Hybrid-electric propulsion system for an aircraft
US-2018357840-A1 · Dec 13, 2018 · US
of series type
of series type · 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 | B64D35/024 |
| Official title | of series type |
| Display label | of series type |
| Total patents | 346 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 13 |
| 2017 | 15 |
| 2018 | 29 |
| 2019 | 29 |
| 2020 | 56 |
| 2021 | 34 |
| 2022 | 38 |
| 2023 | 43 |
| 2024 | 48 |
| 2025 | 33 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hybrid-electric propulsion system for an aircraft
US-2018354631-A1 · Dec 13, 2018 · US
Propulsion system for an aircraft
US-2018354632-A1 · Dec 13, 2018 · US
Rotor systems for rotorcraft
US-10150567-B2 · Dec 11, 2018 · US
Propulsion system for an aircraft
US-2018339780-A1 · Nov 29, 2018 · US
Propulsion system for an aircraft
US-2018334258-A1 · Nov 22, 2018 · US
Aircraft electrical network
US-10131441-B2 · Nov 20, 2018 · US
Helicopter with Wing Augmented Lift
US-2018281936-A1 · Oct 4, 2018 · US
Variable speed ac bus powered tail cone boundary layer ingestion thruster
US-2018265206-A1 · Sep 20, 2018 · US
Distributed propulsion system power unit control
US-2018251228-A1 · Sep 6, 2018 · US
Hybrid propulsion drive train system for tiltrotor aircraft
US-2018251226-A1 · Sep 6, 2018 · US
System for redundant supply of kinetic energy to drive system of aircraft
US-2018201384-A1 · Jul 19, 2018 · US
Propeller drives and vehicles
US-2018201383-A1 · Jul 19, 2018 · US
Aircraft and method of fitting out such an aircraft
US-10017264-B2 · Jul 10, 2018 · US
Electric direct drive for aircraft propulsion and lift
US-2018170190-A1 · Jun 21, 2018 · US
Hybrid-electric drive system
US-2018163558-A1 · Jun 14, 2018 · US
Variable pitch for coordinated control
US-2018155040-A1 · Jun 7, 2018 · US
Cross flow fan for wide aircraft fuselage
US-2018155045-A1 · Jun 7, 2018 · US
Gas turbine engine with multiple electric generators
US-9991763-B1 · Jun 5, 2018 · US
Electric direct drive for aircraft propulsion and lift
US-9937803-B2 · Apr 10, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64D35/024?
- CPC B64D35/024 is the Cooperative Patent Classification code for “of series type.”
- How many patents are filed under CPC B64D35/024 (of series type)?
- Our database includes 346 publications tagged with this CPC code.
- Is patent activity under CPC B64D35/024 growing?
- Publication counts under this code: 48 in 2024 vs 33 in 2025 (latest complete years).