Freewheel system for a bicycle hub
US-2024376942-A1 · Nov 14, 2024 · US
Mechanical Engineering
Mechanical Engineering · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F16D3/06 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 491 |
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 | 29 |
| 2016 | 33 |
| 2017 | 41 |
| 2018 | 45 |
| 2019 | 57 |
| 2020 | 58 |
| 2021 | 64 |
| 2022 | 54 |
| 2023 | 41 |
| 2024 | 37 |
| 2025 | 25 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Shaft-hub connection and brake assembly having a shaft-hub connection
US-2024280145-A1 · Aug 22, 2024 · US
Device for filtering vibrations
US-2016369866-A1 · Dec 22, 2016 · US
Steering device and method for manufacturing steering device
US-2016325774-A1 · Nov 10, 2016 · US
Method for manufacturing steering device
US-2016325795-A1 · Nov 10, 2016 · US
Elastic junction for sliding block adapter
US-9486846-B2 · Nov 8, 2016 · US
Telescoping propshaft
US-2016312821-A1 · Oct 27, 2016 · US
Steering spline telescoping shaft, and steering device
US-2016297465-A1 · Oct 13, 2016 · US
Impact energy absorbing propeller shaft
US-2016290410-A1 · Oct 6, 2016 · US
Structure for shaft, male member, and female member
US-9458871-B2 · Oct 4, 2016 · US
Homokinetic motorcycle transmission and motorcycle comprising said transmission
US-2016280329-A1 · Sep 29, 2016 · US
Method of manufacturing spline telescopic shaft
US-9452444-B2 · Sep 27, 2016 · US
Telescopic shaft and manufacturing method thereof
US-9446782-B2 · Sep 20, 2016 · US
Universal joint
US-9447824-B2 · Sep 20, 2016 · US
Vehicle drivetrain with active magnetic bearings
US-2016258506-A1 · Sep 8, 2016 · US
Method for manufacturing telescopic shaft
US-2016257850-A1 · Sep 8, 2016 · US
Centrifugal separator with lamella coupling
US-9427747-B2 · Aug 30, 2016 · US
Telescopic shaft
US-9422986-B2 · Aug 23, 2016 · US
Torque converter lockup clutch backing plate
US-2016238085-A1 · Aug 18, 2016 · US
Hand-guided Power Tool with Telescoping Section
US-2016238082-A1 · Aug 18, 2016 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16D3/06?
- CPC F16D3/06 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F16D3/06 (Mechanical Engineering)?
- Our database includes 491 publications tagged with this CPC code.
- Is patent activity under CPC F16D3/06 growing?
- Publication counts under this code: 37 in 2024 vs 25 in 2025 (latest complete years).