On-load tap changer according to the reactor switching principle
US-10147563-B2 · Dec 4, 2018 · US
Details of switching devices, not covered by groups H01H1/00 - H01H7/00
Details of switching devices, not covered by groups H01H1/00 - H01H7/00 · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01H9/00 |
| Official title | Details of switching devices, not covered by groups H01H1/00 - H01H7/00 |
| Display label | Details of switching devices, not covered by groups H01H1/00 - H01H7/00 |
| Total patents | 119 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 24 |
| 2016 | 17 |
| 2017 | 15 |
| 2018 | 14 |
| 2019 | 11 |
| 2020 | 6 |
| 2021 | 9 |
| 2022 | 9 |
| 2023 | 5 |
| 2024 | 5 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for monitoring a source changeover switch and source changeover switch implementing such a method
US-2018241245-A1 · Aug 23, 2018 · US
Communication-less fault section identification for hybrid hvdc transmission systems
US-2018120367-A1 · May 3, 2018 · US
Polyamide compositions
US-9908997-B2 · Mar 6, 2018 · US
Sensor system for switchgear assemblies
US-2017373475-A1 · Dec 28, 2017 · US
High speed closing switch
US-9842717-B2 · Dec 12, 2017 · US
Switching module for a switch, switch, method for indicating an actuation of a switch and method for controlling a device
US-9812265-B2 · Nov 7, 2017 · US
Electrical apparatus for breaking an electric current in air comprising an improved extinguishing gas filtering device
US-2017278653-A1 · Sep 28, 2017 · US
Switching arrangement for a control transformer, in particular polarity switching means
US-2017271098-A1 · Sep 21, 2017 · US
On-load tap changer
US-9762161-B2 · Sep 12, 2017 · US
Electronic Device With Automatic Mode Switching
US-2017228242-A1 · Aug 10, 2017 · US
Apparatus and method for monitoring operation of an insulated gate bipolar transistor
US-9664729-B2 · May 30, 2017 · US
Electronic device with automatic mode switching
US-9645836-B2 · May 9, 2017 · US
Request to exit two-wire control module
US-2017092029-A1 · Mar 30, 2017 · US
Electronic housing for switching devices, in particular for low-voltage switching devices
US-9607782-B2 · Mar 28, 2017 · US
Tap changer and vacuum interrupter for a tap changer of this kind
US-9607781-B2 · Mar 28, 2017 · US
Circuit breaker and method
US-2017053759-A1 · Feb 23, 2017 · US
Actuator control method and actuator control device
US-9558897-B2 · Jan 31, 2017 · US
On-load tap changer
US-9543096-B2 · Jan 10, 2017 · US
High speed closing switch
US-2016351367-A1 · Dec 1, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01H9/00?
- CPC H01H9/00 is the Cooperative Patent Classification code for “Details of switching devices, not covered by groups H01H1/00 - H01H7/00.”
- How many patents are filed under CPC H01H9/00 (Details of switching devices, not covered by groups H01H1/00 - H01H7/00)?
- Our database includes 119 publications tagged with this CPC code.
- Is patent activity under CPC H01H9/00 growing?
- Publication counts under this code: 5 in 2024 vs 4 in 2025 (latest complete years).