Rotor blade control horn arrangements
US-10486805-B2 · Nov 26, 2019 · US
mechanical
mechanical · 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 | B64C27/59 |
| Official title | mechanical |
| Display label | mechanical |
| Total patents | 180 |
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 | 7 |
| 2016 | 13 |
| 2017 | 13 |
| 2018 | 18 |
| 2019 | 22 |
| 2020 | 22 |
| 2021 | 25 |
| 2022 | 22 |
| 2023 | 15 |
| 2024 | 15 |
| 2025 | 6 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cooling system for rotor blade actuators
US-10371455-B2 · Aug 6, 2019 · US
Invertible aircraft
US-10329025-B2 · Jun 25, 2019 · US
Flying device
US-2019176979-A1 · Jun 13, 2019 · US
Low moment rotor hub
US-2019061926-A1 · Feb 28, 2019 · US
Helicopter anti-torque rotor
US-10207800-B2 · Feb 19, 2019 · US
Propeller Arrangement For An Aircraft
US-2019031318-A1 · Jan 31, 2019 · US
Tilting coaxial rotor for a rotary wing aircraft
US-2019023383-A1 · Jan 24, 2019 · US
Cooling system for rotor blade actuators
US-2019017750-A1 · Jan 17, 2019 · US
Rotorcraft autopilot system, components and methods
US-2018346110-A1 · Dec 6, 2018 · US
Aircraft with Active Aerosurfaces
US-2018339771-A1 · Nov 29, 2018 · US
Rotor Assembly having Collective Pitch Control
US-2018339769-A1 · Nov 29, 2018 · US
Emergency collective actuator and method for a helicopter
US-10099781-B2 · Oct 16, 2018 · US
Rotor assembly apparatus
US-2018257766-A1 · Sep 13, 2018 · US
Dual-input mechanical bypass linkage apparatus and methods
US-2018244379-A1 · Aug 30, 2018 · US
De-rotation system for a shaft fairing
US-10053207-B2 · Aug 21, 2018 · US
Advanced emergency collective actuator with friction pull-off and method for a helicopter
US-2018208303-A1 · Jul 26, 2018 · US
Teetering Rotor Hub System
US-2018194462-A1 · Jul 12, 2018 · US
Rotor assembly apparatus
US-9994310-B2 · Jun 12, 2018 · US
Tilt-prop aircraft
US-2018155019-A1 · Jun 7, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64C27/59?
- CPC B64C27/59 is the Cooperative Patent Classification code for “mechanical.”
- How many patents are filed under CPC B64C27/59 (mechanical)?
- Our database includes 180 publications tagged with this CPC code.
- Is patent activity under CPC B64C27/59 growing?
- Publication counts under this code: 15 in 2024 vs 6 in 2025 (latest complete years).