2022127009-A1 · Apr 28, 2022 · US
Micro-auxiliary power units
US-11273927-B2 · Mar 15, 2022 · US
Turbomachine assembly
US-11220961-B2 · Jan 11, 2022 · US
Turbofan engine assembly with intercooler
US-2020217248-A1 · Jul 9, 2020 · US
Turbomachine assembly
US-2020141329-A1 · May 7, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02C5/06?
- CPC F02C5/06 is the Cooperative Patent Classification code for “the working fluid being generated in an internal-combustion gas generated of the positive-displacement type having essentially no mechanical power output (internal-combustion engines with prolonged expansion using exhaust gas turbines F02B).”
- How many patents are filed under CPC F02C5/06 (the working fluid being generated in an internal-combustion gas generated of the positive-displacement type having essentially no mechanical power output (internal-combustion engines with prolonged expansion using exhaust gas turbines F02B))?
- Our database includes 29 publications tagged with this CPC code.
- Is patent activity under CPC F02C5/06 growing?
- Publication counts under this code: 4 in 2024 vs 1 in 2025 (latest complete years).