Graded spark gap design for internally gapped surge arrester
US-12494308-B2 · Dec 9, 2025 · US
This page is not indexed by search engines while we improve data quality.
Overvoltage arresters using spark gaps (H01T2/00 takes precedence; overvoltage protection circuits using spark gaps H02H9/06)
Overvoltage arresters using spark gaps (H01T2/00 takes precedence; overvoltage protection circuits using spark gaps H02H9/06) · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01T4/00 |
| Official title | Overvoltage arresters using spark gaps (H01T2/00 takes precedence; overvoltage protection circuits using spark gaps H02H9/06) |
| Display label | Overvoltage arresters using spark gaps (H01T2/00 takes precedence; overvoltage protection circuits using spark gaps H02H9/06) |
| Total patents | 13 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 3 |
| 2020 | 2 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Arrester assembly providing enhanced protection against short circuits and fire risk
US-2025104893-A1 · Mar 27, 2025 · US
Arrester assembly providing enhanced protection against short circuits and fire risk
US-12165792-B2 · Dec 10, 2024 · US
Graded spark gap design for internally gapped surge arrester
US-2023268103-A1 · Aug 24, 2023 · US
Arrester assembly providing enhanced protection against short circuits and fire risk
US-2022336125-A1 · Oct 20, 2022 · US
Triggered vacuum gap that controllably sustains a vacuum arc through current zeros
US-2022102944-A1 · Mar 31, 2022 · US
Separating Device For A Surge Arrester And Arrangement
US-2020373113-A1 · Nov 26, 2020 · US
Circuit closer and circuit closing system
US-10614982-B2 · Apr 7, 2020 · US
Disconnector device for a surge arrester and a protection assembly comprising a surge arrester connected to such a disconnector device
US-10109399-B2 · Oct 23, 2018 · US
Methods and apparatus for spark gap devices within integrated circuits
US-2018190556-A1 · Jul 5, 2018 · US
Disconnector device for a surge arrester and a protection assembly comprising a surge arrester connected to such a disconnector device
US-2018075953-A1 · Mar 15, 2018 · US
Circuit closer and circuit closing system
US-2017250040-A1 · Aug 31, 2017 · US
Electrode arrangement for an electrical component
US-9337646-B2 · May 10, 2016 · US