Rotor blade control horn arrangements
US-10486805-B2 · Nov 26, 2019 · US
in association with pitch adjustment of blades of anti-torque rotor
in association with pitch adjustment of blades of anti-torque rotor · 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 | B64C27/78 |
| Official title | in association with pitch adjustment of blades of anti-torque rotor |
| Display label | in association with pitch adjustment of blades of anti-torque rotor |
| Total patents | 171 |
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 | 5 |
| 2016 | 3 |
| 2017 | 40 |
| 2018 | 7 |
| 2019 | 16 |
| 2020 | 22 |
| 2021 | 31 |
| 2022 | 20 |
| 2023 | 13 |
| 2024 | 9 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System and method for tail rotor margin awareness
US-10315779-B2 · Jun 11, 2019 · US
Rotorcraft and associated rotor blade position monitoring system and method
US-10287007-B2 · May 14, 2019 · US
Rotor for a hover-capable aircraft and method for detecting the attitude of a blade with respect to a hub of such a rotor
US-2019112038-A1 · Apr 18, 2019 · US
Helicopter anti-torque rotor
US-10207800-B2 · Feb 19, 2019 · US
Linear sensor feel module for aircraft controls
US-2018339763-A1 · Nov 29, 2018 · US
Pitch control device for a ducted tail rotor of a rotorcraft
US-2018244368-A1 · Aug 30, 2018 · US
Aircraft with speed or acceleration command
US-2018231986-A1 · Aug 16, 2018 · US
Teetering Rotor Hub System
US-2018194462-A1 · Jul 12, 2018 · US
Axial Springs for Rotor Hub Assembly
US-2018141650-A1 · May 24, 2018 · US
System for controlling a rotorcraft rotor, a rotorcraft fitted with such a system, and an associated control method
US-9963225-B2 · May 8, 2018 · US
Rotor blade control horn arrangements
US-2018105264-A1 · Apr 19, 2018 · US
Elevator and rudder control of a rotorcraft
US-2017349275-A1 · Dec 7, 2017 · US
Independent hydraulic control system for rotorcraft secondary rotor
US-9815553-B2 · Nov 14, 2017 · US
Aircraft and method of orienting an airframe of an aircraft
US-2017308101-A1 · Oct 26, 2017 · US
Noise modes for rotary wing aircraft
US-2017305540-A1 · Oct 26, 2017 · US
Rotorcraft footprint
US-2017305539-A1 · Oct 26, 2017 · US
Turn radius and bank angle for rotary wing aircraft
US-2017305544-A1 · Oct 26, 2017 · US
Rotorcraft systems to reduce pilot workload
US-2017305534-A1 · Oct 26, 2017 · US
Sealed hub and shaft fairing for rotary wing aircraft
US-2017305543-A1 · Oct 26, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64C27/78?
- CPC B64C27/78 is the Cooperative Patent Classification code for “in association with pitch adjustment of blades of anti-torque rotor.”
- How many patents are filed under CPC B64C27/78 (in association with pitch adjustment of blades of anti-torque rotor)?
- Our database includes 171 publications tagged with this CPC code.
- Is patent activity under CPC B64C27/78 growing?
- Publication counts under this code: 9 in 2024 vs 4 in 2025 (latest complete years).