Electric distributed propulsion anti-torque redundant power and control system
US-2017349276-A1 · Dec 7, 2017 · US
including pusher propellers
including pusher propellers · 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 | B64C2027/8236 |
| Official title | {including pusher propellers} |
| Display label | including pusher propellers |
| Total patents | 291 |
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 | 10 |
| 2016 | 13 |
| 2017 | 64 |
| 2018 | 31 |
| 2019 | 39 |
| 2020 | 45 |
| 2021 | 27 |
| 2022 | 21 |
| 2023 | 19 |
| 2024 | 12 |
| 2025 | 7 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Elevator and rudder control of a rotorcraft
US-2017349275-A1 · Dec 7, 2017 · US
Rotor head for prop-rotor
US-2017341733-A1 · Nov 30, 2017 · US
Control system for a stopped rotor aircraft
US-2017341741-A1 · Nov 30, 2017 · US
Directional stiffness bearing sleeve assembly for rotor systems
US-2017327215-A1 · Nov 16, 2017 · US
Flight control system for a rotary wing aircraft
US-2017315563-A1 · Nov 2, 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
Aircraft main rotor drag to airframe drag
US-2017297696-A1 · Oct 19, 2017 · US
Rotor speed management
US-2017297694-A1 · Oct 19, 2017 · US
Hub separation in dual rotor rotary wing aircraft
US-2017297690-A1 · Oct 19, 2017 · US
Propeller diverter duct
US-2017291689-A1 · Oct 12, 2017 · US
Dual rotor, rotary wing aircraft
US-2017291699-A1 · Oct 12, 2017 · US
Main rotor rotational speed control for rotorcraft
US-2017283047-A1 · Oct 5, 2017 · US
Differential pre-cone rotary wing arrangement and aircraft
US-2017283049-A1 · Oct 5, 2017 · US
Dual rotor, rotary wing aircraft
US-2017274994-A1 · Sep 28, 2017 · US
Nose attitude control of a rotary wing aircraft
US-2017277201-A1 · Sep 28, 2017 · US
Single collective stick for a rotary wing aircraft
US-2017274987-A1 · Sep 28, 2017 · US
Rotor hover figure of merit for rotary wing aircraft
US-2017274990-A1 · Sep 28, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64C2027/8236?
- CPC B64C2027/8236 is the Cooperative Patent Classification code for “including pusher propellers.”
- How many patents are filed under CPC B64C2027/8236 (including pusher propellers)?
- Our database includes 291 publications tagged with this CPC code.
- Is patent activity under CPC B64C2027/8236 growing?
- Publication counts under this code: 12 in 2024 vs 7 in 2025 (latest complete years).