Variable pitch fans for turbomachinery engines
US-11454195-B2 · Sep 27, 2022 · US
using reversing fan blades
using reversing fan blades · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F02K1/66 |
| Official title | using reversing fan blades |
| Display label | using reversing fan blades |
| Total patents | 119 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 7 |
| 2017 | 6 |
| 2018 | 8 |
| 2019 | 9 |
| 2020 | 7 |
| 2021 | 16 |
| 2022 | 14 |
| 2023 | 18 |
| 2024 | 15 |
| 2025 | 12 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for using an air input of a turboreactor nacelle comprising an air input lip which comprises a portion which can be moved to promote a thrust inversion phase
US-2022170429-A1 · Jun 2, 2022 · US
Gas turbine engine with variable pitch fan and variable pitch compressor geometry
US-11286865-B2 · Mar 29, 2022 · US
Brake systems for aircraft and related methods
US-11155343-B2 · Oct 26, 2021 · US
Aircraft comprising two contra-rotating fans to the rear of the fuselage, with spacing of the blades of the downstream fan
US-11125186-B2 · Sep 21, 2021 · US
Method and system for a stowable bell-mouth scoop
US-11078870-B2 · Aug 3, 2021 · US
Gas turbine engine with clutch assembly
US-2021222628-A1 · Jul 22, 2021 · US
Fuselage shield for an aircraft with an unducted engine
US-2021221491-A1 · Jul 22, 2021 · US
Gas turbine engine outlet guide vane assembly
US-2021222575-A1 · Jul 22, 2021 · US
Fan cowl with a serrated trailing edge providing attached flow in reverse thrust mode
US-11053888-B2 · Jul 6, 2021 · US
Bellmouth nozzle assembly for a gas turbine engine
US-11047336-B2 · Jun 29, 2021 · US
System and method for control for unducted engine
US-2021108576-A1 · Apr 15, 2021 · US
Unducted single rotor engine
US-2021108523-A1 · Apr 15, 2021 · US
Unducted single rotor engine and method for operation
US-2021108595-A1 · Apr 15, 2021 · US
Mount for an airfoil
US-2021108518-A1 · Apr 15, 2021 · US
Gas turbine engine with clutch assembly
US-2021108569-A1 · Apr 15, 2021 · US
Advance ratio for single unducted rotor engine
US-2021108572-A1 · Apr 15, 2021 · US
System and method for control for unducted engine
US-2021108575-A1 · Apr 15, 2021 · US
Fan module with variable pitch blades
US-10899432-B2 · Jan 26, 2021 · US
Method and system for limiting power of an engine
US-10823113-B2 · Nov 3, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02K1/66?
- CPC F02K1/66 is the Cooperative Patent Classification code for “using reversing fan blades.”
- How many patents are filed under CPC F02K1/66 (using reversing fan blades)?
- Our database includes 119 publications tagged with this CPC code.
- Is patent activity under CPC F02K1/66 growing?
- Publication counts under this code: 15 in 2024 vs 12 in 2025 (latest complete years).