Constant velocity joint
US-2025060009-A1 · Feb 20, 2025 · US
the rolling members being located in sockets in one of the coupling parts
the rolling members being located in sockets in one of the coupling parts · 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 | F16D3/221 |
| Official title | the rolling members being located in sockets in one of the coupling parts |
| Display label | the rolling members being located in sockets in one of the coupling parts |
| Total patents | 41 |
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 | 8 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 4 |
| 2021 | 6 |
| 2022 | 3 |
| 2023 | 2 |
| 2024 | 4 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Constant velocity joint for vehicle
US-12163558-B2 · Dec 10, 2024 · US
Dual plunging constant velocity drive shaft
US-12066063-B2 · Aug 20, 2024 · US
Constant velocity joint for vehicle
US-11912065-B2 · Feb 27, 2024 · US
Stroking and articulating constant velocity joint assembly
US-2024060538-A1 · Feb 22, 2024 · US
Constant velocity joint for vehicle
US-2023400066-A1 · Dec 14, 2023 · US
Constant velocity joint for vehicle
US-11773912-B2 · Oct 3, 2023 · US
Dual plunging constant velocity drive shaft
US-2022154776-A1 · May 19, 2022 · US
Constant velocity joint for vehicle
US-2022049744-A1 · Feb 17, 2022 · US
Dual plunging constant velocity drive shaft
US-11248658-B2 · Feb 15, 2022 · US
Roller for a pod joint
US-11193530-B2 · Dec 7, 2021 · US
Constant velocity joint for vehicle
US-2021370716-A1 · Dec 2, 2021 · US
Connection element, and method for producing a ring for such a connection element
US-11047422-B2 · Jun 29, 2021 · US
Roller for a pod joint
US-2021172473-A1 · Jun 10, 2021 · US
High torque constant velocity joint for downhole drilling power transmission
US-10975623-B2 · Apr 13, 2021 · US
Coupling assembly
US-10941814-B2 · Mar 9, 2021 · US
Connection element, and method for producing a ring for such a connection element
US-2020300290-A1 · Sep 24, 2020 · US
Roller pinions for driving an aircraft wheel in rotation
US-10738871-B2 · Aug 11, 2020 · US
Dual plunging constant velocity drive shaft
US-2020116204-A1 · Apr 16, 2020 · US
Dual plunging constant velocity drive shaft
US-10539192-B2 · Jan 21, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16D3/221?
- CPC F16D3/221 is the Cooperative Patent Classification code for “the rolling members being located in sockets in one of the coupling parts.”
- How many patents are filed under CPC F16D3/221 (the rolling members being located in sockets in one of the coupling parts)?
- Our database includes 41 publications tagged with this CPC code.
- Is patent activity under CPC F16D3/221 growing?
- Publication counts under this code: 4 in 2024 vs 1 in 2025 (latest complete years).