Gas-insulated high or medium voltage circuit breaker
US-11373824-B2 · Jun 28, 2022 · US
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the arc-extinguishing fluid being air or gas
the arc-extinguishing fluid being air or gas · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01H33/95 |
| Official title | the arc-extinguishing fluid being air or gas |
| Display label | the arc-extinguishing fluid being air or gas |
| Total patents | 12 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 5 |
| 2017 | 2 |
| 2018 | 1 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Gas-insulated high or medium voltage circuit breaker
US-2021375567-A1 · Dec 2, 2021 · US
Gas-insulated high or medium voltage circuit breaker
US-11062862-B2 · Jul 13, 2021 · US
Gas-insulated high or medium voltage circuit breaker
US-2020395180-A1 · Dec 17, 2020 · US
Switching chamber for a gas-insulated circuit breaker comprising an optimized thermal channel
US-10026571-B1 · Jul 17, 2018 · US
High-voltage electrical circuit breaker device with optimised automatic extinction
US-2017352509-A1 · Dec 7, 2017 · US
Arc extinguishing contact assembly for a circuit breaker assembly
US-9679719-B2 · Jun 13, 2017 · US
Circuit breaker with fluid injection
US-9412541-B2 · Aug 9, 2016 · US
Arc extinguishing contact assembly for a circuit breaker assembly
US-2016155586-A1 · Jun 2, 2016 · US
Arc extinguishing contact assembly for a circuit breaker assembly
US-9343252-B2 · May 17, 2016 · US
Circuit breaker with fluid injection
US-9312085-B2 · Apr 12, 2016 · US
Arc extinguishing contact assembly for a circuit breaker assembly
US-2016064169-A1 · Mar 3, 2016 · US