Rubber outboard deflector ring
US-2022178403-A1 · Jun 9, 2022 · US
the groove centre-lines in each coupling part lying on a sphere
the groove centre-lines in each coupling part lying on a sphere · 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 | F16D3/224 |
| Official title | the groove centre-lines in each coupling part lying on a sphere |
| Display label | the groove centre-lines in each coupling part lying on a sphere |
| Total patents | 99 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 9 |
| 2017 | 9 |
| 2018 | 5 |
| 2019 | 12 |
| 2020 | 7 |
| 2021 | 12 |
| 2022 | 9 |
| 2023 | 8 |
| 2024 | 14 |
| 2025 | 8 |
| 2026 | 2 |
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-2022128098-A1 · Apr 28, 2022 · US
Axle assembly for driving wheel of vehicle
US-2021404519-A1 · Dec 30, 2021 · US
Forging device and forging method for outer joint member of constant-velocity universal joint
US-2021370387-A1 · Dec 2, 2021 · US
Constant velocity joint assembly integrated with wheel hub unit
US-11124020-B2 · Sep 21, 2021 · US
Direct pinion mount constant velocity joint
US-11053985-B2 · Jul 6, 2021 · US
Fixed type constant velocity universal joint
US-11053986-B2 · Jul 6, 2021 · US
Stationary constant-velocity universal joint
US-11047425-B2 · Jun 29, 2021 · US
Method for manufacturing outer ring of constant velocity joint
US-11033953-B2 · Jun 15, 2021 · US
Plunging type constant velocity universal joint for propeller shaft
US-2021172481-A1 · Jun 10, 2021 · US
Hub bearing constant velocity joint
US-2021170788-A1 · Jun 10, 2021 · US
Direct pinion mount joint assembly
US-2021140487-A1 · May 13, 2021 · US
Spherical device provided with convex splines for forming a ball-and-socket joint having a finger, and wobble pump provided with such a device
US-2021079955-A1 · Mar 18, 2021 · US
Fixed type constant velocity universal joint
US-2021033152-A1 · Feb 4, 2021 · US
Fixed constant velocity universal joint, and bearing device for wheels
US-10875357-B2 · Dec 29, 2020 · US
Fixed constant velocity universal joint
US-10837498-B2 · Nov 17, 2020 · US
Constant velocity universal joint and cage thereof
US-2020277997-A1 · Sep 3, 2020 · US
Power transmission shaft
US-2020217371-A1 · Jul 9, 2020 · US
Constant-velocity universal joint
US-2020149593-A1 · May 14, 2020 · US
Bent-axis hydraulic pump motor
US-10612530-B2 · Apr 7, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16D3/224?
- CPC F16D3/224 is the Cooperative Patent Classification code for “the groove centre-lines in each coupling part lying on a sphere.”
- How many patents are filed under CPC F16D3/224 (the groove centre-lines in each coupling part lying on a sphere)?
- Our database includes 99 publications tagged with this CPC code.
- Is patent activity under CPC F16D3/224 growing?
- Publication counts under this code: 14 in 2024 vs 8 in 2025 (latest complete years).