Aircraft propulsion system with intermittent combustion engine(s)
US-2024017841-A1 · Jan 18, 2024 · US
within, or attached to, fuselages
within, or attached to, fuselages · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B64D27/08 |
| Official title | within, or attached to, fuselages |
| Display label | within, or attached to, fuselages |
| Total patents | 75 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 10 |
| 2020 | 13 |
| 2021 | 15 |
| 2022 | 6 |
| 2023 | 11 |
| 2024 | 9 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Long range endurance aero platform system
US-11851178-B2 · Dec 26, 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
Hybrid aircraft propulsion power plants
US-11827368-B2 · Nov 28, 2023 · US
Aircraft
US-11780598-B2 · Oct 10, 2023 · US
Air Mobility Vehicle
US-2023020198-A1 · Jan 19, 2023 · US
Aircraft of a modular type, and a method of preparing such an aircraft for a specific mission
US-11485469-B2 · Nov 1, 2022 · US
Hybrid aircraft propulsion power plants
US-11485503-B2 · Nov 1, 2022 · US
Aircraft
US-2022306304-A1 · Sep 29, 2022 · US
Hybrid aircraft propulsion power plants
US-2022119119-A1 · Apr 21, 2022 · US
Air Mobility Vehicle
US-2022119100-A1 · Apr 21, 2022 · US
Torque-slewing diesel engine operation
US-11261821-B2 · Mar 1, 2022 · US
Hybrid aircraft propulsion power plants
US-11186378-B2 · Nov 30, 2021 · US
Vertical takeoff and landing aircraft
US-2021339879-A1 · Nov 4, 2021 · US
Vertical takeoff and landing aircraft
US-11124308-B2 · Sep 21, 2021 · US
Vertical takeoff and landing aircraft having a diffusion assembly for lift fan(s)
US-11124307-B2 · Sep 21, 2021 · US
Vertical takeoff and landing aircraft
US-11124306-B2 · Sep 21, 2021 · US
Vertical takeoff and landing aircraft
US-11117675-B2 · Sep 14, 2021 · US
Vertical takeoff and landing aircraft
US-11117676-B2 · Sep 14, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64D27/08?
- CPC B64D27/08 is the Cooperative Patent Classification code for “within, or attached to, fuselages.”
- How many patents are filed under CPC B64D27/08 (within, or attached to, fuselages)?
- Our database includes 75 publications tagged with this CPC code.
- Is patent activity under CPC B64D27/08 growing?
- Publication counts under this code: 9 in 2024 vs 2 in 2025 (latest complete years).