Contact part and relay
US-2024395488-A1 · Nov 28, 2024 · US
Means for extinguishing or preventing arc between current-carrying parts
Means for extinguishing or preventing arc between current-carrying parts · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01H9/30 |
| Official title | Means for extinguishing or preventing arc between current-carrying parts |
| Display label | Means for extinguishing or preventing arc between current-carrying parts |
| Total patents | 237 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 18 |
| 2016 | 25 |
| 2017 | 16 |
| 2018 | 20 |
| 2019 | 19 |
| 2020 | 13 |
| 2021 | 21 |
| 2022 | 20 |
| 2023 | 24 |
| 2024 | 37 |
| 2025 | 19 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Switchgear assembly
US-9837224-B2 · Dec 5, 2017 · US
Modular circuit protection systems and methods
US-2017330715-A1 · Nov 16, 2017 · US
Interlock device of withdrawable arc eliminator
US-2017263389-A1 · Sep 14, 2017 · US
Arc eliminator
US-2017263390-A1 · Sep 14, 2017 · US
Disconnecting device for galvanic direct current interruption
US-2017229256-A1 · Aug 10, 2017 · US
Low voltage switch pole
US-9715979-B2 · Jul 25, 2017 · US
Electrical circuit breaker
US-9697968-B2 · Jul 4, 2017 · US
Structure of contacts for air circuit breaker
US-2017186562-A1 · Jun 29, 2017 · US
Arc energy reduction method and apparatus for multi-phase switching devices
US-2017178847-A1 · Jun 22, 2017 · US
Method and Circuit for Detecting an Electric Arc in a Circuit, and Switching Device Using Such a Circuit
US-2017170644-A1 · Jun 15, 2017 · US
Electrical switching apparatus including alternating current electronic trip circuit with arc fault detection circuit
US-9647446-B2 · May 9, 2017 · US
Magnetic position indicator for minature circuit breaker handle
US-2017098520-A1 · Apr 6, 2017 · US
Alternating current switch contactor
US-9613767-B2 · Apr 4, 2017 · US
Electrical contactor
US-9607780-B2 · Mar 28, 2017 · US
Electrical circuit breaker
US-2017053758-A1 · Feb 23, 2017 · US
Electrical switching apparatus including alternating current electronic trip circuit with arc fault detection circuit
US-2017033549-A1 · Feb 2, 2017 · US
Electrical switching apparatus including alternating current electronic trip circuit with arc fault detection circuit and power supply
US-2016380422-A1 · Dec 29, 2016 · US
Switch device
US-9530587-B2 · Dec 27, 2016 · US
Contactor-circuit breaker device
US-9508500-B2 · Nov 29, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01H9/30?
- CPC H01H9/30 is the Cooperative Patent Classification code for “Means for extinguishing or preventing arc between current-carrying parts.”
- How many patents are filed under CPC H01H9/30 (Means for extinguishing or preventing arc between current-carrying parts)?
- Our database includes 237 publications tagged with this CPC code.
- Is patent activity under CPC H01H9/30 growing?
- Publication counts under this code: 37 in 2024 vs 19 in 2025 (latest complete years).