Guide device for guiding a furniture part that is moveable relative to a furniture body
US-10080435-B2 · Sep 25, 2018 · US
Ball cages
Ball cages · 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 | F16C33/38 |
| Official title | Ball cages |
| Display label | Ball cages |
| Total patents | 186 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 7 |
| 2017 | 29 |
| 2018 | 27 |
| 2019 | 31 |
| 2020 | 13 |
| 2021 | 17 |
| 2022 | 17 |
| 2023 | 8 |
| 2024 | 12 |
| 2025 | 10 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Rolling bearing for an exhaust gas turbocharger, and cage for a rolling bearing
US-10047794-B2 · Aug 14, 2018 · US
Ball bearing
US-2018223906-A1 · Aug 9, 2018 · US
Longitudinal adjuster and vehicle seat
US-2018194248-A1 · Jul 12, 2018 · US
Strain wave gearing and wave generator
US-2018187764-A1 · Jul 5, 2018 · US
Method for producing a cage of a roller bearing
US-2018178269-A1 · Jun 28, 2018 · US
Ball screw-type electro-mechanical brake
US-2018163803-A1 · Jun 14, 2018 · US
Ball bearing application for seat recliner disk mechanisms
US-9981570-B2 · May 29, 2018 · US
Rolling bearing apparatus
US-9945422-B2 · Apr 17, 2018 · US
Rolling element bearing
US-9933015-B2 · Apr 3, 2018 · US
Rolling bearing device
US-9909622-B2 · Mar 6, 2018 · US
Flexible bearing comprising spacers
US-9897144-B1 · Feb 20, 2018 · US
Ball bearing application for seat recliner disk mechanisms
US-2017361734-A1 · Dec 21, 2017 · US
Ball bearing assembly method and assembly device, and ball bearing produced using said assembly method
US-2017363148-A1 · Dec 21, 2017 · US
Rolling Bearing, Rotating Machine Element, and Solid-Film Formation Method
US-2017356499-A1 · Dec 14, 2017 · US
Seat track assembly
US-2017334316-A1 · Nov 23, 2017 · US
Electric motor and electric power steering device using same
US-2017338713-A1 · Nov 23, 2017 · US
Rolling Bearing Apparatus
US-2017328409-A1 · Nov 16, 2017 · US
Rolling Bearing Apparatus
US-2017328410-A1 · Nov 16, 2017 · US
Ball bearing application for seat recliner disk mechanisms
US-9796301-B2 · Oct 24, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16C33/38?
- CPC F16C33/38 is the Cooperative Patent Classification code for “Ball cages.”
- How many patents are filed under CPC F16C33/38 (Ball cages)?
- Our database includes 186 publications tagged with this CPC code.
- Is patent activity under CPC F16C33/38 growing?
- Publication counts under this code: 12 in 2024 vs 10 in 2025 (latest complete years).