Bending meshing type gear device
US-2025361905-A1 · Nov 27, 2025 · US
for multiple rows of balls
for multiple rows of balls · 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 | F16C33/40 |
| Official title | for multiple rows of balls |
| Display label | for multiple rows of balls |
| Total patents | 66 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 7 |
| 2020 | 8 |
| 2021 | 7 |
| 2022 | 12 |
| 2023 | 4 |
| 2024 | 6 |
| 2025 | 5 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Limited stroke linear guide device
US-2024369102-A1 · Nov 7, 2024 · US
Gear system
US-2024337312-A1 · Oct 10, 2024 · US
Arc-shaped segment for assembling a segmented cage, cage and bearing
US-2024200599-A1 · Jun 20, 2024 · US
Angular contact ball bearing and bearing device for vehicle wheel
US-11965551-B2 · Apr 23, 2024 · US
Bearing unit with retaining cage
US-11898603-B2 · Feb 13, 2024 · US
Planar high-density ball bearing, manufacturing method thereof and nutation reducer
US-11873862-B2 · Jan 16, 2024 · US
Planar High-Density Ball Bearing, Manufacturing Method Thereof and Nutation Reducer
US-2023340994-A1 · Oct 26, 2023 · US
Three ball pin-type coupling and steering mechanism
US-2023279906-A1 · Sep 7, 2023 · US
Multi-row rolling-element bearing
US-2023235781-A1 · Jul 27, 2023 · US
Multi-ball thrust bearing arrangement
US-11703082-B2 · Jul 18, 2023 · US
Bearing unit with retaining cage
US-2022403884-A1 · Dec 22, 2022 · US
Multi-ball thrust bearing arrangement
US-2022397153-A1 · Dec 15, 2022 · US
Angular ball bearing and wheel bearing apparatus
US-2022356907-A1 · Nov 10, 2022 · US
Pulley device for a tensioning or winding roller
US-11486474-B2 · Nov 1, 2022 · US
Steering shaft for a motor vehicle
US-11472466-B2 · Oct 18, 2022 · US
Casing friction reduction methods and tool
US-11448016-B2 · Sep 20, 2022 · US
Bearing unit provided with a retention device having optimized lubrication
US-2022260117-A1 · Aug 18, 2022 · US
Rolling bearing with guiding flange for cage
US-2022243765-A1 · Aug 4, 2022 · US
Multi-ball thrust bearing arrangement
US-11378121-B2 · Jul 5, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16C33/40?
- CPC F16C33/40 is the Cooperative Patent Classification code for “for multiple rows of balls.”
- How many patents are filed under CPC F16C33/40 (for multiple rows of balls)?
- Our database includes 66 publications tagged with this CPC code.
- Is patent activity under CPC F16C33/40 growing?
- Publication counts under this code: 6 in 2024 vs 5 in 2025 (latest complete years).