Constant velocity joint
US-12163559-B2 · Dec 10, 2024 · US
where the grooves are composed of radii and adjoining straight lines, i.e. undercut free [UF] type joints
where the grooves are composed of radii and adjoining straight lines, i.e. undercut free [UF] type joints · 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 | F16D3/2237 |
| Official title | where the grooves are composed of radii and adjoining straight lines, i.e. undercut free [UF] type joints |
| Display label | where the grooves are composed of radii and adjoining straight lines, i.e. undercut free [UF] type joints |
| Total patents | 65 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 10 |
| 2017 | 5 |
| 2018 | 4 |
| 2019 | 6 |
| 2020 | 6 |
| 2021 | 6 |
| 2022 | 7 |
| 2023 | 5 |
| 2024 | 4 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fixed type constant velocity universal joint
US-11927226-B2 · Mar 12, 2024 · US
Constant velocity joint
US-2024044376-A1 · Feb 8, 2024 · US
Constant velocity joint
US-11815138-B2 · Nov 14, 2023 · US
Constant velocity joint
US-11796008-B2 · Oct 24, 2023 · US
Boot for constant velocity universal joint
US-11761492-B2 · Sep 19, 2023 · US
Constant-speed universal joint
US-2023184297-A1 · Jun 15, 2023 · US
Constant-velocity universal joint
US-11566671-B2 · Jan 31, 2023 · US
Constant-velocity universal joint
US-11421743-B2 · Aug 23, 2022 · US
Joint assembly with restriction feature
US-2022213932-A1 · Jul 7, 2022 · US
Plunging type constant velocity universal joint
US-11371564-B2 · Jun 28, 2022 · US
Constant velocity joint
US-2022170513-A1 · Jun 2, 2022 · US
Constant velocity joint
US-11261918-B2 · Mar 1, 2022 · US
Fixed type constant velocity universal joint
US-2022056960-A1 · Feb 24, 2022 · US
Constant velocity joint
US-11248660-B2 · Feb 15, 2022 · US
Semi-cylindrical/semi-spherical inner surface of an outer race and a ball cage for a fixed constant velocity joint
US-11149797-B2 · Oct 19, 2021 · US
Constant velocity joint
US-2021270325-A1 · Sep 2, 2021 · US
Stationary constant-velocity universal joint
US-11047425-B2 · Jun 29, 2021 · US
Constant velocity joint
US-2021140488-A1 · May 13, 2021 · US
Boot for constant velocity universal joint
US-2021123481-A1 · Apr 29, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16D3/2237?
- CPC F16D3/2237 is the Cooperative Patent Classification code for “where the grooves are composed of radii and adjoining straight lines, i.e. undercut free [UF] type joints.”
- How many patents are filed under CPC F16D3/2237 (where the grooves are composed of radii and adjoining straight lines, i.e. undercut free [UF] type joints)?
- Our database includes 65 publications tagged with this CPC code.
- Is patent activity under CPC F16D3/2237 growing?
- Publication counts under this code: 4 in 2024 vs 4 in 2025 (latest complete years).