Aircraft with an unducted fan propulsor
US-2026035081-A1 · Feb 5, 2026 · US
Blades
Blades · 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 | B64C11/16 |
| Official title | Blades |
| Display label | Blades |
| Total patents | 53 |
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 |
| 2016 | 3 |
| 2017 | 1 |
| 2018 | 4 |
| 2019 | 6 |
| 2020 | 5 |
| 2021 | 7 |
| 2022 | 5 |
| 2023 | 11 |
| 2024 | 7 |
| 2025 | 1 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Propeller for an aircraft propulsion assembly, propulsion assembly, and method for the use of such a propulsion assembly
US-12534185-B2 · Jan 27, 2026 · US
System and method for contouring edges of airfoils
US-2025058415-A1 · Feb 20, 2025 · US
System and method for contouring edges of airfoils
US-12162109-B2 · Dec 10, 2024 · US
Unducted fan having variable pitch blades comprising reduced disturbance platforms
US-12091156-B2 · Sep 17, 2024 · US
Multi-mode microwave waveguide blade sensing system
US-12050152-B2 · Jul 30, 2024 · US
Propeller for an aircraft propulsion assembly, propulsion assembly, and method for the use of such a propulsion assembly
US-2024228018-A1 · Jul 11, 2024 · US
Negative Poisson's ratio materials for propellers and turbines
US-11952090-B2 · Apr 9, 2024 · US
Thrust generating device
US-2024067328-A1 · Feb 29, 2024 · US
Negative poisson's ratio materials for propellers and turbines
US-2024025526-A1 · Jan 25, 2024 · US
System and method for contouring edges of airfoils
US-2023381901-A1 · Nov 30, 2023 · US
Unducted fan having variable pitch blades comprising reduced disturbance platforms
US-2023348042-A1 · Nov 2, 2023 · US
Integrated electric propulsion unit
US-11794913-B2 · Oct 24, 2023 · US
Method of manufacturing an assembly fixture and a composite product
US-11738493-B2 · Aug 29, 2023 · US
Health monitoring based on blade tip trajectory
US-11686213-B2 · Jun 27, 2023 · US
Rotatable aerofoil component with z-pins
US-2023184116-A1 · Jun 15, 2023 · US
Composite fan blades with integral attachment mechanism
US-11644046-B2 · May 9, 2023 · US
Multi-mode microwave waveguide blade sensing system
US-11619567-B2 · Apr 4, 2023 · US
Negative Poisson's ratio materials for propellers and turbines
US-11608158-B1 · Mar 21, 2023 · US
Propeller blade arrangement
US-11577820-B2 · Feb 14, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64C11/16?
- CPC B64C11/16 is the Cooperative Patent Classification code for “Blades.”
- How many patents are filed under CPC B64C11/16 (Blades)?
- Our database includes 53 publications tagged with this CPC code.
- Is patent activity under CPC B64C11/16 growing?
- Publication counts under this code: 7 in 2024 vs 1 in 2025 (latest complete years).