Compact switching apparatus
US-2024332920-A1 · Oct 3, 2024 · US
This page is not indexed by search engines while we improve data quality.
Means for preventing discharge to non-current-carrying parts, e.g. using corona ring
Means for preventing discharge to non-current-carrying parts, e.g. using corona 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 | H01H9/48 |
| Official title | Means for preventing discharge to non-current-carrying parts, e.g. using corona ring |
| Display label | Means for preventing discharge to non-current-carrying parts, e.g. using corona ring |
| Total patents | 17 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 4 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
A tap changer and a transformer arrangement comprising the tap changer
US-2023260695-A1 · Aug 17, 2023 · US
Fixation system that serves to ground an insulated housing
US-11322864-B2 · May 3, 2022 · US
Gas-insulated electric apparatus and manufacturing method of gas-insulated electric apparatus
US-11031765-B2 · Jun 8, 2021 · US
Circuit breakers with gas-blocking members and related methods
US-10930446-B1 · Feb 23, 2021 · US
Fixation system in use for medium or high voltage switching poles
US-2020313317-A1 · Oct 1, 2020 · US
Gas-insulated electric apparatus and manufacturing method of gas-insulated electric apparatus
US-2020091698-A1 · Mar 19, 2020 · US
Insulating switch assembly
US-10490375-B2 · Nov 26, 2019 · US
Vacuum interrupter for use in a low voltage, low current residential circuit breaker
US-10418192-B1 · Sep 17, 2019 · US
Multi-pole molded case circuit breaker with insulation barrier for rotary pin
US-10347453-B2 · Jul 9, 2019 · US
Insulating switch assembly
US-2019198273-A1 · Jun 27, 2019 · US
Multi-pole molded case circuit breaker with insulation barrier for rotary pin
US-2018061601-A1 · Mar 1, 2018 · US
Modular multiple single-pole electromagnetic switching system and method
US-9806642-B2 · Oct 31, 2017 · US
Modular multiple single-pole electromagnetic switching system and method
US-2016134210-A1 · May 12, 2016 · US
Electromagnetic switch
US-9196433-B2 · Nov 24, 2015 · US
Tap changer
US-8963670-B2 · Feb 24, 2015 · US
Electromagnetic switch
US-2015035631-A1 · Feb 5, 2015 · US