Robust impedance controlled slip rings
US-12525760-B1 · Jan 13, 2026 · US
Connections of conductor to slip-ring
Connections of conductor to slip-ring · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01R39/34 |
| Official title | Connections of conductor to slip-ring |
| Display label | Connections of conductor to slip-ring |
| Total patents | 48 |
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 | 3 |
| 2017 | 6 |
| 2018 | 4 |
| 2019 | 6 |
| 2020 | 4 |
| 2021 | 3 |
| 2022 | 6 |
| 2023 | 4 |
| 2024 | 4 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electrode connection structure and detection device
US-12413034-B2 · Sep 9, 2025 · US
Rotor Comprising a Two-Part Bearing Seat
US-2025233466-A1 · Jul 17, 2025 · US
Electric connection for a rotor winding of an electrical generator
US-12308709-B2 · May 20, 2025 · US
Drivetrain assembly for an electric vehicle including an electrically conductive shunt washer
US-2025149841-A1 · May 8, 2025 · US
Motor, scroll compressor and processing method of motor
US-2025112516-A1 · Apr 3, 2025 · US
Computing device with rotatable keyboard
US-11927989-B2 · Mar 12, 2024 · US
Robust impedance controlled slip rings
US-11909150-B1 · Feb 20, 2024 · US
Electric connection for a rotor winding of an electrical generator
US-2024030787-A1 · Jan 25, 2024 · US
Electrode connection structure and detection device
US-2024030669-A1 · Jan 25, 2024 · US
Electrode connection structure and detection device
US-11811179-B2 · Nov 7, 2023 · US
Surgical shaft assemblies with flexible interfaces
US-2023218296-A1 · Jul 13, 2023 · US
Transmission for a motor vehicle, and electric axle drive
US-11635133-B2 · Apr 25, 2023 · US
Surgical shaft assemblies with flexible interfaces
US-11564686-B2 · Jan 31, 2023 · US
Contact ring and contact system
US-11515680-B2 · Nov 29, 2022 · US
Transmitting power and data together in a rotorcraft using a slip ring assembly
US-11417995-B2 · Aug 16, 2022 · US
Robust impedance controlled slip rings
US-11404837-B1 · Aug 2, 2022 · US
Electrode connection structure and detection device
US-2022209480-A1 · Jun 30, 2022 · US
Transmission for a Motor Vehicle, and Electric Axle Drive
US-2022107016-A1 · Apr 7, 2022 · US
Computing device with rotatable keyboard
US-2022050511-A1 · Feb 17, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01R39/34?
- CPC H01R39/34 is the Cooperative Patent Classification code for “Connections of conductor to slip-ring.”
- How many patents are filed under CPC H01R39/34 (Connections of conductor to slip-ring)?
- Our database includes 48 publications tagged with this CPC code.
- Is patent activity under CPC H01R39/34 growing?
- Publication counts under this code: 4 in 2024 vs 5 in 2025 (latest complete years).