Passenger door with deployable lower step
US-11186353-B2 · Nov 30, 2021 · US
Steps mounted on, and retractable within, fuselages
Steps mounted on, and retractable within, fuselages · 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 | B64C1/24 |
| Official title | Steps mounted on, and retractable within, fuselages |
| Display label | Steps mounted on, and retractable within, fuselages |
| Total patents | 89 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 3 |
| 2017 | 9 |
| 2018 | 12 |
| 2019 | 10 |
| 2020 | 15 |
| 2021 | 5 |
| 2022 | 7 |
| 2023 | 12 |
| 2024 | 3 |
| 2025 | 5 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Vehicle with at least one emergency exit system
US-2021229794-A1 · Jul 29, 2021 · US
Multirotor joined-wing aircraft with VTOL capabilities
US-10981650-B2 · Apr 20, 2021 · US
Vehicle with a foldable fairing integrated footstep unit
US-10919613-B2 · Feb 16, 2021 · US
Fairing edge handhold
US-10882602-B2 · Jan 5, 2021 · US
Aircraft air stair support
US-10807693-B2 · Oct 20, 2020 · US
Rotating retractable step system
US-10807696-B2 · Oct 20, 2020 · US
Door latch arrangement
US-2020317320-A1 · Oct 8, 2020 · US
Air inlet with integrated structural hand hold
US-10766628-B2 · Sep 8, 2020 · US
Multirotor joined-wing aircraft with vtol capabilities
US-2020269980-A1 · Aug 27, 2020 · US
Step handhold and support
US-10745106-B2 · Aug 18, 2020 · US
Aircraft air stair support
US-2020216159-A1 · Jul 9, 2020 · US
Fully faired landing gear with integrated step
US-2020216170-A1 · Jul 9, 2020 · US
Entry handle for an aircraft doorway
US-10689089-B2 · Jun 23, 2020 · US
System for operating an aircraft door
US-2020181956-A1 · Jun 11, 2020 · US
Airstair system with deployable upper step
US-2020172246-A1 · Jun 4, 2020 · US
Passenger door with deployable lower step
US-2020164956-A1 · May 28, 2020 · US
Cable-free and strut-free fairing for supporting a person
US-10661880-B2 · May 26, 2020 · US
Rotating Retractable Step System
US-2020122817-A1 · Apr 23, 2020 · US
Redundant layer for inflatable evacuation component
US-10549861-B2 · Feb 4, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64C1/24?
- CPC B64C1/24 is the Cooperative Patent Classification code for “Steps mounted on, and retractable within, fuselages.”
- How many patents are filed under CPC B64C1/24 (Steps mounted on, and retractable within, fuselages)?
- Our database includes 89 publications tagged with this CPC code.
- Is patent activity under CPC B64C1/24 growing?
- Publication counts under this code: 3 in 2024 vs 5 in 2025 (latest complete years).