Collapsible pylons for drone aircraft
US-2021403141-A1 · Dec 30, 2021 · US
collapsing or retracting against or within other surfaces or other members
collapsing or retracting against or within other surfaces or other members · 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 | B64C9/34 |
| Official title | collapsing or retracting against or within other surfaces or other members |
| Display label | collapsing or retracting against or within other surfaces or other members |
| Total patents | 159 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 6 |
| 2017 | 5 |
| 2018 | 5 |
| 2019 | 15 |
| 2020 | 22 |
| 2021 | 23 |
| 2022 | 11 |
| 2023 | 18 |
| 2024 | 23 |
| 2025 | 22 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Variable camber system
US-11174003-B2 · Nov 16, 2021 · US
Wing for an aircraft
US-2020398969-A1 · Dec 24, 2020 · US
Wing of aircraft and aircraft
US-2020385101-A1 · Dec 10, 2020 · US
Flap interconnect for deflection control
US-2020377194-A1 · Dec 3, 2020 · US
Lifting surface of an aircraft for increasing the generated lift force
US-10850832-B2 · Dec 1, 2020 · US
Method and Apparatus for Remote Angle Calibration and Measurement
US-2020361592-A1 · Nov 19, 2020 · US
Distributed trailing edge wing flap systems
US-10829203-B2 · Nov 10, 2020 · US
Shutter door mechanism for wing leading edge slat cut-outs
US-2020307760-A1 · Oct 1, 2020 · US
Elevon control system
US-2020307763-A1 · Oct 1, 2020 · US
Slat for an aircraft wing
US-2020290724-A1 · Sep 17, 2020 · US
Air flow channeling yaw control device
US-10773792-B2 · Sep 15, 2020 · US
Articulation assemblies for retracting aircraft flap support fairings and related methods
US-10766600-B2 · Sep 8, 2020 · US
Elevon control system
US-10696375-B2 · Jun 30, 2020 · US
Countermeasure dispenser with variable spoiler and method for launching a countermeasure
US-10696401-B2 · Jun 30, 2020 · US
Integrated slat chine apparatus and methods
US-2020198760-A1 · Jun 25, 2020 · US
Elevon control system
US-2020198761-A1 · Jun 25, 2020 · US
Aircraft flap deployment system
US-2020198768-A1 · Jun 25, 2020 · US
Brake systems for aircraft and related methods
US-2020189725-A1 · Jun 18, 2020 · US
Linkage assemblies for aircraft wing hinged panels
US-2020140061-A1 · May 7, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64C9/34?
- CPC B64C9/34 is the Cooperative Patent Classification code for “collapsing or retracting against or within other surfaces or other members.”
- How many patents are filed under CPC B64C9/34 (collapsing or retracting against or within other surfaces or other members)?
- Our database includes 159 publications tagged with this CPC code.
- Is patent activity under CPC B64C9/34 growing?
- Publication counts under this code: 23 in 2024 vs 22 in 2025 (latest complete years).