Cycloidal gear and electric bicycle drive unit with cycloidal gear
US-2025083769-A1 · Mar 13, 2025 · US
relating to teeth only
relating to teeth only · 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 | F16H55/16 |
| Official title | relating to teeth only |
| Display label | relating to teeth only |
| Total patents | 54 |
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 | 4 |
| 2016 | 8 |
| 2017 | 8 |
| 2018 | 2 |
| 2019 | 6 |
| 2020 | 7 |
| 2021 | 5 |
| 2022 | 6 |
| 2023 | 2 |
| 2024 | 4 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Gear and gear damper
US-2025075787-A1 · Mar 6, 2025 · US
Cogwheel
US-12152660-B2 · Nov 26, 2024 · US
Transmission element and method for producing a transmission element
US-12055204-B2 · Aug 6, 2024 · US
Gear mechanism and gear
US-12013013-B2 · Jun 18, 2024 · US
Toothed belt drive with varying tooth pitch
US-2024102533-A1 · Mar 28, 2024 · US
In-wheel motor drive device
US-11679663-B2 · Jun 20, 2023 · US
Method for acoustically influencing toothed wheels
US-11668385-B2 · Jun 6, 2023 · US
Sprocket and drive mechanism
US-11499620-B2 · Nov 15, 2022 · US
Sprocket and drive mechanism
US-11493120-B2 · Nov 8, 2022 · US
A Cogwheel
US-2022341488-A1 · Oct 27, 2022 · US
Crank sprocket and mounting structure therefor
US-2022290585-A1 · Sep 15, 2022 · US
Gear mechanism and gear
US-2022136588-A1 · May 5, 2022 · US
Transmission element and method for producing a transmission element
US-2022042588-A1 · Feb 10, 2022 · US
Method for manufacturing a gear
US-11148187-B2 · Oct 19, 2021 · US
In-wheel motor drive device
US-2021316605-A1 · Oct 14, 2021 · US
Dual-type strain wave gearing
US-11092223-B2 · Aug 17, 2021 · US
Counterbalance gear for an engine
US-11041435-B2 · Jun 22, 2021 · US
Polymeric gear
US-10948067-B2 · Mar 16, 2021 · US
Coaxial gear mechanism with positive transmission ratio
US-10830328-B2 · Nov 10, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16H55/16?
- CPC F16H55/16 is the Cooperative Patent Classification code for “relating to teeth only.”
- How many patents are filed under CPC F16H55/16 (relating to teeth only)?
- Our database includes 54 publications tagged with this CPC code.
- Is patent activity under CPC F16H55/16 growing?
- Publication counts under this code: 4 in 2024 vs 2 in 2025 (latest complete years).