Substrate treating apparatus and substrate treating method
US-12463086-B2 · Nov 4, 2025 · US
Contacts for co-operation with commutator or slip-ring, e.g. contact brush
Contacts for co-operation with commutator or slip-ring, e.g. contact brush · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01R39/18 |
| Official title | Contacts for co-operation with commutator or slip-ring, e.g. contact brush |
| Display label | Contacts for co-operation with commutator or slip-ring, e.g. contact brush |
| Total patents | 61 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 4 |
| 2017 | 2 |
| 2018 | 12 |
| 2019 | 8 |
| 2020 | 2 |
| 2021 | 6 |
| 2022 | 6 |
| 2023 | 7 |
| 2024 | 4 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Slip ring apparatus, yaw system, and wind turbine generator set
US-12431680-B2 · Sep 30, 2025 · US
Power transmission device for energizing a rotor winding of an electric machine, and electric machine
US-2025202323-A1 · Jun 19, 2025 · US
Electric circuit and wind turbine
US-12244185-B2 · Mar 4, 2025 · US
Externally mountable conductive assembly with circular base plate
US-2025043828-A1 · Feb 6, 2025 · US
Discharge device for discharging electrical currents and machine comprising such a discharge device
US-2024339896-A1 · Oct 10, 2024 · US
Switch and winding switching device
US-12062516-B2 · Aug 13, 2024 · US
Slip ring apparatus, yaw system, and wind turbine generator set
US-2024072503-A1 · Feb 29, 2024 · US
Motor, power assembly, and motor drive device
US-11909277-B2 · Feb 20, 2024 · US
Switch and Winding Switching Device
US-2023343523-A1 · Oct 26, 2023 · US
Electric circuit and wind turbine
US-2023231448-A1 · Jul 20, 2023 · US
Surgical shaft assemblies with flexible interfaces
US-2023218296-A1 · Jul 13, 2023 · US
Power supply connector with multiple connections for relatively moving parts of a working machine, a use of a power supply connector with multiple connections
US-11646538-B2 · May 9, 2023 · US
Substrate treating apparatus and substrate treating method
US-2023117064-A1 · Apr 20, 2023 · US
Substrate processing apparatus and rotating electrical connector for vacuum
US-11600512-B2 · Mar 7, 2023 · US
Surgical shaft assemblies with flexible interfaces
US-11564686-B2 · Jan 31, 2023 · US
Substrate Processing Apparatus and Rotating Electrical Connector for Vacuum
US-2022415692-A1 · Dec 29, 2022 · US
Slip ring for use in rotatable substrate support
US-11495932-B2 · Nov 8, 2022 · US
Electrical connector and electrical connection assembly
US-11489303-B2 · Nov 1, 2022 · US
Substrate processing apparatus and rotating electrical connector for vacuum
US-11469130-B2 · Oct 11, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01R39/18?
- CPC H01R39/18 is the Cooperative Patent Classification code for “Contacts for co-operation with commutator or slip-ring, e.g. contact brush.”
- How many patents are filed under CPC H01R39/18 (Contacts for co-operation with commutator or slip-ring, e.g. contact brush)?
- Our database includes 61 publications tagged with this CPC code.
- Is patent activity under CPC H01R39/18 growing?
- Publication counts under this code: 4 in 2024 vs 5 in 2025 (latest complete years).