Air vehicle
US-2025376258-A1 · Dec 11, 2025 · US
including flaps mounted on blades
including flaps mounted on blades · 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 | B64C27/615 |
| Official title | including flaps mounted on blades |
| Display label | including flaps mounted on blades |
| Total patents | 50 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 13 |
| 2017 | 5 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 4 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Actuator mechanism
US-12201027-B2 · Jan 14, 2025 · US
Rotor blade using adaptive trailing edge assembly
US-12116118-B2 · Oct 15, 2024 · US
An actuator mechanism
US-2023309408-A1 · Sep 28, 2023 · US
Rotor blade using adaptive trailing edge assembly
US-2023303241-A1 · Sep 28, 2023 · US
Flap drive device and blades of rotary-wing aircraft
US-11667378-B2 · Jun 6, 2023 · US
Flap drive device and blades of rotary-wing aircraft
US-2022024570-A1 · Jan 27, 2022 · US
Lubricant level sensing for an actuator
US-11174988-B2 · Nov 16, 2021 · US
Control system for a stopped rotor aircraft
US-11059575-B2 · Jul 13, 2021 · US
Rotorcraft flapping lock
US-11014659-B2 · May 25, 2021 · US
Lubricant level sensing for an actuator
US-2020278082-A1 · Sep 3, 2020 · US
Lubricant level sensing for an actuator
US-10571074-B2 · Feb 25, 2020 · US
Rotorcraft Flapping Lock
US-2020055593-A1 · Feb 20, 2020 · US
Main rotor trim tab retention system, an aircraft employing same and a method of replacing a trim tab assembly from blade housing
US-10562619-B2 · Feb 18, 2020 · US
Control system for a stopped rotor aircraft
US-2019233094-A1 · Aug 1, 2019 · US
Actuator for use in a rotor blade
US-10309225-B2 · Jun 4, 2019 · US
Control system for a stopped rotor aircraft
US-10293927-B1 · May 21, 2019 · US
Rotorcraft flapping lock
US-10029783-B2 · Jul 24, 2018 · US
Control system for a stopped rotor aircraft
US-9975629-B2 · May 22, 2018 · US
Actuation system for an active element in a rotor blade
US-9938006-B2 · Apr 10, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64C27/615?
- CPC B64C27/615 is the Cooperative Patent Classification code for “including flaps mounted on blades.”
- How many patents are filed under CPC B64C27/615 (including flaps mounted on blades)?
- Our database includes 50 publications tagged with this CPC code.
- Is patent activity under CPC B64C27/615 growing?
- Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).