Pitch change mechanism for a fan of a gas turbine engine
US-2026078680-A1 · Mar 19, 2026 · US
non-automatic
non-automatic · 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 | B64C11/36 |
| Official title | non-automatic |
| Display label | non-automatic |
| Total patents | 26 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 5 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 5 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pitch change mechanism for a fan of a gas turbine engine
US-12497902-B2 · Dec 16, 2025 · US
Variable pitch fan of a gas turbine engine
US-12110903-B2 · Oct 8, 2024 · US
Pitch change mechanism for a fan of a gas turbine engine
US-2024271539-A1 · Aug 15, 2024 · US
Variable pitch fan of a gas turbine engine
US-2024151240-A1 · May 9, 2024 · US
Pitch change mechanism for a fan of a gas turbine engine
US-11970956-B2 · Apr 30, 2024 · US
Pitch change mechanism for a fan of a gas turbine engine
US-2024068373-A1 · Feb 29, 2024 · US
Blade pitch actuation mechanism
US-11667374-B2 · Jun 6, 2023 · US
Blade pivot of adjustable orientation and of reduced bulk for a turbomachine fan hub
US-11572889-B2 · Feb 7, 2023 · US
Blade pivot of adjustable orientation and of reduced bulk for a turbomachine fan hub
US-2022018357-A1 · Jan 20, 2022 · US
Blade pitch actuation mechanism
US-2021284324-A1 · Sep 16, 2021 · US
Variable pitch mechanisms for propeller blades using a compound gearbox
US-11021234-B1 · Jun 1, 2021 · US
Pitch-change system equipped with means for adjusting blade pitch and corresponding turbine engine
US-10766603-B2 · Sep 8, 2020 · US
Adaptive flight control system for the yaw and thrust flight controls of a hybrid helicopter
US-10507905-B2 · Dec 17, 2019 · US
Propeller pitch control system
US-10494084-B2 · Dec 3, 2019 · US
Blade pitch control
US-10494085-B2 · Dec 3, 2019 · US
Lever arm device for controlling the pitch of fan blades of a turbine engine having an unducted fan
US-10443609-B2 · Oct 15, 2019 · US
Variable-pitch vane
US-10415404-B2 · Sep 17, 2019 · US
Pitch-change system equipped with means for adjusting blade pitch and corresponding turbine engine
US-2018043989-A1 · Feb 15, 2018 · US
Lever arm device for controlling the pitch of fan blades of a turbine engine having an unducted fan
US-2017343008-A1 · Nov 30, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64C11/36?
- CPC B64C11/36 is the Cooperative Patent Classification code for “non-automatic.”
- How many patents are filed under CPC B64C11/36 (non-automatic)?
- Our database includes 26 publications tagged with this CPC code.
- Is patent activity under CPC B64C11/36 growing?
- Publication counts under this code: 5 in 2024 vs 1 in 2025 (latest complete years).