Fan assembly for a gas turbine engine
US-2026071634-A1 · Mar 12, 2026 · US
actuated by the centrifugal force or the aerodynamic drag acting on auxiliary masses or surfaces
actuated by the centrifugal force or the aerodynamic drag acting on auxiliary masses or surfaces · 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 | B64C11/346 |
| Official title | {actuated by the centrifugal force or the aerodynamic drag acting on auxiliary masses or surfaces} |
| Display label | actuated by the centrifugal force or the aerodynamic drag acting on auxiliary masses or surfaces |
| Total patents | 40 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 7 |
| 2017 | 3 |
| 2018 | 5 |
| 2020 | 4 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 5 |
| 2024 | 5 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fan assembly for a gas turbine engine
US-12492708-B1 · Dec 9, 2025 · US
Fan module having variable-pitch blades
US-12428966-B2 · Sep 30, 2025 · US
Propeller assembly
US-2025289562-A1 · Sep 18, 2025 · US
Propeller for a turbine engine of an aircraft with a variable-pitch vane and a geared counterweight device
US-12415597-B2 · Sep 16, 2025 · US
Passive rotor pitch control system
US-12162585-B2 · Dec 10, 2024 · US
Fan module having variable-pitch blades
US-2024337195-A1 · Oct 10, 2024 · US
Propeller for a turbine engine of an aircraft with a variable-pitch vane and a geared counterweight device
US-2024317385-A1 · Sep 26, 2024 · US
Passive rotor pitch control system
US-2024308646-A1 · Sep 19, 2024 · US
Propeller speed overshoot preventing logic
US-11964750-B2 · Apr 23, 2024 · US
Variable pitch fan assembly with remote counterweights
US-11851158-B2 · Dec 26, 2023 · US
Levered counterweight feathering system
US-11795964-B2 · Oct 24, 2023 · US
Low latency pitch adjustable rotors
US-11649037-B2 · May 16, 2023 · US
Variable pitch fan assembly with remote counterweights
US-2023085208-A1 · Mar 16, 2023 · US
Levered counterweight feathering system
US-2023021280-A1 · Jan 19, 2023 · US
Variable pitch fan assembly with remote counterweights
US-11505306-B2 · Nov 22, 2022 · US
Variable pitch fan assembly with remote counterweights
US-2022316348-A1 · Oct 6, 2022 · US
Continuous variable pitch rotor system
US-2021380221-A1 · Dec 9, 2021 · US
Propeller counterweight
US-10953978-B2 · Mar 23, 2021 · US
Low latency pitch adjustable rotors
US-2020331585-A1 · Oct 22, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64C11/346?
- CPC B64C11/346 is the Cooperative Patent Classification code for “actuated by the centrifugal force or the aerodynamic drag acting on auxiliary masses or surfaces.”
- How many patents are filed under CPC B64C11/346 (actuated by the centrifugal force or the aerodynamic drag acting on auxiliary masses or surfaces)?
- Our database includes 40 publications tagged with this CPC code.
- Is patent activity under CPC B64C11/346 growing?
- Publication counts under this code: 5 in 2024 vs 4 in 2025 (latest complete years).