Semi-levered shrink landing gear
US-2020398974-A1 · Dec 24, 2020 · US
fore-and-aft
fore-and-aft · 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 | B64C25/14 |
| Official title | fore-and-aft |
| Display label | fore-and-aft |
| Total patents | 159 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 13 |
| 2017 | 9 |
| 2018 | 6 |
| 2019 | 14 |
| 2020 | 19 |
| 2021 | 19 |
| 2022 | 23 |
| 2023 | 16 |
| 2024 | 21 |
| 2025 | 12 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Aircraft with engine assembly mounted to wheel well
US-10870493-B2 · Dec 22, 2020 · US
Landing gear systems for aircraft employing a cross tube
US-10850834-B2 · Dec 1, 2020 · US
Pivoting main landing gear for cargo aircraft
US-2020354044-A1 · Nov 12, 2020 · US
Aircraft wing
US-2020324871-A1 · Oct 15, 2020 · US
Semi-levered shrink landing gear
US-10800516-B2 · Oct 13, 2020 · US
Configuration of landing gear assemblies for an aircraft
US-2020298816-A1 · Sep 24, 2020 · US
Aircraft landing gear monitoring systems and methods
US-2020262588-A1 · Aug 20, 2020 · US
Versatile multirotor aerial vehicles
US-10696392-B1 · Jun 30, 2020 · US
Aircraft landing gear having a lever assembly, aircraft including the same, and related methods
US-2020198773-A1 · Jun 25, 2020 · US
Unmanned aerial vehicle and undercarriage
US-2020148338-A1 · May 14, 2020 · US
Aircraft landing gear assembly
US-2020094950-A1 · Mar 26, 2020 · US
Aircraft landing gear having a lever assembly, aircraft including the same, and related methods
US-10597146-B2 · Mar 24, 2020 · US
Aircraft steering
US-10569864-B2 · Feb 25, 2020 · US
Landing gear arrangement with passive shock strut shrink actuator
US-10486802-B2 · Nov 26, 2019 · US
Aircraft undercarriage with a rotary drive actuator
US-10479486-B2 · Nov 19, 2019 · US
Versatile multirotor aerial vehicles
US-10450062-B1 · Oct 22, 2019 · US
Structural assembly for an aircraft fuselage with double curvature including frames with an optimized orientation
US-10427773-B2 · Oct 1, 2019 · US
Torque link apex quick release locking mechanism
US-2019291854-A1 · Sep 26, 2019 · US
Aircraft with engine assembly mounted to wheel well
US-2019256214-A1 · Aug 22, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64C25/14?
- CPC B64C25/14 is the Cooperative Patent Classification code for “fore-and-aft.”
- How many patents are filed under CPC B64C25/14 (fore-and-aft)?
- Our database includes 159 publications tagged with this CPC code.
- Is patent activity under CPC B64C25/14 growing?
- Publication counts under this code: 21 in 2024 vs 12 in 2025 (latest complete years).