Bearing assembly for a converter
US-12584520-B2 · Mar 24, 2026 · US
Ball or roller bearings
Ball or roller bearings · 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 | F16C31/04 |
| Official title | Ball or roller bearings |
| Display label | Ball or roller bearings |
| Total patents | 33 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 5 |
| 2019 | 4 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 6 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Bearing seat assembly and converter device
US-12523257-B2 · Jan 13, 2026 · US
Ball screw device
US-12486889-B2 · Dec 2, 2025 · US
Movement transmission device and a seat
US-2025353597-A1 · Nov 20, 2025 · US
Multi-row bearing and bearing unit
US-12454980-B2 · Oct 28, 2025 · US
Ball screw device
US-2025327511-A1 · Oct 23, 2025 · US
Guide bearing with multiple pressure measurement points, system for measuring the viscosity or reynolds number of a fluid, with a pole guided by the bearing, application to monitoring in bioproduction
US-2025224321-A1 · Jul 10, 2025 · US
Device for transmitting a movement
US-2025108921-A1 · Apr 3, 2025 · US
Bearing seat assembly and converter device
US-2024392838-A1 · Nov 28, 2024 · US
Multi-row bearing and bearing unit
US-2024183400-A1 · Jun 6, 2024 · US
Bearing assembly for a converter
US-2024068515-A1 · Feb 29, 2024 · US
Ultrasound imaging apparatus
US-11571181-B2 · Feb 7, 2023 · US
Magnetic linear actuator
US-2022399765-A1 · Dec 15, 2022 · US
Ball screw
US-11506269-B2 · Nov 22, 2022 · US
Transport system for transport of products
US-11198564-B2 · Dec 14, 2021 · US
Transport system for transport of products
US-2021139249-A1 · May 13, 2021 · US
Rolling guide apparatus
US-10955034-B2 · Mar 23, 2021 · US
Ball screw
US-2020191247-A1 · Jun 18, 2020 · US
Lubricatable ball spline device
US-10619672-B2 · Apr 14, 2020 · US
Ultrasound imaging apparatus
US-2020037988-A1 · Feb 6, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16C31/04?
- CPC F16C31/04 is the Cooperative Patent Classification code for “Ball or roller bearings.”
- How many patents are filed under CPC F16C31/04 (Ball or roller bearings)?
- Our database includes 33 publications tagged with this CPC code.
- Is patent activity under CPC F16C31/04 growing?
- Publication counts under this code: 3 in 2024 vs 6 in 2025 (latest complete years).