Shaft coupling assembly
US-12054203-B2 · Aug 6, 2024 · US
Couplings comprising a chain or strip surrounding two wheels arranged side by side and provided with teeth or the equivalent
Couplings comprising a chain or strip surrounding two wheels arranged side by side and provided with teeth or the equivalent · 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 | F16D3/54 |
| Official title | Couplings comprising a chain or strip surrounding two wheels arranged side by side and provided with teeth or the equivalent |
| Display label | Couplings comprising a chain or strip surrounding two wheels arranged side by side and provided with teeth or the equivalent |
| Total patents | 29 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 6 |
| 2020 | 5 |
| 2021 | 6 |
| 2022 | 2 |
| 2023 | 4 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Assist mechanism and electric power steering device
US-11814116-B2 · Nov 14, 2023 · US
Assist mechanism and electric power steering device
US-11702127-B2 · Jul 18, 2023 · US
Torque transmission joint and electric-powered power steering apparatus
US-11648978-B2 · May 16, 2023 · US
Shaft coupling assembly
US-2023045274-A1 · Feb 9, 2023 · US
Torque transmission joint and electric power steering device
US-11518429-B2 · Dec 6, 2022 · US
Shaft coupling assembly
US-11498610-B2 · Nov 15, 2022 · US
Assist mechanism and electric power steering device
US-2021331735-A1 · Oct 28, 2021 · US
Flexible Reinforced Radial Spline Coupling and Method
US-2021285502-A1 · Sep 16, 2021 · US
Torque transmission joint and electric power steering device
US-11015656-B2 · May 25, 2021 · US
Torque transmission joint and electric-powered power steering apparatus
US-2021139072-A1 · May 13, 2021 · US
Torque transmission joint and electric power steering device
US-2021129902-A1 · May 6, 2021 · US
Torque transmission joint and electric power steering device
US-10982721-B2 · Apr 20, 2021 · US
Assist mechanism and electric power steering device
US-2020369315-A1 · Nov 26, 2020 · US
Joint for torque transmission and electric power steering device
US-2020290666-A1 · Sep 17, 2020 · US
Joint for torque transmission and worm reduction gear
US-10738834-B2 · Aug 11, 2020 · US
Damping coupler of electronic power steering apparatus
US-10556616-B2 · Feb 11, 2020 · US
Shaft coupling assembly
US-2020039575-A1 · Feb 6, 2020 · US
Shaft assembly and aircraft engine with a shaft assembly
US-2019277342-A1 · Sep 12, 2019 · US
Torque transmission joint and worm reduction gear
US-10408271-B2 · Sep 10, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16D3/54?
- CPC F16D3/54 is the Cooperative Patent Classification code for “Couplings comprising a chain or strip surrounding two wheels arranged side by side and provided with teeth or the equivalent.”
- How many patents are filed under CPC F16D3/54 (Couplings comprising a chain or strip surrounding two wheels arranged side by side and provided with teeth or the equivalent)?
- Our database includes 29 publications tagged with this CPC code.
- Is patent activity under CPC F16D3/54 growing?
- Publication counts under this code: 4 in 2023 vs 1 in 2024 (latest complete years).