Test apparatus for flight actuator check device
US-2018334268-A1 · Nov 22, 2018 · US
using toothed gearing
using toothed gearing · 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 | B64C13/34 |
| Official title | using toothed gearing |
| Display label | using toothed gearing |
| Total patents | 301 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 18 |
| 2016 | 16 |
| 2017 | 12 |
| 2018 | 30 |
| 2019 | 19 |
| 2020 | 30 |
| 2021 | 30 |
| 2022 | 39 |
| 2023 | 34 |
| 2024 | 34 |
| 2025 | 33 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Rotary geared actuator
US-2018306273-A1 · Oct 25, 2018 · US
Wing for an aircraft
US-2018281927-A1 · Oct 4, 2018 · US
Wing for an aircraft
US-2018273161-A1 · Sep 27, 2018 · US
Wing flapping apparatus
US-2018244382-A1 · Aug 30, 2018 · US
Low-profile, rotating-shaft transmission device, and associated method
US-10047827-B2 · Aug 14, 2018 · US
Automatic flight control actuator systems
US-10030756-B2 · Jul 24, 2018 · US
Adaptive trailing edge actuator system and method
US-10017243-B2 · Jul 10, 2018 · US
Control system for an actuator
US-2018155010-A1 · Jun 7, 2018 · US
Differential for control surface actuators
US-2018155053-A1 · Jun 7, 2018 · US
Splined couplings
US-9989099-B2 · Jun 5, 2018 · US
Inverted compound harmonic drive
US-2018038467-A1 · Feb 8, 2018 · US
Self-locking no-back actuator
US-9863515-B2 · Jan 9, 2018 · US
Torque tube assemblies for use with aircraft high lift devices
US-2018003243-A1 · Jan 4, 2018 · US
Automatic flight control actuator systems
US-2017350491-A1 · Dec 7, 2017 · US
Method for adjusting the play in a high-lift system of an aircraft
US-9809326-B2 · Nov 7, 2017 · US
Splined couplings
US-2017276182-A1 · Sep 28, 2017 · US
Low-profile, rotating-shaft transmission device, and associated method
US-2017248194-A1 · Aug 31, 2017 · US
Torque tube assemblies for use with aircraft high lift devices
US-9739316-B2 · Aug 22, 2017 · US
Planetary gear assembly
US-2017198786-A1 · Jul 13, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64C13/34?
- CPC B64C13/34 is the Cooperative Patent Classification code for “using toothed gearing.”
- How many patents are filed under CPC B64C13/34 (using toothed gearing)?
- Our database includes 301 publications tagged with this CPC code.
- Is patent activity under CPC B64C13/34 growing?
- Publication counts under this code: 34 in 2024 vs 33 in 2025 (latest complete years).