Landing gear drive system
US-11524771-B2 · Dec 13, 2022 · US
the elements being rotated before touch-down
the elements being rotated before touch-down · 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 | B64C25/40 |
| Official title | the elements being rotated before touch-down |
| Display label | the elements being rotated before touch-down |
| Total patents | 69 |
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 | 5 |
| 2016 | 5 |
| 2017 | 10 |
| 2018 | 6 |
| 2019 | 13 |
| 2020 | 10 |
| 2021 | 7 |
| 2022 | 5 |
| 2023 | 6 |
| 2024 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Drive system for rotating a wheel of a landing gear having a transmission error measurement apparatus
US-11514728-B2 · Nov 29, 2022 · US
Flexible coupler for feeder shaft of combine harvester
US-2022354058-A1 · Nov 10, 2022 · US
Roller gear for a drive system
US-11407501-B2 · Aug 9, 2022 · US
Aircraft landing gear and pitch trimmer assembly
US-11155346-B2 · Oct 26, 2021 · US
Electric nose landing gear architecture
US-11066153-B2 · Jul 20, 2021 · US
Drive system for aircraft landing gear
US-11066154-B2 · Jul 20, 2021 · US
Aircraft landing gear assemblies, aircraft including the landing gear assemblies, and methods of deploying the landing gear assemblies
US-11034437-B2 · Jun 15, 2021 · US
VTOL aircraft
US-11021245-B2 · Jun 1, 2021 · US
Pitch trimmer
US-11014654-B2 · May 25, 2021 · US
Electric nose landing gear architecture
US-2021086891-A1 · Mar 25, 2021 · US
Aircraft landing gear assemblies, aircraft including the landing gear assemblies, and methods of deploying the landing gear assemblies
US-2020369381-A1 · Nov 26, 2020 · US
Fuselage and unmanned aerial vehicle thereof
US-2020346777-A1 · Nov 5, 2020 · US
Drive system for aircraft landing gear
US-10780978-B2 · Sep 22, 2020 · US
Roller gear for a drive system
US-2020239129-A1 · Jul 30, 2020 · US
Aircraft landing gear and pitch trimmer assembly
US-2020198774-A1 · Jun 25, 2020 · US
Electromechanical actuator disconnect
US-2020164969-A1 · May 28, 2020 · US
Electromechanical actuator disconnect
US-10583917-B2 · Mar 10, 2020 · US
Non-contact radial synchronization
US-2020023745-A1 · Jan 23, 2020 · US
Vtol aircraft
US-2020017208-A1 · Jan 16, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64C25/40?
- CPC B64C25/40 is the Cooperative Patent Classification code for “the elements being rotated before touch-down.”
- How many patents are filed under CPC B64C25/40 (the elements being rotated before touch-down)?
- Our database includes 69 publications tagged with this CPC code.
- Is patent activity under CPC B64C25/40 growing?
- Publication counts under this code: 6 in 2023 vs 2 in 2024 (latest complete years).