Rotary connector
US-2024339795-A1 · Oct 10, 2024 · US
This page is not indexed by search engines while we improve data quality.
Roller contacts; Ball contacts
Roller contacts; Ball contacts · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01R39/28 |
| Official title | Roller contacts; Ball contacts |
| Display label | Roller contacts; Ball contacts |
| Total patents | 15 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2017 | 2 |
| 2018 | 5 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 1 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Reduced friction conductive assembly for bearings
US-11421739-B2 · Aug 23, 2022 · US
Reduced friction conductive assembly for bearings
US-2021293279-A1 · Sep 23, 2021 · US
Belt structures for rotary electrical contact device
US-11031744-B1 · Jun 8, 2021 · US
Belt structures for rotary electrical contact device
US-10971876-B1 · Apr 6, 2021 · US
Driving module, restoration method and imaging device
US-10693400-B1 · Jun 23, 2020 · US
Slip ring, support mechanism, and plasma processing apparatus
US-10665434-B2 · May 26, 2020 · US
Systems and methods for implementing an electrical rotary joint in a large-diameter system using small-diameter capsule slip rings
US-10389075-B2 · Aug 20, 2019 · US
Systems and methods for implementing an electrical rotary joint in a large-diameter system using small-diameter capsule slip rings
US-2018183197-A1 · Jun 28, 2018 · US
Contact type power feeding apparatus
US-9929526-B2 · Mar 27, 2018 · US
Systems and methods for implementing an electrical rotary joint in a large-diameter system using small-diameter capsule slip rings
US-9912113-B2 · Mar 6, 2018 · US
Slip ring, support mechanism, and plasma processing apparatus
US-2018047547-A1 · Feb 15, 2018 · US
Contact type power feeding apparatus
US-2018048104-A1 · Feb 15, 2018 · US
Insertion instrument and insertion device
US-2017279237-A1 · Sep 28, 2017 · US
Systems and methods for implementing an electrical rotary joint in a large-diameter system using small-diameter capsule slip rings
US-2017237217-A1 · Aug 17, 2017 · US